ULTRABASS BX4410A SPECIFICATIONS AUDIO INPUTS Active instrument input Input impedance Passive instrument input Input impedance Return Input impedance AUDIO OUTPUTS Send/Tuner Output impedance Line Out Output impedance Output level D.I. output Output impedance Output level Loudspeaker connectors 1/4" TS connector, unbalanced approx. 220 kW unbalanced 1/4" TS connector, unbalanced approx. 730 kW unbalanced 1/4" TS connector, unbalanced approx.