Description
Description
This is a 12V single power supply TDA7297 amplifier board B board, AC / For DC, 2.0 / dual channel / stereo,12V/2A when using, the output power of 15W +15 W, for peak up 25W +25 W, can be accessed by two 4-8Ω10-50W speakers, a large volume of small size, high signal to noise ratio.
Specifications
Dimension: 50x50x42mm (length x width x height, excluding potentiometer handle), ultra-small size suitable for any space.
Voltage: DC 9-15V, recommended DC voltage 12V, current 2A above
Power: 15W +15 W
Output Impedance :4-8Ω
Upgraded version of the radiator, wider and thicker, better cooling effect
Weight: 60g
Advantages of the board:Boot no current impact sound, high fidelity no static noise! Sound quality super good – treble delicate, soft, transparent, no obvious harsh; bass strong, full, powerful, retractable. Recently, a small number of customers reflect the board a bit noise, mostly power problems are not resolved. After testing, with more than 12V2A battery or 12V30W transformer power supply no noise, if the use of switching power supply or other variable power supply, due to poor sound may produce low noise.
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