[Product Name] This is a digital optical fiber coaxial analog 3.5mm audio analog converter decoder amplifier audio Digtal to Analog Digital Audio Converter[product introduction] This digital to analog audio converter is suitable and professional audio conversion. It can convert coaxial or optical digital audio signals into left and right channel analog audio signals, and an external device, such as a loudspeaker, through L/R analog audio interface. It also has a 3.5mm audio output interface for connecting headphones.[product specifications]Input terminals: 1 x coaxial digital (coaxial) terminal, 1 x optical fiber digital (SPDIF/Toslink) audio terminalAnalog output: 1 x RCA (L/R) terminal, 1 x 3.5 mm headset terminalDigital output: 1 x coaxial digital (coaxial) terminal, 1 x optical fiber digital (SPDIF/Toslink) audio terminalSampling rate: 32 kHz, 44.1 KHz, 48 KHz, 96 KHz, 192 KHz, 24 bitsInput: DC5V 500MAsize: 60 x 55 x 21mmMaterial: alloycolour: blackPackage Contents:1 x Digital to Analog Audio Converter1 x Fiber Cable1 x USB CableOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.