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Rolls MX422 4 Channel Professional Field Audio Mixer with Meters

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About the Rolls MX422

The Rolls MX422 is a 4-channel professional field mixer designed for Electronic Field Production (EFP), Electronic News Gathering (ENG), video and more. The mixer includes a feature set that meets the demands of the professional field audio engineer while remaining at a modest price point.

The MX422 features 4 balanced XLR inputs that are capable of accepting line level or microphone signal. The stereo XLR outputs feature a -30dB pad switch for feeding low impedance inputs. Additional features include a low-cut filter switch for minimizing low frequency noise and a built-in limiter for controlling noise cause by excessive levels.

Rolls MX422 Includes

  • Rolls MX422 4 Channel Professional Field Audio Mixer
  • PS27 Power Supply
  • Canvas Carrying Case
  • Rolls 1 Year Parts and Labor Limited Warranty

Rolls MX422 Features

  • Four servo-balanced XLR Inputs
  • Two transformer-balanced XLR Outputs
  • Switchable Output Level ( Line level, or -30 dB pad)
  • 1/4" TRS Stereo Monitor Input and Auxiliary Input
  • Switchable 48 Volt Phantom Power for each input
  • Switchable 100 Hz Low Cut filters for each input
  • Two sets of battery compartments, never lose power
  • Level and Pan controls for each channel
  • Built in Limiter with variable Threshold control
  • 20 Hz Slate tone with Slate Microphone included
  • Switchable 1 kHz setup Tone
  • Calibrated VU meters
  • 1/4" and 1/8" (3.5mm) Headphone/Earphone Outputs with selectable Source
  • Input (Main mix buss or Monitor input),and Level control
  • 6 hour battery life (with 2 condenser mics using phantom power and head phones attached, constant use)

Rolls MX422 Specifications

Input Impedance Mic: 10K Ohms XLR balanced
Source: 22K Ohms RCA
Limiter Threshold -5 dB to off
fully clockwise: No Limiting
Setup Frequency 1 kHz
Slate Frequency 20 Hz
Output Attenuator -30 dB
Self Noise -57 dB maximum
-90 dB typical
Max Gain +65 db
S/N Ratio 115 dB
THD 0.05%
Frequency Response 20 Hz - 30 kHz
+0, -3 dB
Low Cut 100 Hz
Trim Range 0 to + 38 dB
Max Input 0 dBV
Current Draw 45 mA with no Phantom Power or Signal
Phantom Power +48 VDC
Typical Battery Life 6 Hrs. (2 mics, phan on, 1 headphone)
Connectors 4 ea. Female XLR, 2 ea. Male XLR, 3 ea. 1/4",
1 ea. 1/8" (3.5mm), 1 Center Negative power jack
Power 12VDC / 200 mA
Dimensions (W x D x H) 9.5" x 7.25" x 2.375" / 24.13 x 18.41 x 6.01 cm
Weight 4 lbs / 1.81 kg
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