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 
 
 
Package List:
 
1 * NE5532 Stereo Preamp 
1 * Audio Cable