SVS
SB-4000 Subwoofer

AED 7,759.50 (Inc. Tax)

7390

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A top choice for home theater and audiophile music systems, the SB-4000 subwoofer delivers massive SPLs and extreme low-frequency extension that will astonish even the most discerning listeners. A high-excursion 13.5-inch driver unleashes immense sonic energy while maintaining pinpoint control and accuracy from a 1,200 watts RMS, 4,000+ watts peak power amplifier featuring fully discrete MOSFET output and Analog Devices most advanced audio DSP. Precise tuning for the SB-4000 is enabled from a subwoofer DSP smartphone app with custom presets.

Orders ship Sunday through Friday from our offices in Dubai, UAE.

In-stock products typically ship within 48 hours and should be expected to arrive in 3-4 business days. Orders outside of the UAE should be expected to arrive in 5-7 business days.

Pre-order and backorder products will state the approximate delivery timeline beside the Add To Cart button.

If you would like to place a custom order, chat with our specialists for a guided shopping experience. Once your order has been placed, a timeline will be provided depending on your order details.

- Free delivery within the UAE
- Shipping charges will be calculated upon checkout for orders outside of the UAE (Bahrain, Oman, Kuwait, Saudi Arabia & Qatar).
- Taxes and duties are calculated according to the applicable laws of the state or country an item is shipped to and are the customer's responsibility.

For additional information on shipping and our exchange & return policy visit our help center.

Installation charges are applicable and can be paid upon delivery for our clients based in Dubai.

- Installation Charges: AED 350 Per Hour
- Speaker Cables: AED 20 Per Meter
- Trunking: AED 10 Per Meter

For clients based outside of the UAE, please contact our specialists and we will share an estimate based on your requirements.


Chest-thumping slam and low-frequency extension below the threshold of human hearing, with refined musicality – a level of subwoofer performance not seen at this price before.


The SB-4000 subwoofer’s sophisticated DSP amplifier, innovative driver, and a sealed box design master room gain and command a space with deeper bass and higher output levels than what is typically possible from a subwoofer of its size. An ideal option for reference quality bass in audiophile music or home theater systems, the SB-4000 sets all performance benchmarks for a subwoofer and leaves larger and more expensive subs trembling in its wake.

Unparalleled Low-Frequency Depth, Power and Detail
The SVS SB-4000 powered subwoofer demolishes all preconceived notions about subwoofer performance and technology by taking command of any room with deep, effortless bass and adding visceral energy to every listening experience. With trickle-down technology from the 16-Ultra Series, named top subwoofers in the world by nearly every audio publication and industry group in 2017, the SB-4000 obliterates expectations and delivers a level of unrivaled subwoofer performance only available from SVS.

High-Excursion SVS Driver – Legendary SVS Output and Control
The SB-4000 subwoofer delivers on the full potential of the Sledge STA-1200D amplifier’s power with precision and control to produce room energizing SPLs and effortless low-frequency extension with pinpoint accuracy at all drive levels.

Dual ferrite magnet motor assembly weighing nearly 40lbs generates immense magnetic force and excursion of the 13.5-inch driver to produce massive low-frequency output well below the limits of human hearing.
Edge wound voice coil with eight-layer aluminum flat wire minimizes distortion and power compression while providing excellent heat dissipation and linearity ensuring precise control.
Lightweight and rigid composite cones with premium glass fiber dustcap generates massive output with pinpoint accurate frequency response.
Proprietary injection molded gasket and long-throw parabolic surround ensure longevity and allow extreme excursion and SPLs.

Sledge Amplifier – Massive Output, Sophisticated DSP, Advanced Power Management
Rated conservatively at 1,200 watts RMS, and 4,000+ watts peak power, the SB-4000 Sledge STA-1200D amplifier uses an efficient Class D design combined with fully discrete MOSFET output and a sophisticated Analog Devices DSP engine. The result is a level of effortless power and advanced processing not available from any other powered subwoofer manufacturer.

High Current Output of Fully Discrete MOSFETs with Efficiency of Class D Amplifier
The efficiency of a Class D amplifier with the ability to move massive amounts of current through the fully discrete MOSFETs enables immense output and precise control for outstanding real-world subwoofer performance at all drive levels.

Sophisticated 50Mhz High-Resolution Analog Devices Audio DSP
The most advanced digital processor ever used in a subwoofer maintains pinpoint accuracy and pristine sound quality through advanced in-room tuning, optimized frequency response curves, powerful DSP controls, and more.

Active Power Factor Correction (PFC) & Ground Loop Isolation
Serves as a line conditioner, surge suppressor and voltage regulator letting the amplifier deal with wide voltage fluctuations and ensuring the subwoofers operate flawlessly on any household circuit no matter how unstable the incoming current. An isolated circuit creates a vanishingly low noise floor by eliminating the potential for ground loop hums from outside components resulting in absolute sonic transparency.

SB-4000 Smartphone App – Easiest Way Ever to Manage Subwoofer DSP and Control
The groundbreaking smartphone app works with Apple iOS® and Android® devices to unleash the full depth, force, and nuance of the SB-4000 powered subwoofer by controlling all DSP functions including volume, parametric EQ, low pass filter, phase, polarity, room gain, port tuning, custom presets and system settings.

Connects via Bluetooth for convenient control even when the subwoofer is out of sight.
3-band parametric EQ controller allows precise adjustments for frequency slope and Q factor down to the single Hz level with four different slopes, so users can improve performance by eliminating peaks, nulls, and other room issues.
Stores 3 custom presets for movies, music, and other listening experiences such as sports or gaming.
2-way feedback shows updates in real-time on both the app and subwoofer interface

Acoustically Inert and Rigidly Braced Sealed Box Cabinet Design
Inlaid front panel display, rounded edges, and a curved metal grille on the sealed box SB-4000 cabinet give it a refined yet commanding look that blends visually with home theaters and high-end audio systems. Its sealed cabinet design results in tighter, more musical bass and make it significantly more compact than ported box subwoofers with similar specs.

- Double thick 2-inch MDF front baffle and rigid internal bracing to support the massive drive unit and to ensure an acoustically inert environment.
- Highly reinforced internal design and acoustic insulation eliminates all coloration or resonance from the cabinet, even when the deepest low frequencies are played at reference volume.
- Protective, non-resonant steel mesh grille and custom elastomer feet for reducing noise artifacts within a room.
Unparalleled Low-Frequency Depth, Power and Detail
The SVS SB-4000 powered subwoofer demolishes all preconceived notions about subwoofer performance and technology by taking command of any room with deep, effortless bass and adding visceral energy to every listening experience. With trickle-down technology from the 16-Ultra Series, named top subwoofers in the world by nearly every audio publication and industry group in 2017, the SB-4000 obliterates expectations and delivers a level of unrivaled subwoofer performance only available from SVS.

High-excursion SVS Driver – Legendary SVS Output and Control
- The SB-4000 subwoofer delivers on the full potential of the Sledge STA-1200D amplifier’s power with precision and control to produce room energizing SPLs and effortless low-frequency extension with pinpoint accuracy at all drive levels.
- Dual ferrite magnet motor assembly weighing nearly 40lbs generates immense magnetic force and excursion of the 13.5-inch driver to produce massive low-frequency output well below the limits of human hearing.
- Edge wound voice coil with eight-layer aluminum flat wire minimizes distortion and power compression while providing excellent heat dissipation and linearity ensuring precise control.
- Lightweight and rigid composite cone with a premium glass fiber dust cap generates massive output with pinpoint accurate frequency response.
- Proprietary injection molded gasket and long-throw parabolic surround ensure longevity and allow extreme excursion and SPLs.

Sledge Amplifier – Massive Output, Sophisticated DSP, Advanced Power Management
Rated conservatively at 1,200 watts RMS, and 4,000+ watts peak power, the SB-4000 Sledge STA-1200D amplifier uses an efficient Class D design combined with fully discrete MOSFET output and a sophisticated Analog Devices DSP engine. The result is a level of effortless power and advanced processing not available from any other powered subwoofer manufacturer.

- High Current Output of Fully Discrete MOSFETs with Efficiency of Class D Amplifier
The efficiency of a Class D amplifier with the ability to move massive amounts of current through the fully discrete MOSFETs enabling immense output and precise control for outstanding real-world subwoofer performance at all drive levels.
- Sophisticated 50Mhz High-Resolution Analog Devices Audio DSP
The most advanced digital processor ever used in a subwoofer maintains pinpoint accuracy and pristine sound quality through advanced in-room tuning, optimized frequency response curves, powerful DSP controls, and more.
- Active Power Factor Correction (PFC) & Ground Loop Isolation
Serves as a line conditioner, surge suppressor and voltage regulator letting the amplifier deal with wide voltage fluctuations and ensuring the subwoofers operate flawlessly on any household circuit no matter how unstable the incoming current. An isolated circuit creates a vanishingly low noise floor by eliminating the potential for ground loop hums from outside components resulting in absolute sonic transparency.

SB-4000 Smartphone App – Easiest Way Ever to Manage Subwoofer DSP and Control
Groundbreaking smartphone app works with Apple iOS® and Android® devices to unleash the full depth, force, and nuance of the SB-4000 powered subwoofer by controlling all DSP functions including volume, parametric EQ, low pass filter, phase, polarity, room gain, port tuning, custom presets and system settings.
- Connects via Bluetooth for convenient control even when the subwoofer is out of sight.
- 3-band parametric EQ controller allows precise adjustments for frequency slope and Q factor down to the single Hz level with four different slopes, so users can improve performance by eliminating peaks, nulls, and other room issues.
- Stores 3 custom presets for movies, music, and other listening experiences such as sports or gaming.
- 2-way feedback shows updates in real-time on both the app and subwoofer interface
- Premium Black Ash and Piano Gloss Black finish options
- Protective non-resonant steel mesh grille
- Front-firing 13.5" driver
- Rear-mounted amplifier
- Screw-in rubber feet
- Robust Medium Density Fiberboard(MDF) cabinet construction
- Cabinet Dimensions (without grille): 18.3” (465mm) H X 17.8” (453mm) W X 18.6” (471.3mm) D
- Cabinet Dimensions (with grille): 18.3” (465mm) H X 17.8” (453mm) W X 20.9” (530mm) D
- Shipped Dimensions: 23.5” (598mm) H X 23.5” (598mm) W X 28” (712mm) D
- Weight (unboxed): 102.3 lbs. (46.4 kg)
- Shipped Weight: 117.8lbs (53.45kg)

Driver Specs:
- High-performance SVS 4000 Series Subwoofer Driver - optimized for sealed cabinet design.
- Proprietary 13.5” Driver with finely tuned Overhung Motor Configuration
- 43lb (19.5kg) pound Woofer with 37.7lb (17.1kg) pounds for the motor
- Overhung 52mm Xmax, 76.2mm Xmech precision aligned excursion
- 8-layer aluminum flat wire edge wound 3” voice coil for ultra-low distortion, efficient heat dissipation, exceptional linearity, and nearly zero power compression.
- Two massive, dedicated toroidal ferrite magnets generate unparalleled levels of magnetic force to drive the highest levels of excursion, SPL, and start/go power for the deepest and most authoritative bass possible.
- All-new High-density FEA-optimized cast aluminum basket provides unequaled levels of rigidity, tensile strength, and energy transference available from a subwoofer.
- Dual 24-strand copper and Nomex composite high-temperature lead woven through the suspension provide a pristine electrical connection from the amplifier to the voice coil.
- Premium glass fiber laminated dust cap and reinforced and vented paper-composite cone sub-structure ensure a light, ridged, and neutral radiating surface.
- Precision machined motor elements and narrow tolerance suspension parts produce unmatched linearity at full excursion for exceptionally tight and fast output, even at reference volumes.
- Extreme oversized low carbon vented steel U-yoke and top plate provide superior cooling and improved magnetics for maximum performance and efficiency.
- Copper ring shorting sleeve reduces gap induction and distortion, enhances thermal conductivity
- Nickle-plated high-tension spring terminals
- Proprietary injection molded gasket and parabolic SBR extreme-excursion surround maintains ideal piston-like motion for pinpoint accuracy and control
- Low carbon 1008 steel components with black electrophoresis plating

Amplifier Specs:
- Massively powerful Sledge 1,200-watt continuous Class D design with 4,000+ watts of Peak Power.
- Unmatched intelligence from user adjustable low pass, phase, polarity, and room gain compensation with three parametric EQs and port tuning (Ported models only) for absolute best alignment with speakers and optimized performance in any room.
- Groundbreaking SVS Bluetooth DSP control app for iOS and Android devices with three user presets allow custom tuning for every room and system.
- High-efficiency cool-running Class D switching topology with massive 32 Amp 600 Volt MOSFET’s result in lower EMI and highest efficiency while providing effortless power to produce SPLs and low-frequency output with pristine clarity well beyond reference listening levels.
- High-resolution 50Mhz Analog Devices Audio DSP with double precision 56bit filtering is the most advanced subwoofer processor available for perfect audio reproduction.
-100v-240v full range input active Power Factor Correction (PFC) pre-regulates mains to solid 360V DC regardless of mains voltage or quality so the sound quality never falters no matter what’s coming out of the wall
- Active PFC lowers average current and smooths mains input current allowing for 1200W output from a standard 15A mains circuit.
- XLR and RCA stereo input/output with ultra-wide input voltage for consumer and professional audio applications.
- A convenient front-mounted display featuring new Intelligent Feature Control (IFC) with bright blue dimmable 8-digit LED front display.
- Custom EQ and DSP limiter settings tuned specifically for the SB-4000 sealed cabinet design.
- Auto/On and 3-30V AC/DC trigger for Maximum Installation Convenience.
- Input impedance 22kohm (unbalanced RCA)/ 22kohm (balanced XLR).
- Green 0.5-watt low standby power consumption
- RoHS compliant, lead-free construction, world-wide safety certifications

SVS App Specs:
- The most powerful and flexible Bluetooth controlled subwoofer DSP app works with both iOS and Android operating systems.
- Easiest and most convenient way to adjust crossover frequencies, parametric EQ, polarity, room gain, and all other bass management functions.
- Three convenient custom presets allow for perfect tuning in any room or system, from your favorite seat.
- Single tap adjustment for controlling variable port tuning with standard extended and sealed modes.
- Unique bidirectional feedback shows adjustments in real-time on both app and subwoofer interface.
- The easy-to-follow tutorial provides clear guidance for all functions.

Chest-thumping slam and low-frequency extension below the threshold of human hearing, with refined musicality – a level of subwoofer performance not seen at this price before.


The SB-4000 subwoofer’s sophisticated DSP amplifier, innovative driver, and a sealed box design master room gain and command a space with deeper bass and higher output levels than what is typically possible from a subwoofer of its size. An ideal option for reference quality bass in audiophile music or home theater systems, the SB-4000 sets all performance benchmarks for a subwoofer and leaves larger and more expensive subs trembling in its wake.

Unparalleled Low-Frequency Depth, Power and Detail
The SVS SB-4000 powered subwoofer demolishes all preconceived notions about subwoofer performance and technology by taking command of any room with deep, effortless bass and adding visceral energy to every listening experience. With trickle-down technology from the 16-Ultra Series, named top subwoofers in the world by nearly every audio publication and industry group in 2017, the SB-4000 obliterates expectations and delivers a level of unrivaled subwoofer performance only available from SVS.

High-Excursion SVS Driver – Legendary SVS Output and Control
The SB-4000 subwoofer delivers on the full potential of the Sledge STA-1200D amplifier’s power with precision and control to produce room energizing SPLs and effortless low-frequency extension with pinpoint accuracy at all drive levels.

Dual ferrite magnet motor assembly weighing nearly 40lbs generates immense magnetic force and excursion of the 13.5-inch driver to produce massive low-frequency output well below the limits of human hearing.
Edge wound voice coil with eight-layer aluminum flat wire minimizes distortion and power compression while providing excellent heat dissipation and linearity ensuring precise control.
Lightweight and rigid composite cones with premium glass fiber dustcap generates massive output with pinpoint accurate frequency response.
Proprietary injection molded gasket and long-throw parabolic surround ensure longevity and allow extreme excursion and SPLs.

Sledge Amplifier – Massive Output, Sophisticated DSP, Advanced Power Management
Rated conservatively at 1,200 watts RMS, and 4,000+ watts peak power, the SB-4000 Sledge STA-1200D amplifier uses an efficient Class D design combined with fully discrete MOSFET output and a sophisticated Analog Devices DSP engine. The result is a level of effortless power and advanced processing not available from any other powered subwoofer manufacturer.

High Current Output of Fully Discrete MOSFETs with Efficiency of Class D Amplifier
The efficiency of a Class D amplifier with the ability to move massive amounts of current through the fully discrete MOSFETs enables immense output and precise control for outstanding real-world subwoofer performance at all drive levels.

Sophisticated 50Mhz High-Resolution Analog Devices Audio DSP
The most advanced digital processor ever used in a subwoofer maintains pinpoint accuracy and pristine sound quality through advanced in-room tuning, optimized frequency response curves, powerful DSP controls, and more.

Active Power Factor Correction (PFC) & Ground Loop Isolation
Serves as a line conditioner, surge suppressor and voltage regulator letting the amplifier deal with wide voltage fluctuations and ensuring the subwoofers operate flawlessly on any household circuit no matter how unstable the incoming current. An isolated circuit creates a vanishingly low noise floor by eliminating the potential for ground loop hums from outside components resulting in absolute sonic transparency.

SB-4000 Smartphone App – Easiest Way Ever to Manage Subwoofer DSP and Control
The groundbreaking smartphone app works with Apple iOS® and Android® devices to unleash the full depth, force, and nuance of the SB-4000 powered subwoofer by controlling all DSP functions including volume, parametric EQ, low pass filter, phase, polarity, room gain, port tuning, custom presets and system settings.

Connects via Bluetooth for convenient control even when the subwoofer is out of sight.
3-band parametric EQ controller allows precise adjustments for frequency slope and Q factor down to the single Hz level with four different slopes, so users can improve performance by eliminating peaks, nulls, and other room issues.
Stores 3 custom presets for movies, music, and other listening experiences such as sports or gaming.
2-way feedback shows updates in real-time on both the app and subwoofer interface

Acoustically Inert and Rigidly Braced Sealed Box Cabinet Design
Inlaid front panel display, rounded edges, and a curved metal grille on the sealed box SB-4000 cabinet give it a refined yet commanding look that blends visually with home theaters and high-end audio systems. Its sealed cabinet design results in tighter, more musical bass and make it significantly more compact than ported box subwoofers with similar specs.

- Double thick 2-inch MDF front baffle and rigid internal bracing to support the massive drive unit and to ensure an acoustically inert environment.
- Highly reinforced internal design and acoustic insulation eliminates all coloration or resonance from the cabinet, even when the deepest low frequencies are played at reference volume.
- Protective, non-resonant steel mesh grille and custom elastomer feet for reducing noise artifacts within a room.
Read more

Unparalleled Low-Frequency Depth, Power and Detail
The SVS SB-4000 powered subwoofer demolishes all preconceived notions about subwoofer performance and technology by taking command of any room with deep, effortless bass and adding visceral energy to every listening experience. With trickle-down technology from the 16-Ultra Series, named top subwoofers in the world by nearly every audio publication and industry group in 2017, the SB-4000 obliterates expectations and delivers a level of unrivaled subwoofer performance only available from SVS.

High-excursion SVS Driver – Legendary SVS Output and Control
- The SB-4000 subwoofer delivers on the full potential of the Sledge STA-1200D amplifier’s power with precision and control to produce room energizing SPLs and effortless low-frequency extension with pinpoint accuracy at all drive levels.
- Dual ferrite magnet motor assembly weighing nearly 40lbs generates immense magnetic force and excursion of the 13.5-inch driver to produce massive low-frequency output well below the limits of human hearing.
- Edge wound voice coil with eight-layer aluminum flat wire minimizes distortion and power compression while providing excellent heat dissipation and linearity ensuring precise control.
- Lightweight and rigid composite cone with a premium glass fiber dust cap generates massive output with pinpoint accurate frequency response.
- Proprietary injection molded gasket and long-throw parabolic surround ensure longevity and allow extreme excursion and SPLs.

Sledge Amplifier – Massive Output, Sophisticated DSP, Advanced Power Management
Rated conservatively at 1,200 watts RMS, and 4,000+ watts peak power, the SB-4000 Sledge STA-1200D amplifier uses an efficient Class D design combined with fully discrete MOSFET output and a sophisticated Analog Devices DSP engine. The result is a level of effortless power and advanced processing not available from any other powered subwoofer manufacturer.

- High Current Output of Fully Discrete MOSFETs with Efficiency of Class D Amplifier
The efficiency of a Class D amplifier with the ability to move massive amounts of current through the fully discrete MOSFETs enabling immense output and precise control for outstanding real-world subwoofer performance at all drive levels.
- Sophisticated 50Mhz High-Resolution Analog Devices Audio DSP
The most advanced digital processor ever used in a subwoofer maintains pinpoint accuracy and pristine sound quality through advanced in-room tuning, optimized frequency response curves, powerful DSP controls, and more.
- Active Power Factor Correction (PFC) & Ground Loop Isolation
Serves as a line conditioner, surge suppressor and voltage regulator letting the amplifier deal with wide voltage fluctuations and ensuring the subwoofers operate flawlessly on any household circuit no matter how unstable the incoming current. An isolated circuit creates a vanishingly low noise floor by eliminating the potential for ground loop hums from outside components resulting in absolute sonic transparency.

SB-4000 Smartphone App – Easiest Way Ever to Manage Subwoofer DSP and Control
Groundbreaking smartphone app works with Apple iOS® and Android® devices to unleash the full depth, force, and nuance of the SB-4000 powered subwoofer by controlling all DSP functions including volume, parametric EQ, low pass filter, phase, polarity, room gain, port tuning, custom presets and system settings.
- Connects via Bluetooth for convenient control even when the subwoofer is out of sight.
- 3-band parametric EQ controller allows precise adjustments for frequency slope and Q factor down to the single Hz level with four different slopes, so users can improve performance by eliminating peaks, nulls, and other room issues.
- Stores 3 custom presets for movies, music, and other listening experiences such as sports or gaming.
- 2-way feedback shows updates in real-time on both the app and subwoofer interface

- Premium Black Ash and Piano Gloss Black finish options
- Protective non-resonant steel mesh grille
- Front-firing 13.5" driver
- Rear-mounted amplifier
- Screw-in rubber feet
- Robust Medium Density Fiberboard(MDF) cabinet construction
- Cabinet Dimensions (without grille): 18.3” (465mm) H X 17.8” (453mm) W X 18.6” (471.3mm) D
- Cabinet Dimensions (with grille): 18.3” (465mm) H X 17.8” (453mm) W X 20.9” (530mm) D
- Shipped Dimensions: 23.5” (598mm) H X 23.5” (598mm) W X 28” (712mm) D
- Weight (unboxed): 102.3 lbs. (46.4 kg)
- Shipped Weight: 117.8lbs (53.45kg)

Driver Specs:
- High-performance SVS 4000 Series Subwoofer Driver - optimized for sealed cabinet design.
- Proprietary 13.5” Driver with finely tuned Overhung Motor Configuration
- 43lb (19.5kg) pound Woofer with 37.7lb (17.1kg) pounds for the motor
- Overhung 52mm Xmax, 76.2mm Xmech precision aligned excursion
- 8-layer aluminum flat wire edge wound 3” voice coil for ultra-low distortion, efficient heat dissipation, exceptional linearity, and nearly zero power compression.
- Two massive, dedicated toroidal ferrite magnets generate unparalleled levels of magnetic force to drive the highest levels of excursion, SPL, and start/go power for the deepest and most authoritative bass possible.
- All-new High-density FEA-optimized cast aluminum basket provides unequaled levels of rigidity, tensile strength, and energy transference available from a subwoofer.
- Dual 24-strand copper and Nomex composite high-temperature lead woven through the suspension provide a pristine electrical connection from the amplifier to the voice coil.
- Premium glass fiber laminated dust cap and reinforced and vented paper-composite cone sub-structure ensure a light, ridged, and neutral radiating surface.
- Precision machined motor elements and narrow tolerance suspension parts produce unmatched linearity at full excursion for exceptionally tight and fast output, even at reference volumes.
- Extreme oversized low carbon vented steel U-yoke and top plate provide superior cooling and improved magnetics for maximum performance and efficiency.
- Copper ring shorting sleeve reduces gap induction and distortion, enhances thermal conductivity
- Nickle-plated high-tension spring terminals
- Proprietary injection molded gasket and parabolic SBR extreme-excursion surround maintains ideal piston-like motion for pinpoint accuracy and control
- Low carbon 1008 steel components with black electrophoresis plating

Amplifier Specs:
- Massively powerful Sledge 1,200-watt continuous Class D design with 4,000+ watts of Peak Power.
- Unmatched intelligence from user adjustable low pass, phase, polarity, and room gain compensation with three parametric EQs and port tuning (Ported models only) for absolute best alignment with speakers and optimized performance in any room.
- Groundbreaking SVS Bluetooth DSP control app for iOS and Android devices with three user presets allow custom tuning for every room and system.
- High-efficiency cool-running Class D switching topology with massive 32 Amp 600 Volt MOSFET’s result in lower EMI and highest efficiency while providing effortless power to produce SPLs and low-frequency output with pristine clarity well beyond reference listening levels.
- High-resolution 50Mhz Analog Devices Audio DSP with double precision 56bit filtering is the most advanced subwoofer processor available for perfect audio reproduction.
-100v-240v full range input active Power Factor Correction (PFC) pre-regulates mains to solid 360V DC regardless of mains voltage or quality so the sound quality never falters no matter what’s coming out of the wall
- Active PFC lowers average current and smooths mains input current allowing for 1200W output from a standard 15A mains circuit.
- XLR and RCA stereo input/output with ultra-wide input voltage for consumer and professional audio applications.
- A convenient front-mounted display featuring new Intelligent Feature Control (IFC) with bright blue dimmable 8-digit LED front display.
- Custom EQ and DSP limiter settings tuned specifically for the SB-4000 sealed cabinet design.
- Auto/On and 3-30V AC/DC trigger for Maximum Installation Convenience.
- Input impedance 22kohm (unbalanced RCA)/ 22kohm (balanced XLR).
- Green 0.5-watt low standby power consumption
- RoHS compliant, lead-free construction, world-wide safety certifications

SVS App Specs:
- The most powerful and flexible Bluetooth controlled subwoofer DSP app works with both iOS and Android operating systems.
- Easiest and most convenient way to adjust crossover frequencies, parametric EQ, polarity, room gain, and all other bass management functions.
- Three convenient custom presets allow for perfect tuning in any room or system, from your favorite seat.
- Single tap adjustment for controlling variable port tuning with standard extended and sealed modes.
- Unique bidirectional feedback shows adjustments in real-time on both app and subwoofer interface.
- The easy-to-follow tutorial provides clear guidance for all functions.

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