The Esoteric K-03XD Hi-Fi CD player plays Super Audio CDs and CDs, including CD-R and CD-RW. It features RCA and XLR analogue outputs, as well as digital inputs for connecting external audio sources.

The USB B input supports Linear PCM up to 384 kHz and DSD up to 22.5 MHz. It also has RCA and optical inputs, while the BNC input accepts a 10 MHz clock signal. The XLR and RCA digital outputs transmit Linear PCM at 44.1 kHz and 16 bit.

• Disc types: Super Audio CD, CD, CD-R, CD-RW
• Analogue outputs: RCA, XLR
• Digital outputs: XLR, RCA
• Digital inputs: RCA, optical, USB B
• Supported USB signals: Linear PCM 44.1–384 kHz, 16/24/32 bit; DSD 2.8, 5.6, 11.2 and 22.5 MHz
• Supported RCA and optical input signals: Linear PCM 32–192 kHz, 16/24 bit; DSD 2.8 MHz (DoP)
• Clock input: BNC, 10 MHz
• Control interfaces: RS-232C, 3.5 mm Trigger
• Power supply: AC 220–240 V, 50/60 Hz
• Power consumption: 25 W
• Dimensions: 445 × 162 × 438 mm, including protrusions
• Weight: 28 kg
• Colour: Silver
• Package contents: Power cord, RC-1333 remote control, 2 AA batteries, 3 felt pads, user manual