B-Stock, Samson Servo 300 Amplifier - 2x 150W/4 Ohms, 1x 300W mono bridged (8 Ohms), left/right volume control with 3-band tri-colour LED, dual fan cooling system. Inputs: 1/4" balanced jack (+4dBu), RCA (-10dBv). Outputs: 5-way binding post & 1/4" jack. Dimensions: 19"/2U, weight 9Kg, B-Stock with full warranty, may have slight traces of use