Heritage Audio 73 DI 2; active 2-channel DI box for impedance matching and balancing of an audio signal; eliminates noise and hum caused by ground loops; discrete Class A input stage with JFET; -15 dB PAD switch; Ground/Lift switch; operates with +48 V phantom power with red status LED; connections: 2x balanced 6.3 mm jack input, 2x balanced 6.3 mm jack Thru output, 2x balanced XLR output; dimensions: 130 x 158 x 50 mm (DxWxH); Weight: 0.987 kg