Azden FMX-42 Pro Portable Mixer

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The Azden FMX-42 Pro is a portable 4-channel audio mixer designed for semi-pro and professional field audio capturing. The FMX-42 features 4 balanced 3-pin XLR microphone inputs with individually switched +48VDC phantom power. Having 4 balanced XLR line/mic inputs with individual level and pan controls, the FMX-42 provides switchable (per channel) 48V phantom power and limiting, professional quality VU meters for accurate level setting, master level control, 1k tone generator, 2 balanced XLR outputs (line/mic switchable), stereo mini-jack output for DV cameras and a headphone monitor with level control. The FMX-42 is powered by 6 AA batteries (not included) or an optional 12V DC external supply and comes with a ballistic nylon carrying case.

The Key Features

  • Lightweight and easily portable
  • 4 XLR Inputs
  • Phantom Power
  • Input Limiter


  • Frequency ResponseBalanced and Unbalanced Output
  • 20 Hz – 30 kHz (+0 / -1.5 dB)
  • Monitor Out: 30 Hz – 30 kHz (+0 / -2 dB)
  • Signal-To-Noise
  • Balanced Output: -120 dBu
  • (A weighted, Input Equivalent Level)
  • T.H.D.
  • Balanced Output: <0.005% @ 1 khz (@ line position +19 dbu output)>
  • Phantom Power Voltage: 48V (± 4V)
  • Sample Tone Freq: 1 kHz


  • Battery Requirement: 6 Alkaline “AA”
  • Battery Runtime: Approx. 9 hours (Meter Illum. & Phantom Power OFF)
  • External Power: 12VDC @ 200 mA (10.5-17VDC – Locking 4-Pin Hirose Connector)
  • Current Drain:
  • 164 mA (Meter Illum. & Phantom Power OFF – @ 9V)
  • 192 mA (Meter Illum. OFF/Phantom Power ON w/1 mic@9V)
  • 125mA (Meter Illum. & Phantom OFF @15V)


  • 56H x 220W x 160D mm (without protrusions)
  • 2.25H x 9W x 6.5D inches (without protrusions)
  • Weight: 1350 g (w/o batteries) – 3 lb (w/o batteries)
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Product Specification

Size (mm) 56 x 220 x 150 mm
Type Mixer
Weight (g) 1400
Channels 220mmW x 160mmD x 56mmH
Inputs Balanced Input: XLR 3-pin Female x 4 (CH1, 2, 3 & 4)
Manufacturers Link
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Product Code: 1546461-wex Manufacturers Part Number: FMX-42 Got a question? Get it answered...