[【TPA3251D2 chip】The TPA3251D2 chip adopts the original TI TPA3251D2 HiFi amplifier chip and PurePath technology to achieve ultra-high definition extremely low distortion and high fidelity audio quality. Supports a wide voltage input range of 12 to 36V DC enabling flexible and powerful performance. 【High power digital amplifier dedicated inductor】Utilizes dedicated digital amplifier inductors for high power low loss and minimal heat generation alongside four low-loss metal film capacitors and eight high-capacity black gold capacitors for superior electrical performance and stability. 【Multiple input methods】Supports multiple audio input modes including Bluetooth USB and AUX with Bluetooth 5.2 technology for seamless connectivity. Bluetooth audio supports AAC and SBC codecs and the USB mode supports decoding of WAV FLAC APE and MP3 formats catering to a wide range of audio preferences. 【High precision low-noise operational amplifier】Equipped with four TI NE5532 operational amplifiers it is renowned for its ultra-low noises level and pure sound reproduction. The operational amplifier is installed in a gold-plated socket which has excellent conductivity and high reliability and is compatible with JRC5532DD making it easy to replace the preamplifier. 【After-sales Service】Paying Attention To Customer Experience And Satisfying Customers Is Our Service Tenet. If You Have Any Questions About The Product or The Product Has Quality Problems Please Contact Us At Any Time We Will Give You A Satisfactory Answer.]