Fosi Audio BT20A Pro Bluetooth Stereo Power Amplifier with Bass/Treble Controls

【TPA3255 High-Performance Chip】The TPA3255 high-performance chip features an advanced feedback design and proprietary high-speed gate driver error correction. In addition to superior audio performance, the TPA3255 achieves both high power efficiency and extremely low power stage idle loss of less than 2.5W. 【300Wx2 High Efficiency】A significant upgrade from the BT20A amplifier. The two plug-in NE5532 Op-Amps can be replaced with LME49720HA/MUSES02/OPA26041P/OPA2134PA/LM4562/NJM4556AD Op-Amps, etc., allowing you to create different sound qualities. Maximum output: 300W x 2; SNR ≥ 108dB; THD ≤ 0.005%. [Bluetooth 5.0 Input] Press and hold the volume control for 5 seconds to clear the Bluetooth pairing. It also features a Bluetooth memory function for easy pairing next time. A hint sound will play when pairing is complete. The BT20A Pro amplifier supports Bluetooth 5.0 input, allowing 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】Thanks to its unique design, the BT20A Pro amplifier for home audio offers a wide range of bass and treble control. Alternatively, you can turn the treble and bass effects to a midpoint to hear the original sound without any effects. 【】Shipping Details: BT20A Pro Power Amplifier x1, Bluetooth Antenna x1, 32V/5A Power Adapter x1, AC Cord x1, Manual x1, Before using this product, please check that the Bluetooth antenna is properly installed and all cables are correctly connected. If you have any questions, please feel free to contact us. Please note: The BT20A PRO prioritizes Bluetooth connection over RCA input. To disconnect via Bluetooth, press and hold the volume knob for approximately 5 seconds. To reconnect, select "Fosi Audio BT20A PRO" from your device's Bluetooth settings screen. [※] For better heat dissipation, we recommend using a Fosi Audio cooling fan (sold separately) with the amplifier. Bluetooth: 5.0 Type: Bluetooth 2.0 CH Amplifier Maximum Output: 300W x 2 Input Method: Bluetooth + RCA Output: Passive Speaker + Pre-out High/Low Controllable THD: ≤ 0.005% SNR: ≥108dB Chip: TPA3255 Power Amplifier, Bluetooth Amplifier, Speaker, Active Subwoofer Applicable