7.1 Power Amplifier Preamplifier Board Independent Volume Bass Frequency Adjustment Auto Mute for 7.1 Home Theater DIY

• Usage: Telephone, Computer, Workstation, Server, Mobile phone, Laptop
• Type: Wired
• Support Network: Bluetooth
• Information content: Data
• Certification: CE, ISO, RoHS
• Condition: New
• Transport Package: Neutal Package
• Trademark: SPC
• Origin: China
• Production Capacity: 50000PCS/Month

Product Description

7.1 Amplifier board front stage DC power supply Independent volume adjustment Bass frequency adjustment Automatic mute

 

Only signal amplification function, without tone and total volume, (the volume potentiometer can be added separately). The volume of each channel is independently adjusted, which can be conveniently adjusted. The bass frequency is adjustable to adapt to different subwoofer speakers, which solves the problem of inconvenient adjustment of some pre-stage players.

 

Power input: single DC power supply DC15-35V

 

Signal input: 7.1 audio signal (1V)

 

Output signal: 7.1 signal (2-3V) magnification is about 3 times

 

Features: 8 independent volume adjustments, bass frequency adjustment, no master volume knob. STB signal output, control power amplifier standby mute, energy saving

 

PCB size: 152 * 21MM

 

Potentiometer distance: 17MM