NE5532 LM1875 IC 25W*2+50W Audio Subwoofer Amplifier Assembled Board

Product Description
NE5532 audio-specific op-amp IC, the IC sound warm, balanced atmosphere, often used as a preamplifier; LM1875 power IC stable performance cheap for so many years of audio technology, rapid development, but the two IC is still widely used !
1. The imported LM1875 and NE5532 IC
2. The main filter capacitor with a capacity of two 6800uF domestic 10A and above rectifier flat bridge;
3. Resistance to the selection of the five rings of metal resistance, the main circuit with accuracy ± 1% of the five rings of metal film resistors to ensure that the machine a good signal to noise ratio;
4. PCB with 1.6mm thick double-sided sheet, copper thickness of 2.0 oz spray tin process, to ensure the good performance of the current size, Superior quality of the PCB.
5. Operating voltage: Dual AC 12V to 15V
6. Output power: left and right channels of 25W × 2 subwoofer 50W
7. Output impedance: 8 ohms of the left and right channels, the subwoofer must not be less than 6 to 8 Europe, please note!
8. Dimensions: length 117 × width 60 × high-35mm

Warning instructions
Upper left corner of SW OUT: subwoofer output, regardless of positive or negative; The lower left corner 12V GND - 12V: dual 12V AC power supply;
The upper right corner of the ROUT right channel speakers + LOUT is left channel speaker +, G, speaker negative;
Bottom right corner of the white LGR signal input, L left, R right + G is public land.

Package
1pc LM1875 NE5532 IC 25W*2+50W Audio Subwoofer Amplifier Assembled Board