！XH-M164 NE5532 Stereo Pre-amp Preamplifier Tone Board Audio 4 Channels Amplifier Module 4CH CH Control Circuit Telephone Preamp

Features:
Adopts NE5532 front chip for for better performance.
High quality potentiometer contacts well, stable for audio output.
Adjustment Types: 4 channels(treble+alto+bass+volume)
12-24V AC dual power supply, wide input voltage.
For the input part, uses dual RCA plug, audio contacts well and long life span.
Suitable for high-quality and professional sound equipment, telephone channel amplifier.
Specifications:
Working Voltage: 12-24V AC Dual Power(12V-0-12V 24V-0-24V)
Power Consumption: 5W
Front Chip: NE5532
Input Interface: RCA
Output Interface: 2.54-3P
Number of Channel: Dual-channel Audio
PCB Board Size: 10 * 60 * 23mm / 3.94 * 2.36 * 0.9in
Weight: 63g / 2.23oz
Package Size: 12.5 * 10 * 2.5cm / 4.92 * 3.94 * 0.98in
Package Weight: 75g / 2.65oz
Specifications:
Hign-concerned Chemical: None
is_customized: Yes
Dissipation Power: 1
Supply Voltage: 1
Application: Computer
Type: Voltage Regulator
Brand Name: Si Tai&SH
Origin: Mainland China
Condition: New