Sonifex Redbox RB-ADDA, AD/DA converter, 24 bit / 96 kHz converter, Installation height: 1U, Analog connections: each 2x XLR in/out and RCA for input/output, Adjustable output level: 12 dBu, 18 dBu or 24dBu, Dynamic range over 110 dB, Digital connections per AES/EBU XLR and S/PDIF coax for input/output, Dimensions 48 cm (W) x 10.8 cm (D) x 4.2 cm (H), Weight 1.6 kg