WAudio 350W Class-D Subwoofer Plate Amplifier - High Performance Amp Board Module for Subwoofers

【High Efficiency Class-D Amplification】- This amplifier provides 350W RMS power at 4Ω with minimal heat dissipation, ensuring efficient and powerful performance even at high volumes, with less than 1% total harmonic distortion (THD). 【Auto Power On/Off】- Energy-saving feature automatically turns the amplifier on when it detects an audio signal and off when not in use, reducing power consumption. 【Phase Switch (0°/180°)】- Optimize your subwoofer's performance by adjusting phase settings to match your room’s acoustics and speaker placement, ensuring that the bass integrates perfectly with the rest of your sound system. 【Variable Low-Pass Filter】- Customize the crossover frequency between 25Hz and 180Hz, allowing you to precisely control how the subwoofer interacts with your main speakers, ensuring smooth, well-blended bass output. 【Balanced & Unbalanced Inputs】- Features high-quality RCA (unbalanced) and XLR (balanced) inputs for flexible connectivity with a wide range of audio equipment, ensuring noise-free audio transmission. 【Robust Protection Circuitry】- Built-in protection against short circuits, over-temperature, and overload ensures long-term reliability and safety for your amplifier and connected subwoofer. 【Compact Design】- Measuring just 205mm x 235mm x 65mm, this compact yet powerful plate amplifier fits discreetly into subwoofer enclosures without sacrificing power or functionality. 【Bass Boost Feature】- For extra punch, the amp includes a built-in bass boost at 45Hz (+6dB), giving you more depth in your low-end frequencies, perfect for cinema-quality sound or intense music playback. 【Universal Voltage Compatibility】- Designed for global use, the amp supports both 110V and 240V input voltage, making it ideal for international setups. 【Standby Mode】- Energy-efficient standby mode consumes less than 0.5W of power, making it environmentally friendly without sacrificing convenience.