1200W Active Underseat Car Bass Box Audio Subwoofer Sub Speaker Amplifier. Powerful bass experience: this 10-inch underseat subwoofer delivers a stunning bass experience with an 1200W peak power output, built-in amplifier, and cast aluminum enclosure for excellent heat dissipation and reliable performance. Premium material: the underseat car subwoofer is crafted from quality material and finished with a baking paint process. It offers strong wear-resistance, shock resistance, impact resistance, compression resistance, and rust prevention, ensuring a long service life and exceptional durability. Modern appearance: the classic black color and smooth lines give this product a minimalist style, adding a sophisticated and fashionable atmosphere to your car space. It’s designed to enhance the aesthetic appeal of your vehicle while providing powerful audio performance. Built-in amplifier: pulse width modulated design simplifies power supplies. It controls the output voltage and current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry. It’s efficient & reliable. Strong compatibility: this subwoofer supports high and low-level inputs, provides flexible connection options, and is compatible with various car stereo systems and host devices. It has a slim body and can be easily installed under most car seats and backrests. Product name: Car Subwoofer. Max output power: 1200W. High level input sensitivity: 0.9v. Low level input sensitivity: 300mv. Low pass filter: 50-150hz. Placement on vehicle: under seat. We offer 30-days rerturn service.