ZIHUI 10 Inch Ultra-Thin Underseat Active Subwoofer — 8" Driver, 800W Max / 220W RMS, Built-In Amp, LED & Wired Bass Remote, 4Ω, 25A Fuse, 50Hz-150Hz LPF, 0-12dB Boost

Compact, high-impact bass for small vehicles: The ZIHUI underseat active subwoofer pairs an 8-inch driver with a 2-in-1 built-in amplifier inside a space-saving 10 inch enclosure, delivering up to 800W peak output while fitting neatly beneath seats. Power and tuning: Rated at 220W RMS with a 4 Ohm load and protected by a 25A fuse, the unit offers a 0-12dB bass boost and an adjustable low-pass filter from 50Hz to 150Hz for precise low-end control. Physical design and durability: Built from a cast aluminum housing with an aluminum molded sealed-box design, this ultra-thin sub provides sturdy construction and improved stability. The dynamic aluminum spider speaker protector enhances cone protection and adds character to the speaker’s movement. Cooling and reliability: The integrated amplifier and cast-aluminum chassis promote dependable performance with excellent heat dissipation, while onboard gain reduction helps minimize resonance for clearer bass reproduction. Controls and convenience: Includes a wired bass volume remote and crossover controls for easy adjustment from the driver’s seat — effectively serving as external bass control. Visual accents: A blue LED ambient light turns on with the vehicle to create an enhanced audio-visual atmosphere. Installation and use: Designed for vehicles with limited space, this active underseat subwoofer provides powerful, tunable bass without sacrificing cabin space.