Space-saving with improved durability: The all-in-one design of our subwoofer can be seamlessly integrated into your setup and saves space while maximising the sound effect. The AI PT alloy voice cone improves sound quality, while the fully covered mesh grid provides protection. Benefit from heat, overload and short circuit protection that ensures consistent, reliable performance and extends the life of the subwoofer. Wired remote control: thanks to the included wired remote control, you can easily adjust the input gain without having to leave your seat. Achieve seamless integration into your vehicle's system and ensure harmony between all speakers. With the 0° to 180° adjustable phase control, you can sync deep tones with other speakers, unleashing thunderous bass that echoes throughout the room. High and low level inputs: Whether you have an OEM or aftermarket main unit, our subwoofer is here for you. Choose between high and low level inputs for a seamless connection. If your main unit has RCA outputs, opt for low-level inputs for optimal sound quality. Alternatively, you can use high-level input ports if your main unit does not have RCA outputs. ?Customizable Sound with Variable Low Pass Filter and Bass Amplify?Take control of your audio experience with our subwoofer's adjustable low-pass filter (50Hz - 150Hz) and variable bass gain (0-12dB) Adjust your sound to your preferences and create the perfect blend of rich bass that suits you. ?High-performance deep subwoofer?: Experience the ultimate bass boost with our 9*6 inch compact subwoofer with reinforced underseat. It delivers robust 150 watts RMS power and an impressive 600 watts peak power. Feel the music come to life as this subwoofer's frequency response from 20Hz to 150Hz produces deep, resonant bass tones. They enjoy crystal clear sound with a signal-to-noise ratio of >90 dB, ensuring distortion-free audio.