Brand: apollolab
Model: HTB175
Digital Audio and Video products designer & manufactory

MPEG Decode Board
PWM Audio Output Interface
FM/AM and Analog Audio Input Interface
USB and Card (SD,MMC,etc) Reader
Dolby Prologic II (Virtual Dolby Surround) Function
Individual Channel and Master Volume Adjustment

Digital Amplifier Board
Total Power Output: 175 watts (RMS)
15W*5+30W (FL/FR/SL/SR/Center+Subwoofer)
DDX (Direct Digital Amplification) power device provides high-quality, high-efficiency, all digital amplification

Power Supply Board
Designed for DVD Home Theater especially
Low Electro Magnetic Interference
Quick Dynamic Response
Very safe design with multi-protection
Voltages (AC) range from 100 to 260