Sonifex Redbox RB-HD1, Headphone amplifier, XLR stereo and XLR mono input for talkover function, Level and talkover controllable via remote, 2x headphone outputs (one each on the back and front side), Dimensions: 48 cm (W) x 10.8 cm (D) x 4.2 cm (H), Weight 1.35 kg