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 , HD DVD, , 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 headphones:Designed for game player and music fancier ,support all headphones within 32~600 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 products , with surging power and full thrust Bass adjustment knob:The 192KHz 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 transmit 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 transfer data and power at the same time. Reduce the hassle of finding additional . 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 for ,,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 , the Philippines and so on. Voltage: AC110V Colour:black Material:Aluminum alloy Package Contents: 1 x Digital to Analog Converter 1 x USB Cable 1 x Fiber optic cable 1 x Audio Cable 1 x Remote 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.