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Review Summary
600 Ohms
XLR 600 Ohms
0.02%
84 dB
25 Hz - 16 kHz (+0 / -3 dB)
+ 14 dB
-14 dB
+60 dB
-3 dB at 100 Hz
20 mA
+18 VDC
3 Female XLR, 2 Male XLR, 1 1/4" TRS, DC Power Jack
5.3" x 3.7" x 2" / 13.46 x 9.39 x 5.08 cm
1 lb / 0.45 kg





The Rolls MX54S Pro-Mix Plus mixes three microphones into two transformer balanced outputs. It has three XLR inputs, each with individually switchable phantom power and Low Cut switches, a Level control and a Pan control. As mentioned, it has two transformer balanced, XLR outputs. A 1/4 inch Aux/Headphone output has been provided along with a Clip indicator, Power indicator and Power switch. The unit is also powered by two 9-Volt alkaline batteries.