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The series of Aovoso PA rack-mount amplifiers are designed for background music/paging and public address system installations,These units are exceptional values, loaded with features, and are easy to install in a variety of system designs.

The PA Pre Amplifiersupports power amplifiers to work, features muting function.that MIC1 overrides MIC2,MIC3,AUX1,AUX2 with 0~30dB dB attenuation. Features: ● 2U aluminium panel. ● 5 MIC inputs, 3 AUX inputs, 2 EMC input,2 AUX outputs. ● Individual volume controller for MIC & AUX inputs. ● MASTER volume controller ,BASS and TREBLE tone controller. ● EMC1,2 have priority over all inputs except MIC1. Specifications: Model AO- PR611 MIC Input MIC 1,2,3,4,5: 18mV/600 ohms, Unbalanced AUX Input AUX 1,2,3: 200mV/10k ohms, Unbalanced EMC Input EMC 1,2: 1.5V/10k ohms, Unbalanced Tone BASS:±10dB at 100Hz,TREBLE:±10dB at 10KHz Frequency Response 20Hz - 20KHz S/N Ratio MIC 1,2: 70dB; AUX 1,2,3: 80dB THD Less than 0.1% Muting Function MIC 1 overrides other input signals with 0-30 dB attenuation,EMC1,2 overrides all inputs except MIC1 LED Indicators POWER Protection AC fuse Power Requirements 110/220V±10%,50/60Hz Power Consumption 50W Dimensions (W×D×H) 483(W)×366(D)×89(H)mm Weight 7.5Kg