Includes 10 tone board preamplifier, treble, alto and volume control.

With op amp IC package socket, flexible, easy to upgrade, suitable for different tastes.

The board layout is reasonable, low noise, component layout, maximum to meet your critical eye.

Components carefully selected areas, cost-effective than high NE5532 op amp, high-quality small potentiometer, Black Edition BP Promise coupling capacitor, 1% metal film resistors, capacitors, etc.

: NE5532

Supply voltage: Dual AC 12V - 18V

Number of channels: Dual channel audio

Adjustment types: 4 channels (treble+alto++volume)

Audio input: RCA socket

Audio output: 3P terminal

Input voltage: 3P terminal

PCB size(L*W*H):112x68x23mm

Color: color

Material: ABS

Package Contents:

1 * Preamplifier

Only the above package content, other products are not included.

Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.