Input:
3×HDMI / COXIAL / OPTICAL / PC-USB / U disk-USB / AUX / With 5.0 Bluetooth Receiver

Output:
5.1ch (RCA) / 2.0ch (FL/FR) / HDMI (ARC) / COXIAL / OPTICAL

Support input devices:
TV box, Set-Top Box, Blu-ray DVD, IPTV, PS/XBox game machine, PC (Audio input only support Windows system), U disk, Mobile phone,Tablet PC,Hifi player etc.

Support output devices:
5.1 Old power amplifier, 5.1 Old active speakers,5.1 Digital power amplifier,5.1 Digital active speakers,2.0 Speakers etc. HDMI supports 4K HD video output to display HDTV or projector.

Product size:
L 200mm/7.87in * W 85mm/3.34in * H 55mm/2.16in

All accessories:
D51-B machine*1
Infrared remote controller*1(No Battery)
1m Digital Optical Fiber Cable*1
Professional OFC copper RCA cable*2pcs
IR extended cable*1
User manual*1

The Others:
LCD panel display, real-time display of playing information.100 level volume adjustment, more delicate sound quality.