The DL231 comes fitted with MIDI (In, Out and Thru) and an Ethernet Control port, plus four AES50 ports to handle the independent dual-redundant digital audio interfaces. The DL231 is capable of being switched between 24-bit 96 kHz and 48 kHz operation. A Mute All Outputs button is provided for convenient on-stage re-patching – and the DL231 is powered by dual-redundant PSUs for superb reliability.