Mô-đun Bo Mạch Tiền Khuếch Đại Âm Thanh XH-A902 NE5532 Bộ Khuếch Đại Công Suất Bảng Âm Kỹ Thuật Số Mặt Trước Điện Áp Rộng

Audio op amp institution
Wide input voltage
Removable chip
Pure and no noise
Widely used

Type: pre-amp board
Model: XH-A902
Chip model: NE5532
Number of channels: two channels
Magnification: 5 times
Power supply: DC 12 ~ 30V
Net weight: about 12g
Size: 50*30*15mm
Mounting size: 43*23mm diameter 3mm

Introduction:
The XH-A902 audio preamplifier board adopts the original imported op amp chip. Compared to the same op amp, the sound is lighter and the bottom sound is smaller; It can be widely used and is suitable for preamplifier of all audio power amplifiers; It has a wide input voltage, the input voltage is DC12 ~ 30V.

Applicable instructions:
× The H-A902 audio preamp board is an audio preamp. There will be no sound if it is connected directly to the speakers. You need to connect the amplifier to the audio output terminal, and the amplifier will have sound when connected to the speakers. Connect a 12 ~ 30V DC power supply to the power input end of the op amp board, pay attention to distinguish the positive and negative poles, and VCC is the positive pole.