SB4000 vs SB3000
The SB3000's low-frequency extension is 18 Hz against the SB4000's 19 Hz, its woofer 13" against 13.5", and its high-frequency extension 270 Hz against 310 Hz. Both share drivers (1).
Both turn up in the same documented systems.
AI-generated product photo — not official manufacturer imagery.
Estimated price (community-sourced)
Around — community and catalog average, updates slowly
The SVS SB-4000 is a sealed subwoofer featuring a proprietary 13.5" driver with overhung motor configuration, delivering 52mm Xmax and 76.2mm Xmech excursion. Its Sledge STA-1200D amplifier provides 1200W RMS (4000+W peak) power, achieving a frequency response of 19-310Hz ±3dB. The subwoofer's 43lb driver assembly and precision engineering ensure exceptional low-frequency control and output up to 126.8dB @ 32Hz.
Driver and acoustic performance characteristics
Driver configuration and enclosure design
Size, weight, and appearance
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions
Components that show up alongside the SB4000 in real systems. A verdict means the pair has been checked for compatibility and headroom — open it to see how the two get along.
The closest alternatives on specs, description and the systems they turn up in, with the specs they share set side by side.
The SB3000's low-frequency extension is 18 Hz against the SB4000's 19 Hz, its woofer 13" against 13.5", and its high-frequency extension 270 Hz against 310 Hz. Both share drivers (1).
Both turn up in the same documented systems.
The SB16 Ultra's low-frequency extension is 16 Hz against the SB4000's 19 Hz, its woofer 16" against 13.5", and its high-frequency extension 460 Hz against 310 Hz. Both share drivers (1).
Both turn up in the same documented systems.
The SB2000 Pro's woofer is 12" against the SB4000's 13.5" and its high-frequency extension 240 Hz against 310 Hz. Both share low-frequency extension (19 Hz) and drivers (1).
Both turn up in the same documented systems.
The Performa B15's sensitivity is 126 dB against the SB4000's 126.8 dB, its woofer 15" against 13.5", its low-frequency extension 30 Hz against 19 Hz, and its high-frequency extension 18 kHz against 310 Hz.
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