HIGH PERFORMANCE - The built-in low-pass filter removes high-frequency noise, resulting in a purer and clearer signal. The frequency response range is 20 Hz - 250kHz, with THD ≤ 0.04%, SNR ≥ 98dB, and an input sensitivity of 775mV. It delivers the warm tone and powerful bass you desire BASS BEAST - This mini bass amplifier is designed for gamers, movie buffs, and music lovers who want to feel the beat. It can connect to a powered and a passive subwoofer and includes a knob for adjusting low frequencies (30Hz-260Hz) to your preference EXCELLENT CHIP - Features the Texas Instruments TDA7498E chip and NE5532 op-amp. No pop, built-in speaker protection circuit, and silent when not in use. With a maximum output power of 220W, it is ideal for large subwoofers POWERFUL SOUND - This subwoofer amplifier, designed for HiFi bass aficionados, generates powerful audio with smooth and pure bass. It will breathe new life into your old speakers, enabling you to fully immerse yourself in rich, dynamic sound WHAT YOU GET - Fosi Audio TP-02 subwoofer amplifier*1, 24V power adapter*1, Use manual*1. This sub amplifier comes nicely packaged with a solid feel to the case, controls, and connectors TP-02 Class D digital subwoofer amplifier is a compact amp designed to power passive and subwoofers used in home theaters or whole-house audio systems. Redefine the Bass: TP-02 high-efficiency subwoofer amplifier serves up big bass with up to 220W peak for deep, crisp, clean low frequency sound effects. TP-02 subwoofer amplifier for home theater adopts STMicroelectronics TDA7498E chip. The TDA7498E is a dual BTL class-D audio amplifier chip with a single power supply designed for home speaker systems applications. Special features: smart protection, thermal overload protection, the small offset of less than 20 mV, standby and mute features, differential inputs minimize common-mode noise. Greater Flexibility with Various Home Theater Audio Systems: Compatible with older and newer source equipment including RCA output.