SVS PB-4000 Subwoofer

The PB-4000 features three front-firing ports that can be plugged to change the subwoofer's tuning frequency. By using the included foam port plugs, you can switch between different modes to prioritize either maximum output or deeper, more precise low-frequency extension depending on your room and listening preferences.

No, the subwoofer will function perfectly without the app. However, the SVS app is highly recommended as it provides convenient access to advanced DSP settings, parametric EQ, and volume control from your listening position, which is much easier than adjusting physical knobs on the back of the unit.

The PB-4000 is a substantial piece of equipment measuring 23.4 inches high, 20.5 inches wide, and 27.7 inches deep. Given its weight of over 153 pounds and its ported design, you should ensure you have a sturdy, dedicated floor space with enough clearance for the front-firing ports to breathe.

Active Power Factor Correction helps the amplifier maintain a steady, clean power supply even when the electrical grid fluctuates. This ensures the 1200-watt RMS amplifier can deliver consistent, high-impact performance without distortion, even during the most demanding movie scenes or musical passages.

Absolutely. While the PB-4000 is famous for its seismic home theater performance, its rigid cabinet construction and precise DSP allow it to deliver tight, accurate bass that integrates well with high-end music systems. You can use the app to save custom EQ presets, allowing you to quickly switch between a 'movie' profile and a 'music' profile.

Yes, the 5-year unconditional warranty covers both the driver and the internal Sledge STA-1200D amplifier. It provides comprehensive protection against manufacturing defects, ensuring your investment is supported for years to come.