AlphaTheta Euphonia Professional 4-Channel Rotary DJ Mixer. Next-generation rotary mixer from Pioneer's parent company, AlphaTheta. Cutting-edge digital tech meets analogue richness thanks to output transformers from the legendary Rupert Neve Designs. To deliver a clearer sound quality that accurately reproduces the expression of the music, the euphonia uses high-quality 32-bit A / D and D / A converters as well as 96kHz / 64bit floating point mixing processing operations in the DSP, utilizing the digital signal processing technology AlphaTheta has developed over many years. Compatible software: Rekordbox, Serato DJ Pro. Inputs: DIGITAL IN × 4 (coaxial), LINE × 4 (RCA), PHONO × 4 (RCA), MIC x 1 (XLR & 1/4" TRS jack). Outputs: MASTER × 1 (XLR), BOOTH × 1 (1/4" TRS jack), REC × 1 (RCA), PHONES × 2 (1/4" stereo phone jack, 3.5 mm stereo mini jack), USB: USB Type-C × 1. Send/Return: Yes.