Product characteristics:Analog to digital converter, converter from coaxial or optical audio signals to l / r 2.0ch analog stereo audio output and can be connected to external devices such as amplifiers via a standard type jack, you can also choose 3.5mm (line conversion jack), headphone jack output, high quality headphone jack, is perfect for home or professional audio switching. Jeste dts / ac3 5.1ch & 2.0ch audio decoding, built in high performance soc chip + cs4354, support DTS-HD / true hd / dts / ac3 / lpcm / pcm format. Support volume adjustment for adjustment, level 20, effectively solve the problem of volume reduction and volume of , cannot be adjusted headphone / sound. Supports volume control. Support type, wireless decoding, supports sampling rate at 32, 44.1, 48, 96 and 192 khz, and 16 ~ 24 bits s / pdif input bits on left and right channels. Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Specifications: sample frequency range:24b ~ 192 khz Analog output level (1khz @ 0db):1.5v rms Frequency response:20hz ~ 20khz The maximum working current:200ma Input format power adapter:DC-5V / 500ma Colour:Black Material:Plastic + Metal Package Contents: 1* Digital to Analog Audio Decoder Converter 1* Power Adapter 1* Optic Cable 1* 3.5 to Cable Note: Before installation, please make sure that all devices you wish to connect have been turned off. 1). connect the audio source device to the converter using suitable toslink or coaxial cables. Switch between using the dial switch. 2). connect the av receivers or amplifiers to the converter using a suitable r / l cable. Only the above package content, other products are not included. Note: Light 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.