SONIFEX RB-UL4 Quad Stereo Unbalanced to Balanced Converter
FOR SALE 1 X SONIFEX RB UL4. All connections are on the rear panel. The eight RCA unbalanced inputs have an impedance of 10kΩ and. Gain Range: Balanced output : -15dBu to +15dBu, ref -15dBu into unbalanced RCA input.