This subwoofer amplifier, designed for HiFi bass enthusiasts, impresses with powerful sound and smooth, pure bass. It will breathe new life into your old speakers, allowing you to fully immerse yourself in rich, dynamic audio. The built-in low-pass filter eliminates high-frequency noise, resulting in a cleaner and clearer signal. The frequency response range is 20 Hz - 250 kHz. This mini bass amplifier is designed for gamers, movie fans, and music lovers who want to feel the beat. It can be connected to both an active and a passive subwoofer and includes a control knob for adjusting low frequencies (30 Hz - 260 Hz) to your liking. The device features the Texas Instruments TDA7498E chip and NE5532 operational amplifiers. No popping sounds, integrated speaker protection circuit, and silent when not in use. With a maximum output power of 220 W, it is ideal for large subwoofers.