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The NVX QBUS8P is a powered 8-inch subwoofer in a ported enclosure, with a built-in 300W peak (150W RMS) amplifier. It is designed to fit under a seat in vehicles with little cargo space, and it accepts either speaker-level or RCA inputs, so it works with factory and aftermarket radios. A 50-150 Hz low-pass filter lets you tune the bass to the cabin. It suits drivers who want added low end without giving up trunk space, and it competes with other compact powered subs on install flexibility rather than raw output.
In stockSold by Sonic ElectronixReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Owners rate it highly, with 4.7 out of 5 from 52 ratings. They like the easy install and the bass it adds in tight spaces. Some note it won't shake a large cabin.
The NVX QBUS8P is an amplified under-seat subwoofer system. It pairs an 8-inch subwoofer with a built-in 300W peak amplifier in a ported enclosure. The compact design suits vehicles with limited space.
A low-pass filter keeps high notes out of the subwoofer. It is adjustable from 50 to 150 Hz to fit your system.
The system accepts either speaker wire (high-level) or RCA cable (low-level) inputs. This lets it connect to both factory and aftermarket radios.
