Feature

●One Channel: If only used one channel,the other channel needs to short circuit the input with GND, to avoid interference with the crosstalk.
●Stable Performance: This microphone preamplifier board is made from premium plastic material, which ensures stable performance.
●Two Channel Design: This microphone preamplifier board adopts two channel design, suitable for single lithium battery powered.
●AD828 Chip: This microphone preamplifier board adopts AD828 fever op amp chip,suitable for low voltage power supply (3.8?15V).
●Practical Accessory: This microphone preamplifier board is suitable for guitar, erhu and other musical instruments.


Description

1. Two Channel Design: This microphone preamplifier board adopts two channel design, suitable for single lithium battery powered.
2. One Channel: If only used one channel,the other channel needs to short circuit the input with GND, to avoid interference with the crosstalk.
3. AD828 Chip: This microphone preamplifier board adopts AD828 fever op amp chip,suitable for low voltage power supply (3.8?15V).
4. Stable Performance: This microphone preamplifier board is made from premium plastic material, which ensures stable performance.
5. Practical Accessory: This microphone preamplifier board is suitable for guitar, erhu and other musical instruments.

Specification:
Item Type: Amplified Board Module
Material: Plastic
Product Model: AD828
Working Voltage: DC3.8V-15V
Power Supply: 3.8-15V Lithium Battery or Linear Power Supply (Battery Not Included)
Board Size: Approx. 25 x 16mm / 0.98 x 0.63in

packing list:
1 xAmplified Board Module

Note:
This microphone amplifier board without power regulator circuit,can only use the battery or linear power supply,can not use switching power supply,otherwise there will be interference.