Feature: 1. Bass Enhancement: This car subwoofer is designed to fit snugly under your car seat, saving valuable space while enhancing your car's sound system. Enjoy deep, powerful bass that elevates your music experience and provides immersive sound quality during your travels. 2. Heat Dissipation Housing: The 8 inch slim active car/truck subwoofer built in amplifier. Its casing is made of aluminum alloy, enhancing heat dissipation, while the sealed enclosure reduces resonance, increases stability, and eliminates noise. This ensures that the subwoofer stays cool even when placed under your car or truck seat. 3. Easy Installation: With its hidden wiring and minimal space usage, underseat subwoofer can be installed in nearly 99% of vehicle models without causing damage, and it is easy to set up. 4. Multifunction: This car subwoofer supports both high and low level inputs, making it compatible with various car sound systems and head unit devices. It features automatic turn on technology, adjustable input sensitivity, soft delay remote turn on, thermal protection circuit, short circuit protection circuit, overload protection circuit, and green power/red protection LED indicators. 5. Remote Control: The subwoofer comes with a remote control (with gain, bass boost, and crossover control) that allows you to adjust the bass level without changing the radio volume, ensuring professional bass integration at any volume level. The remote can be easily controlled while driving. 6. HiFi Quality Truck Subwoofer: With a peak power of 800W, RMS power handling of 150W, an impedance of 2.6 ohms, low pass filter of 50Hz - 150Hz, bass boost of 0 - 12dB, signal to noise ratio (SNR) greater than 90dB, total harmonic distortion (THD) less than 0.4%, and 15A fuse. Specification: Item Type: Car Underseat Subwoofer Material: Aluminium alloy Speaker Size: 8 inches Voltage: 12V Rated Power: 150W Peak Power: 800W Impedance: 2.6 ohms Low Pass Filter: 50Hz-150Hz Frequency Response: 20Hz-150Hz Bass Boost: 0-12dB Signal to Noise Ratio: >90dB THD Total Harmonic Distortion: