The DAC1 PRE is a reference-quality stereo pre-amplifier, headphone amplifier, and computer audio playback device, incorporating the 24-bit, 192-kHz DAC1 digital-to-analog conversion system. It has six stereo inputs and four stereo analog outputs. The six stereo inputs include an analog input, a USB computer input, an optical input, and three coaxial digital inputs. The output section includes stereo XLR balanced, RCA unbalanced, and two headphone jacks driven by Benchmark's HPA2â„¢ 0-ohm headphone amplifier. Purchased Feb '08. Perfect condition, tested & boxed. Offered at £1,050 (Current RRP: £1,495)