(03) 9230 2000
(03) 9230 2000
The PB-4000 subwoofer thrills action movie fans and audiophiles with staggering output and subterranean deep bass extension down to 13Hz with an amazing degree of subtlety and finesse. A high-excursion 13.5-inch driver and 1,200 watts RMS, 4,000+ watts peak power amplifier with Analog Devices most advanced audio DSP enables variable port tuning and unlocks a smartphone app with advanced DSP and custom presets for precise and convenient tuning.
Thunderous low frequency output and extreme deep bass extension, with accuracy and control, the PB-4000 is a benchmark setting subwoofer on every level with unheard-of performance and features for even double the price. The sophisticated DSP amplifier creates three port tuning modes, each with individual response curves to achieve the most accurate in-room frequency response possible. With the PB-4000, it’s like having three subwoofers in one. Effortlessly powerful with bass that extends far below the threshold of human hearing, the PB-4000 creates a revelatory experience with every movie and music listening session.
Jaw-Dropping Bass Extension and Output with Pinpoint Control and Accuracy
The SVS PB-4000 combines seismic power and fathomless low frequency extension you can feel with refinement and musicality that suspends your sense of disbelief. 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 PB-4000 crushes expectations and delivers a level of unrivaled subwoofer performance only available from SVS.
High-Excursion SVS Driver – Legendary SVS Output and Control
The PB-4000 subwoofer driver delivers on the full potential of the Sledge STA-1200D amplifier’s immense power with precision and control to produce room energising SPLs and effortless low frequency extension with pinpoint accuracy at all drive levels
Sledge Amplifier – Massive Output, Sophisticated DSP, Advanced Power Management
Rated conservatively at 1,200 watts RMS, and 4,000+ watts peak power, the PB-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
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
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.
Variable Port Tuning Modes
Foam port plugs come standard with the PB-4000 and allow for variable tuning. Each response curve for the three port tuning modes; standard, extended and sealed, is fully configured to the respective mode to achieve balanced and accurate low frequency response with all tuning preferences.
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.

If you would like to add SVS foam port plugs, please leave a note on checkout.
Black Ash, Gloss Black
1200 Watts
Class D
13.5″
763
Ported
16 – 200 Hz +/- 3 dB
595
SVS PB4000 Ultra
Yes
Subwoofer
520
{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}