Welcome to our store! Experience superior audio with our Bluetooth 5.1 Power Amplifier. Featuring Bluetooth 5.1 technology for a stable connection and low power consumption, ensuring lossless audio quality. Equipped with a QCC3031 Bluetooth chip supporting aptX, aptX HD, aptX Low Latency, ACC, and SBC codecs. Versatile audio output interfaces: Optical fiber, coaxial, and RCA audio outputs, with independent power input. Enjoy high-quality music with powerful decoding format supporting the aptX protocol. Wide compatibility: Ideal for mobile phones, computers, tablets, and other Bluetooth-enabled devices. Technical Specifications: Material: Aluminum Alloy Chipset: QCC3031, NE5532, STM8S003 Signal Input: Bluetooth Signal Output: Analog, Optical, Coaxial Bluetooth Version: 5.1 Output Level: 2.5 Vrms Signal-to-Noise Ratio: 110dB Distortion Rate: 0.03% Frequency Response: ±3dB(20Hz-20KHz) Bluetooth Support: aptX, aptX HD, Aptx Low Latency ACC, SBC Voltage: 110-240V Package Includes: 1 x Bluetooth 5.1 Power Amplifier 1 x Power Adapter 1 x User Manual 1 x Bluetooth Antenna Your satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues upon receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will provide you with the best solution!