10 Inch 1200W Under Seat Car Subwoofer with Amp and RGB Lights

Description

The Seventour KL-10 slim 10-inch under-seat active powered subwoofer is designed for drivers who want stronger low-end sound without sacrificing much cabin space. By combining the subwoofer and amplifier in a compact cast-aluminum enclosure, it offers a practical way to add fuller bass response in vehicles where a traditional large subwoofer box may not fit. The enclosure measures 13.5 × 10.2 inches and is only 3.1 inches thick, making it suitable for many under-seat installations, provided the available space and wiring layout are checked in advance.

At the core of the KL-10 is a 10-inch driver paired with a built-in amplifier, allowing it to extend the bass performance of factory or aftermarket car audio systems. Its peak power rating is listed at 1,200 watts, though peak figures reflect short bursts of output rather than continuous operation. For tuning, the powered subwoofer includes onboard gain, low-pass crossover, and bass-boost controls. The low-pass filter ranges from 50 to 150 Hz, while the bass boost adjusts from 0 to 12 dB at 45 Hz, giving users some flexibility in shaping the sound to match different listening preferences.

Integration options are broad, which can make installation easier across a range of vehicles. The KL-10 supports both low-level RCA inputs and high-level speaker inputs, with input sensitivity listed at 300 mV for low-level input and 0.9 V for high-level input. Additional audio specifications include a 20–500 Hz frequency response, 4-ohm impedance, signal-to-noise ratio above 90 dB, and total harmonic distortion below 0.4%. A built-in sub-acoustic filter is specified at 20 Hz, and a 25-amp fuse is included for electrical protection.

The enclosure uses cast aluminum not only for durability but also to help dissipate heat during operation. A protective speaker grille with a spider-inspired design adds a distinct visual detail, while the RGB LED ambient-light ring illuminates when the vehicle starts, creating a colorful accent in the cabin. A green power/red protection indicator provides a simple way to check operating status at a glance.

For added safety, the KL-10 includes thermal, short-circuit, and overload protection circuitry. Seventour also states that the unit is covered by a 12-month replacement promise for product quality issues and two years of complimentary repair service, with professional after-sales support available by phone. Before choosing this powered subwoofer, it is worth comparing the dimensions, power needs, and input compatibility with your vehicle’s audio setup to determine the most suitable installation approach.