Musical Fidelity A3 24 DAC Great sounding digital to analog converter with up sampling at 96k and 192k. Inputs are toslink/optical, and coaxial. Output is RCA and coaxial This is an excellent digital to analog converter, one of the best of its time. This piece of equipment is in excellent condition. It has had one owner and used lightly over the years in a properly vented cabinet. Purchased in 2002 it has only been relocated once. All inputs and outputs are working. The unit appears to be fully functional.Will be packed securely for shipping. Manual and power cord are included. DAC architecture: 24 bit Delta-Sigma (Bitstream) 8x oversampling, 96/192kHz switchable Sampling frequencies: 8 - 108kHz Inputs: RCA 75Ohms TOSLINK optical Outputs: RCA left and right analogue audio RCA digital loop out Frequency response: 10Hz - 22kHz ± 0.0dB THD: <0.005% 10Hz - 22kHz Linearity <0.1dB to -100dB Power requirements: 100/115/230V AC 50/60Hz (Factory preset) Power consumption: 10 Watts Weight: 10kg (22lbs) (unboxed)