This digital to analog audio converter is designed for home or professional audio switching. It converts coaxial or Toslink digital audio signals to analog L/R audio and can be connected to external devices such as amplifiers via a standard type jack. Built in high fidelity amplifier chips, headphones and output cab easily push 16-300 ohm high-fidelity headphones. Converter Coaxial or Toslink digital audio signals to analog L/R audio.Support both Toslink input to Coaxial output or Coaxial input to Toslink output. Built in high fidelity amplifier chips, headphones and output cab easily push 16-300 ohm high-fidelity headphones. With power on/off, the volume adjustment can be controlled with a button, and the top can be adjusted to the optimal volume. Easy to install and simple to operate. Input terminals: 1 x coaxial digital (coaxial) terminal, 1 x optical fiber digital (SPDIF/Toslink) audio terminal Analog Output: 1 x (L / R) terminal, 1 x 3.5 mm headphone terminal Digital Output: 1 x coaxial digital (coaxial) terminal, 1 x optical fiber digital (SPDIF/Toslink) audio terminal Sampling rate: 32kHz, 44.1 KHz, 48KHz, 96KHz, 192KHz up to 24bits Input power: DC5V 500MA Body size: 97 * 83 * 27 mm/3.82*3.27*1.06inch Color: black material: metal Package Content: 1* Audio HiFi Converter 1* English manual 1* USB charging 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.