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Adastra ML432 Mic/Line Rack Mixer

Availability: In stock

Product Code: 953.024UK

Brand: Adastra

Rack-mountable 1U mixer with 4 mic inputs and 3 auxiliary inputs. Mic channel 1 has 20V phantom power and adjustable voice-over muting of auxiliary channels. An additional priority input can be connected to a line level input or an external 100V line PA system for emergency paging. Output connections are stereo jack with master bass and treble tone controls. Designed as a master or extension mixer for installed sound systems.


  • 4 balanced microphone inputs
  • +20V phantom power on priority mic input
  • 3 stereo aux line inputs
  • Can tap from an existing 100V PA system
  • 24Vdc power option


Power supply - 100-240Vac, 50/60Hz (IEC) or 24Vdc (terminals)
Fuse - T1AL 250V (mains) or F500mA (24Vdc)
Phantom power - +20Vdc (mic1 XLR input only)
Inputs : mic - 4 x balanced 6.3mm jack (+XLR for mic1)
Inputs : aux - 3 x L+R RCA
Inputs : priority - Line level (6.3mm jack), 100V (terminals)
Outputs - Left + Right 6.3mm jack (unbalanced)
Controls - 4 x Mic level, 3 x Aux level, Treble, Bass, L+R output
Rear panel controls - Aux muting level, priority input level
Input impedance - 2.2k Ohms (mic/line), 10k Ohms (aux)
Frequency response : mic - 130Hz - 21kHz
Frequency response : line - 120Hz - 26kHz
Frequency response : aux - 50Hz - 35kHz
Input sensitivity : mic - -50dBV
Input sensitivity : line - -19dBV
Input sensitivity : aux - -12dBV
Signal to noise ratio : mic - 54dB
Signal to noise ratio : aux/line - 58dB
THD - 0.05%
Dimensions - 482 x 130 x 44mm
Weight - 1.43kg