SVS SB-4000 Subwoofer



  • Unparalleled Low-Frequency Depth, Power and Detail
  • High-Excursion SVS Driver ? Legendary SVS Output and Control
  • Sledge Amplifier ? Massive Output, Sophisticated DSP, Advanced Power Management
  • High Current Output of Fully Discrete MOSFETs with Efficiency of Class D Amplifier
  • Sophisticated 50Mhz High-Resolution Analog Devices Audio DSP
  • Active Power Factor Correction (PFC) & Ground Loop Isolation
  • SB-4000 Smartphone App ? Easiest Way Ever to Manage Subwoofer DSP and Control
  • Acoustically Inert and Rigidly Braced Sealed Box Cabinet Design


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.

Weight 46403 g
Dimensions 712 × 598 × 598 mm

Frequency Response / Acoustic Data 19-310Hz ± 3 dB
2-meter ground plane away from reflective structures (quasi-anechoic)
Subwoofer Front-firing 13.5″ driver
Rear-mounted amplifier
Driver High-performance SVS 4000 Series Subwoofer Driver
Proprietary 13.5” Driver
43lb (19.5kg) pound Woofer with 37.7lb (17.1kg) pounds for the motor
Amplifier Massively powerful Sledge 1,200-watt continuous Class D design with 4,000+ watts of Peak Power
Auto/On and 3-30V AC/DC trigger for Maximum Installation Convenience
Green 0.5-watt low standby power consumption
SVS App The most powerful and flexible Bluetooth controlled subwoofer DSP app
Easiest and most convenient way to adjust crossover frequencies, parametric EQ, polarity, room gain and all other bass management functions
Three convenient custom presets
Accessories Protective non-resonant steel mesh grill
IR remote control
Elastomer feet
Extra heavy-duty, high current 6′ power cord
SB-4000 Subwoofer Manual


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