Features: 1.Plug and play - this DAC converter has audio decoding chip, compatible with dolby AC-3 DTS 5.1 channel audio, perfect solution to speakers and amplifiers, no hum, squeak and scream audio and noise problems. Enjoy the feast of hearing. 2.DAC - convert coaxial/toslink/fiber optic audio signals to 2.0 analog L/R 3.5mm audio. Can resolve the problem that a device has no 3.5mm headphone and L/R channel(e.g. for PS4). 3.Volume adjustment - professional volume control knob for adjusting earphone and L/R output volume. Please note: this is only a digital-to-analog converter, not an audio amplifier. 4.High quality equipment - built-in RTOS operating system, support DTS/Dolby AC3 / LPCM/PCM format. Support sampling rates of 32, 44.1, 48, 96 and 192 KHz; 24 bit S/PDIF input bitstream on left and right channels. Provides transmission without electromagnetic noise. 5.Wide compatibility - works perfectly compatible with HDTV, satellite receiver, for PS3, for PS4, for Xbox, for blu-ray player, HD DVD, home theater system, AV amplifier, for sky HD plasma, for TV and all ports with digital optics or coaxial devices. Specification: Condition: 100% Brand New Material: Aluminum alloy Color: as picture shown Size: Approx. 10*8.5*3cm/3.9*3.3*1.2in Package list: 1 x Digital Audio Decoder 1 x USB cable 1 x Optical fiber cable 1 x Coaxial Cable 1、Plug and play - this DAC converter has audio decoding chip, compatible with dolby AC-3 DTS 5.1 channel audio, perfect solution to speakers and amplifiers, no hum, squeak and scream audio and noise problems. Enjoy the feast of hearing. 2、DAC ? convert coaxial/toslink/fiber optic audio signals to 2.0 analog L/R 3.5mm audio. Can resolve the problem that a device has no 3.5mm headphone and L/R channel(e.g. for PS4). 3、Volume adjustment - professional volume control knob for adjusting earphone and L/R output volume. Please note: this is only a digital-to-analog converter, not an audio amplifier. 4、High quality equipment - built-in RTOS operating system, support DTS/Dolby AC3 / LPCM/PCM format. Support sampling rates of 32, 44.1, 48, 96 and 192 KHz; 24 bit S/PDIF input bitstream on left and right channels. Provides transmission without electromagne 5、Wide compatibility - works perfectly compatible with HDTV, satellite receiver, for PS3, for PS4, for Xbox, for blu-ray player, HD DVD, home theater system, AV amplifier, for sky HD plasma, for TV and all ports with digital optics or coaxial devices.