Features: Seventour ST-800 10 inch 800w Slim Under-Seat Active Powered Car/Truck Subwoofer Sub Featuring a personalized spider speaker protector and speaker LED ambient light ring design. Gain, bass boost, and crossover controls Low Level RCA Input High Level Inputs Adjustable Input Sensitivity Thermal Protection Circuit, Short Protection Circuit Overload Protection Circuit Green Power/Red Protect LED Specifications: Peak Power: 800 Watts RMS Power: 220 Watts Phase Switch: 0° or 180° Low Pass Filter: 50Hz - 150Hz Bass Boost: 0 - 12dB @ 45Hz Built in Subsonic Filter @ 20Hz THD total harmonic distortion: <0.4% Impedance: 4 Ohm Frequency Response: 20Hz - 500Hz Signal to Noise Ratio: >90dB Sensitivity: 90dB @ 1w / 1m Input sensitivity, Low level: 300mV Input sensitivity, High level: 0.9V Dimensions (Inches): 13.9" L x 10.2" W x 2.7" H Seventour ST-800 10 inch Ultra Slim Under Seat Active Powered Car/Truck Subwoofer with Built-In Amplifier, Enclosure made of cast aluminum for excellent heat dissipation and reliable performance. Low Pass Filter: 50Hz - 150Hz, Bass Boost: 0 - 12dB @ 45Hz, Built-in Sub-Acoustic Filter Load @ 20Hz, Total Harmonic Distortion (THD): < 0.4%, Rated Fuse: 25A, Peak Power: 800 Watts, RMS Power Handling: 220 Watts, Impedance: 4 Ohms Frequency Response 20Hz - 500Hz, Signal to Noise Ratio: >90dB , Low Level: 300mV, Input Sensitivity, High Level: 0.9V, Dimensions (inches): 13.5"(L) x 10.2"(W).Thickness: 3.1" The Car Sub supports low level RCA inputs. It is also compatible with high level inputs, adjustable input sensitivity, thermal protection circuitry, short circuit protection circuitry, overload protection circuitry, green power/red protection LED. This is a new 2024 upgraded car subwoofer audio that features a personalized spider speaker protector as well as a speaker LED ambient light ring design. When the car is started, the subwoofer lights up with blue LED lights. Make your car look more cool and dynamic.