TDA7293 Dual Channel+ NE5532  Preamp Amplifier Board

Specification:
Output Power: 85W + 85W power without distortion
Output Impedance: 4-8 Europe
Input voltage: 20V-28V dual AC input.
Note: The heat sink with a negative pressure, aluminum radiator and chassis need isolation,If instal mica plate,please use a multimeter to measure IC and aluminum radiators can not be turned on. Remember.

Feature:
1.original ELNA fever supplements capacitance, low loss coupling using original PHILP senior film capacitors, filter using KINGBOX 10,000 microfarads capacitance. With 2% silver solder wire connection.
2: The board adopts the advanced UPC1237 speaker protection circuit, make your speakers more secure.
3: The board integrates [rectification, speaker protection, preamp, power amplifier as a whole, the installation more convenient user]
The board material stress, circuit design is reasonable, high signal to noise ratio, close to the speaker is difficult to hear the noise, sound pure and sweet, detail outstanding. Is a cost-effective HIFI amplifier, suitable for 4-8 inch speakers use.  

Package:
1 x  TDA7293 Dual Channel+ NE5532 Preamp Amplifier Board