U2B 4 extends the U2B 2 format to two independent stereo pairs. It converts two unbalanced RCA sources into four balanced XLR outputs, with per-output gain setting and operation as four mono channels when required.

• Two stereo RCA inputs with electronic isolation and RF filtering.
• Four balanced XLR outputs with recessed gain presets.
• 100-240 V AC mains input and external +/-12 V DC connection.

Function2 stereo unbalanced inputs to 2 stereo balanced outputsGain range-15 dB to +15 dB per outputMaximum level+28 dBu input, +24 dBu outputResponse<+/-0.1 dB, 40 Hz to 20 kHzAC consumption1.7 W