[Unique Design: Compact and adaptable connect to active speakers via RCA to improve sound quality or for use as a powerful headphone amp. NOTICE: DAC-X6 volume adjustment only works on headphones. Headphone and RCA output will emit sound at the same time when the DAC-X6 is working. You can turn off your active speakers or amplifiers according to your needs A variety of input and output modes: The amps can be PC-USB optical fiber coaxial three inputs can be connected to TV set-top box DVD DCD; output mode has RAC 6.35mm headphone port 2 can be connected to power amplifier tube vacuum amp active speaker Chipset: The mini amps chip uses TPA6120A2+LM4562NA+SA9123+CS4398+CS8416 to provide strong guarantee for tone input and output. Efficient protection and long life: The audio decoder uses LM4562NA special op amps specially designed for audio. The op amp can be freely replaced and upgraded. At the same time a relay protectors may protect the headphones and speakers. Perfect for Music and Gaming: When you use it for music it can bring you fantastic music enjoyment. DAC-X6 also is really good for FPS gaming.