OK339 Karaoke Reverberation Board Microphone Amplifier Board Module

Description:

Power supply: 12V-15V AC

Interface: outer diameter 5.5MM, inner diameter 2.1MM

Board size: 140X66MM

Using double precision TL074 as input operational amplifier, good analytical ability, natural sound effect,PT2399 is responsible for sound processing.

Using the microphone automatically mute circuit, when the microphone is not inserted, the part of the circuit is completely isolated and does not affect the reproduction of the music.

Using stepless adjustable technology.

Increased 5V output to connect Bluetooth decoder board, more convenient to use.

Specification:

Material: Plastic

Board size: 158mm

Package Includes:

1 Piece Karaoke Amplifier Board Module

5 Pieces Screw

4 Pieces Nut

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