AINAVI 10 inch 800w Slim Under Seat Active Powered Car/Truck Subwoofer Sub with Built-in Amplifier Slim Car Subwoofer Installation Kit: AINAVI Premium Subwoofer totaling 800 watts peak powerHigh to Low Level Input AdaptorComplete Amplifier Wiring KitDash Mount Bass RemoteThis portable 10 inch car subwoofer amp combo can be easily installed under the seat or in the trunk Colorful Led Light Car Subwoofer, Dynamic Sound, Every Moment, Worthy of your Possession Features: AINAVI CX-800 Single 10” Bass Enclosure Subwoofer Built-in Amplifier800 Watts Peak Power / 200 Watts RMSHigh Speed MosFET Power Supply with 50 Volt RailRCA Line InputHigh Level Speaker Line InputInjection Molded, Talc Filled, Brushed Polypropylene ConeHigh Excursion Butyl Rubber Surround3-D Molded Dust CapFrequency Response: 35Hz - 500HzSPL: 98dB @ 1w/1m60oz Magnet Motor Structure WeightPower & Diagnostic LED IndicatorsLED ambient lighting, controled via remote/smartphone. Premium Subwoofer Performance, more shocking and dynamic music in the car Large 100MM magnetic coil provides powerful bass drive. High-density fine-iron cone frame, providing high hardness and shock resistance, making the low-frequency more stable This is an active subwoofer with a built-in amplifier that delivers big power. The high power is not only to increase the volume of the speakers, but also to provide a more controlled low frequency. Supports to aftermarket head unit which has RCA audio output. RCA FR - Audio right output (red) ，RCA FL - Audio left output (white) To factory head unit, this subwoofer require a professional installation because wires must be modified. Low-pass filters are generally adjusted continuously or in segments from about 50 Hz to 150 Hz. When you adjust to the 70 Hz setting, the low-frequency level signal will show up below 70 Hz on the subwoofer. The wired remote control is in the box. You could easily control the subwoofer volume for customized sound. Variable Bass Boost allows you to adjust the bass within the Boost range the way you like. When the subwoofer overheats, an internal protection mechanism is triggered to automatically turn off the power to prevent further damage. In this case, the power light will usually go off or turn red to indicate that the subwoofer is in protection mode, so it is a normal reaction for the power light not to come on after the subwoofer has been overheated and protected. When the low frequency from the subwoofer is mixed with the low frequency from other speakers, if the two are in phase or close to each other, the total low frequency volume is the sum of the two. Conversely, if the two are in opposite or close to opposite phases, the total low-frequency magnitude will be subtracted from each other. This slim powered car subwoofer supports high / low level input with wired volum remoter Please don't input the high and low level at the same time! This car amplifier subwoofer supports High + Low-Level Inputs and with a wired bass volume remote control (bass boost, gain, and crossover controls), so tuning is more convenient. Aluminum alloy molded body, sealed box, reducing resonance and improving stability, noise canceling. Excellent heat dissipation and reliable performance. It is compatible with a variety of car stereo audio systems and car head unit equipment. If you have any questions about the 10" Slim Car Sub installation, you can ask for help as below steps. Step 1: Click "HomeCar"Step 2: Click "Ask question"Step 3: Please send us pictures or videos of the technical or installation questions you metThen we will get back to you soon.