Digital Amplifier Board, HiFi OP-AMP Audio Amplifier Board NE5532 Preamplifier Volume Tone Control Assembled Board

Description

• [ Volume Adjustment ] --- Treble, midrange, bass, total volume. Amplifier front plate is in fever class, and it works as a front module of high, medium and low volume.
• [ Filter Power Supply ] --- The four pins of rectifier respectively in parallel connect with decoupling capacitor, which can effectively eliminate the interference of AC power grid.
• [ Application ] --- Single power pre-level tone board supports NE5532 amplifier, easy to use in the practical life.
• [ Easy Installation ] --- Tone board installation is simple, and it does not require particularly complicated operations.
• [ Excellent Performance ] --- Power supply circuit adopts full bridge rectifier. Effectively eliminate the interference of AC power grid. Chip has high conversion rate and strong drive ability.

1. Power supply circuit adopts full bridge rectifier
2. Effectively eliminate the interference of AC power grid
3. Chip has high conversion rate and strong drive ability
4. Better performance,noise is very small
5. Sound warm and distorted, high fidelity

Specification:
Description:
High quality filter power supply. The four pins of rectifier respectively in parallel
connect with decoupling capacitor, which can effectively eliminate the
high frequency interference of AC power grid. Now the clutter interference of
power grid is very small and the voltage is quite stable. So the item
has better performance.The
chip has high conversion rate and strong drive ability. The frequency
band is wide and noise is very small.
Features:
1, Power supply circuit adopts full
bridge rectifier.
2, Effectively eliminate the
high frequency interference of AC power grid.
3, Chip has high conversion rate and strong drive ability.
4, Better performance,noise is very small.
5,Sound warm and distorted, high fidelity
Specifications:
Working Voltage: AC double 12-18V
tune type: Low/Middle/High Pitch/Volume
Channel: Double channel
Audio Input: sockets
Audio Output: 3P terminal
Input Voltage: 3P terminal
Size: 105 mm x 54 mm
Weight: 75g
Package includes:
1 x HIFI Preamplifier Control Board Module
Note:
1, Please allow 1-3 mm error due to manual measurement. Thanks for your understanding.
2, Monitors are not calibrated same, item color displayed in photos may be
showing slightly different from the real object. Please take the real
one as standard.

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