QBSTA 900W Max (300W RMS) 11" Powered Spare Tire Subwoofer Box with Built-in Amp and Remote Bass Knob, Easy to Install in Cars

Powerful Bass Enhancement: Enjoy deep, rich bass with the QBSTA 11" Spare Tire Amplified Subwoofer System, delivering 300 watts RMS and 900 watts of peak power to elevate your audio experience. Space-Saving Design: Engineered to fit neatly into your vehicle, this system mounts conveniently to the hub of your spare tire, optimizing space while providing impressive sound quality. Versatile Compatibility: Compatible with spare tires mounted inside vehicles with removable spare tire posts, this system ensures compatibility across a wide range of vehicle makes and models. Precision Control at Your Fingertips: Adjust your sound with top-mount amplifier controls, including a variable low-pass filter (50-180 Hz), bass boost (0-12 dB at 50 Hz), subsonic filter (10-50 Hz), and phase shift (0-180°), enabling you to tailor your audio experience to perfection. Easy Installation and Convenient Operation: Featuring signal sensing for automatic turn-on and including a wired remote bass level control, installation and operation are straightforward, while the heavy-duty die-cast aluminum enclosure provides durability