Rupert Neve Designs RNDI-8, Active 8-Way DI Box, Rupert Neve Custom Transformer, Max input level +21 dBu (+31 dBu with pad on), Power supply via 48V phantom power per channel, Ground lift and pin 1 isolate per channel to eliminate hum pickup, -10dB pad, 6.3mm Jack In, 6.3mm Jack Thru, XLR out, Dimensions: 19