The Wadia 318i is a very high quality CD player with amazing parts selection and design.The chassis alone is a work of art, made of very thick aluminum throughout and featuring a complex closing mechanism.The CD mechanism inside the 318i is a Stream Unlimited CD Transport unit, which is one of the most capable ever made.Technical SpecificationsPower Supply: Dual transformers in internal isolation chamberPower Consumption: 58 wattsDecoding Software: 3 user selectable upsampling algorithms including DigiMaster v2.5Compatible Formats: Red Book CD, CD-R, CD-RW and FLACDigital Processing Capability: 1 - 24 BitsDigital Resolution: 21 bit resolutionDAC Sample Rate: 1.4112 MHzDigital Volume Control Range: 50dB in one-hundred 0.5dB stepsMaximum Output Voltage: Adjusted via internal switches from 0.3V to 4.25V to match system sensitivityOutput Impedance: Less than 15 ohmsDigital Inputs :1 - USB (B-Type)1 - AES/EBU (XLR)1 - SP/DIF (BNC)1 - Plastic Optical (Toslink)Digital Outputs :1 - Glass Fiber-Optic (ST)1 - AES/EBU (XLR)1 - SP/DIF (BNC)1 - Plastic Optical (Toslink)Analog Outputs:1 pair balanced (XLR)1 pair unbalanced (RCA)Both can be used simultaneously