Dual Input: Experience seamless connectivity with our Bluetooth tube amplifier receiver, featuring dual input options. Enjoy hands-free operation with relay automatic switching that prioritizes Bluetooth connections for your convenience. Clear Sound Quality: This stereo tube amplifier receiver is equipped with a Bluetooth receiver and an independent DAC decoding system. Utilizing the 9018 dual chip architecture and I2S signal decoding, it delivers exceptionally clear sound quality, enhancing your audio experience. Bluetooth 5.0: Benefit from the latest Bluetooth 5.0 technology, offering higher bandwidth with a 2Mbps data volume. The receiver supports a 44.1kHz/16bit dual channel sound signal, with a code rate reaching up to 1.411Mbit/s, ensuring high-fidelity audio streaming. Superior Sound Quality: Our electronic tube Bluetooth receiver is designed to eliminate any burr or sharpness in the sound. It provides bright high frequencies, a clean midrange, and elastic low frequencies, creating a balanced and immersive listening experience. Adjustment Knob: Customize your audio settings with ease using the independent adjustment knobs for high and low frequencies. This feature allows you to freely adjust the sound to your preference, ensuring optimal audio performance for any genre or setting.