Features: 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. DAC - convert coaxial/toslink/fiber optic audio signals to 2.0 analog L/R 3.5mm audio. No 3.5mm headphone and L/R issues solved for the device (e.g. for PS4). 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. High quality equipment - built in high performance 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. 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 Plug options: US, EU Package list: 1 x Digital Audio Decoder 1 x Power Adapter 1 x Optical 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. No 3.5mm headphone and L/R issues solved for the device (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 high performance 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 withou 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.