192Khz sampling rate:Support 192Khz sampling rate on the optical and SPDIF signal,built-in interference immunity and no signal input squelch circuit [Audio Format:PCM/LPCM]Plug-and-play, easy to install and operate. Compatible with PS3, HD DVD, PS4, Sky HD, plasma Blu-ray home theater, AV amplifiers, etc; Note: Set the format steps:Setting--Sound--Audio Format-PCM/LPCM Widely compatible with 32~600 Ω headphones:Designed game player and music fancier ,support all headphones within 32~600Ω Volume adjustment knob :Built-in volume adjustment circuit and control knob ,completely solve the problem of low volume when using high-impedance headphones used in DAC products , with surging power and full thrust Bass adjustment knob:The 192KHz DAC innovatively designed bass adjustment function,Can provide stunning stereo sound, heavy bass effect, create the perfect environment different from the sound field, gain the effect was very obvious, which makes you reveled in a world by bass Support USB to mit PC/Mobile phone (OTG) player signal. Support power off memory function:After the connection cable of the machine is played normally, when the power is restored after the power is shut down, the device can automatically start up and restore the state before the power failure. No additional operation is required. Support USB+Type-C dual interface power supply:When the USB audio input is connected to a TV or computer, a USB cable can be used to directly fer data and power at the same time. Reduce the hassle of finding additional power connections. The design of portable and fashion aluminum alloy shell and gold-plated interface improved overall immunity ,it makes the sound clear and pure .Widely compatibility ,it can be used PS3,PS4,Blu-way player,HD DVD,Home Theatre system, etc. Easy to install , plug and play Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. Plug Type :EU Plug,it applies to Ind