SPL Marc One, Monitor Controller and 2x2 Audio Interface, Monitor controller with 2 outputs for connecting two pairs of speakers (A / B), Output A with additional subwoofer out, Off switch for the monitor section, 1 Stereo TRS jack input and 1 stereo TS jack input, Stereo TS jack Line Out loops the selected signal through unchanged, Three monitoring modes: stereo, mono and L / R> R / L (reverses the stereo image from L / R to R / L), Infinitely adjustable crossfeed function - crosstalk between the two stereo channels for a more realistic surround sound, Stereo headphone output, Interface with 32 bit AD / DA converter, Sampling frequencies up to 768 kHz PCM, DSD playback up to DSD4 or DSD256, Latency-free monitoring, Class Compliant Interface for Mac and IOS, System requirements Windows: Win 7, 8 and 10, Dimensions: 210 x 49.6 x 220 mm, Weight: 1.55 kg