High Fidelity Sound - Built-in 2 PCS TEXAS INSTUMENTS TPA3116D2 AMP chips and SA5532A OP-AMP chip, delivering two channel stereo lossless output, up to 1.2 MHZ modulation frequency, Integrated self-protection circuitry, including overvoltage, undervoltage, overtemperature, DC detection, and short-circuit protection Multiple Input & Output Methods: - DAMGOO amplifier supports Bluetooth 5.3, RCA, Optical, Coaxial .Mic input allow for a wide range of devices to be connected to the amplifier board, including smartphones, laptops, tablets, and other audio sources.
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