Fosi Audio BT20A Pro 300W X2 TPA3255 Bluetooth Power Amplifier Small Home Audio Stereo 2 Channel Amplifier Receiver Mini Class D Home Integrated

---------------------------------------------------------------------- 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ----------------------------------------------------------------------

【TPA3255 High Performance Chip】TPA3255 high performance chip features advanced feedback design and unique high speed gate driver error correction. In addition to excellent audio performance, the TPA3255 can achieve both high power efficiency and very low power stage idle losses of less than 2.5W. [300Wx2 High Efficiency] This is a major upgrade from the BT20A amplifier. You can replace the two plug-ins NE5532 Op-Amps with LME49720HA/MUSES02/OPA26041P/OPA2134PA/LM4562/NJM4556AD Op-Amps, etc. to create different sound quality. Maximum output: 300W×2; SNR≥108dB; THD≤0.005%. [Bluetooth 5.0 Input] Press and hold the volume control for 5 seconds to clear the Bluetooth pair. It also has a Bluetooth memory function, so you can easily pair it next time. Once pairing is complete, a hint sound will appear. BT20A Pro amplifier has Bluetooth 5.0 input, which allows you to enjoy music faster and more conveniently. [Note]: This product does not have an optical fiber terminal and does not support optical fiber input. 【Sound Control】With its unique design, the BT20A Pro amplifier for home audio has a wide range of bass and treble control functions. Alternatively, you can turn the treble and bass effects to a midpoint to hear the original sound without effects. [24-month worry-free warranty] Shipping details: BT20A Pro power amplifier x1, Bluetooth antenna x1, 32V 5A power adapter x1, AC cord x1, manual x1, 24-month worry-free warranty. Before using this product, please check that the Bluetooth antenna installation and each cable connection are correct. If you have any questions, please feel free to contact us. Bluetooth: 5.0 Type: Bluetooth 2.0 CH amplifier Maximum output: 300W x 2 Input method: Bluetooth + RCA Output: Passive speaker + Pre-out High bass control possible THD: ≤ 0.005% SNR: ≥108dB Chip: TPA3255 Power amplifier, Bluetooth amplifier Speaker, active subwoofer applicable