There are 6 power amplifier tubes, 4 for left and right channels, and the other 2 are connected to the for circuit for subwoofer use. Circuit: A total of 6 disassembled power amplifier tubes and 2 disassembled large capacitors are used, 4 of which are responsible for left and right channels, and the other 2 are connected to circuits for subwoofer use.
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(Can be modified for external power amplifier (from the 3P block OUT output external). 1 Power Amplifier Board. 3) output: 3P block OUT output can be modified for external power amplifier, the middle is ground, left and right are L and R respectively.
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This digital power amplifier board uses TPA3116D2 high-performance digital power amplifier chip. Chip Model: TPA3116D2 x 2. Item Type: Amplifier Board. 1 x Amplifier Board. For Bluetooth Version: 5.0.
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Amplifier module supports output DC bias protection and speaker protection, which makes itself getting great popularity. With output short circuit protection, this AMP board can be easy to use in the practical life.
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Output power 125W 8R, 250W 4R. Output transistors are original Huawei Semiconductor 2SD718 power tubes (180V, 10A, 100W) 6 per channel. Original op-amp TLC271 high performance OP is used.
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Output power of 30W (@ 4 ohm, 16V), the board can be connected to 8 ohm, 4 ohm speakers, a single circuit board for mono, two circuit boards can be linked to form a stereo dual-channel Bluetooth amplifier.
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Assembled Board：have solder it well ，tested well ！. Power:10W+10W. Power transistor:2N3055 4.
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Output power: 50W 2. 1 x Bluetooth Amplifier Board. Audio input: Bluetooth + AUX. Bluetooth Version: 5.0. Number of channels: left and right channels (stereo). Always believe we'll solve issue directly through communication!
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