320W High Power Digital Audio Power Amplifier Preamp For Music Audio Song A915 aluminum black - by LC Prime&reg; US high-power control chip system, use PreAmp non-balance to balance, PostAmp balance transmission amplification. With a wide range of voltage applications, you will get an enhanced enjoyment of high, middle and low-frequency music quality! Built-in loudspeaker protection and power-on delay. PreAmp uses non-balance to balance circuit to control the IC distortion, keeping high fidelity and dynamism. High quality components in parallel and high-frequency low-impedance components to create a super-power digital power amplifier and power supply operated in high frequency to enhance the sound quality. Max. capacitor array at the same level is 13, 200 microfarad Philip BC capacitor, input coupling uses the top-grade BP capacitor among Japan Nichicon MUSE for audio, use air core inductance featuring fine tone as audio filter output.ST Microelectronics imported embedded control chip with as high as 320W output power. Playing music at fingertip. User-friendly operation, high-quality HIFI music, HIFI sound reproduction. WHAT YOU GET: LC Prime 1 X A915 Bluetooth Digital Power Amplifier, 1 X 100-240V Power Adapter (DC19V-342A), 1 X Power Cord, 1 X RCA Audio Cable. And our 60-day warranty and friendly customer service.