SKU: 40213178198

Azden FMX-42a 4-Channel Microphone Field Mixer with 10-Pin Camera Return

Sale price$34971.75 Regular price$38857.50
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Description

Azden FMX-42a 4-Channel Microphone Field Mixer with 10-Pin Camera Return4 XLR Inputs Phantom Power Input Limiter 2 Balanced Mic Line XLR Outputs Make Backup Recordings Using 1 8" Output Monitor Camera Using 10 Pin or 1 8" Return The Azden FMX 42a is a portable 4 channel audio mixer designed for professional and semi professional field audio capturing. Equipped with both mini jack and 10 pin camera returns, the FMX 42a also features 4 balanced 3 pin XLR microphone inputs with individually switched +48V phantom power. A

  • 4 XLR Inputs
  • Phantom Power
  • Input Limiter
  • 2 Balanced Mic/Line XLR Outputs
  • Make Backup Recordings Using 1/8" Output
  • Monitor Camera Using 10-Pin or 1/8" Return

The Azden FMX-42a is a portable 4-channel audio mixer designed for professional and semi-professional field audio capturing. Equipped with both mini-jack and 10-pin camera returns, the FMX-42a also features 4 balanced 3-pin XLR microphone inputs with individually switched +48V phantom power. A pair of balanced XLR outputs provide line or mic level (switchable) signal to cameras, recorders, etc.

Additional features include a switchable input limiter to reduce the possibility of overload distortion, Left / Center / Right Pan switches on all input channels, and enhanced circuitry for improved signal-to-noise ratio. The FMX-42a can be powered either by 6 AA batteries or an optional 12 VDC external power supply. A ballistic nylon carrying case is included.

The FMX-42a is an affordable field mixing solution for event videos, ENG/EFP applications, documentaries, and more.

Features:
  • On-board A/D converter and 2-channel mini-USB digital audio output
  • Mini-USB output connects to computer, smartphone or tablet
  • Simultaneous use of both outputs allows the analog signal to be sent to the camera while a backup digital signal can be sent to a smartphone or tablet or computer via mini-USB
  • 4 balanced XLR line/mic inputs and pan controls
  • Switchable 48V phantom power and limiting
  • Professional-quality VU meters
  • 2 balanced XLR outputs (line/mic switchable)
  • Stereo mini-jack output for DV cameras
  • 6x AA battery powered
  • Optional A/C adapter
UPC: 095528070062
Input
Balanced Input XLR 3-pin female x 4 (CH1, 2, 3 & 4)
Level Line-
Standard: +4 dBu (electronically balanced)
Maximum: > +26 dBu
Impedance: 20 kOhms

MIC HI-
Standard: -38 dBu (electronically balanced)
Maximum: +4 dBu
Impedance: 2 kOhms

MIC LO-
Standard: -58 dBu (electronically balanced)
Maximum: -15 dBu
Impedance: 2 kOhms
High Pass Filter 100 Hz - 6 dB/oct
Input Level -20 to +19 dBu (unbalanced)
Impedance 11 kOhms
Return Input Hirose 10-pin female for Hirose plug part #RM15TD-10P
1/8" (3.5 mm) stereo mini-jack
Input level: -20 to +19 dBu (unbalanced)
Impedance: 11 kOhms
Output
Balanced Output XLR 3-pin male x 2 (output L & R)
Unbalanced Outputs 1/8" (3.5 mm ) stereo mini-jack
Monitor Output 1/4" (6.3 mm) stereo jack
Balanced Output Level LINE-
Standard: +4 dBu (electronically balanced, greater than 10 kOhms load)
Maximum: +20 dBu (electronically balanced, greater than 10 kOhms load)
Impedance: 600 ohms

MIC-
Standard: -36 dBu (electronically balanced, greater than 10 kOhms load)
Maximum: -20 dBu (electronically balanced, greater than 10 kOhms load)
Impedance: 600 ohms
Unbalanced Output Level Standard: -36 dBu (electronically balanced, 10 kOhms load)
Maximum: -20 dBu (electronically balanced, 10 kOhms load)
Impedance: 120 ohms
Monitor Output Max Output: +1 dBu (32 ohm load at 9 V), 16 - 100 ohms load recommended
Meters Standard Output Level: 0 VU (+4 dBu)
Digital Output No
General
Frequency Response Balanced or Unbalanced Output: 20 Hz - 30 kHz (+0/-1.5 dB)
Monitor Output: 30 Hz - 30 kHz (+0/-2 dB)
Signal-to-Noise Ratio Balanced Output: -120 dBu (A weighted, input equivalent level)
THD Balanced Output: < 0.005% @ 1 kHz (at LINE position +19 dBu output)
Phantom Power 48 V (±1.5 V)
Sample Frequency 1 kHz
Battery Requirement 6x Alkaline AA
Current Drain 164 mA (Meter Illum & Phantom OFF @ 9 V)
192 mA (Meter Illum OFF, Phantom ON w/1 MIC @ 9 V)
125 mA (Meter Illum & Phantom OFF @ 15 V)
External Power 10.5 ~ 17 VDC @ 200 mA
Dimensions 9.0 x 6.5 x 2.3" (220 x 160 x 56.0 mm), without protrusions
Weight 3.0 lb (1.35 kg), without batteries
Packaging Info
Package Weight 3.5 lb
Box Dimensions (LxWxH) 10.9 x 9.3 x 5.7"
In the Box
Azden FMX-42a 4-Channel Microphone Field Mixer with 10-Pin Camera Return
  • Nylon Carrying Case
  • Limited 2-Year Warranty
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 40213178198

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Y K
Birmingham, US
★★★★★ 5
Comfortable
Material Type: Black - 2 Pairs, Size: X-Large, Material Type: Black - 2 Pairs, Size: X-Large
I have very sensitive skin, so I usually need to wear socks at all times. These are especially comfortable because they don’t cover the toes, which helps with temperature control. The material is well-balanced—not too thick or too thin—and has just the right amount of stretch. I also appreciate the large traction area, which adds stability. Another plus is that they are completely fragrance-free.
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Reviewed in the United States on April 21, 2026
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Pudatane
Belleville, US
★★★★★ 5
Great Heel Socks
Material Type: Black - 3 Pairs, Size: Large
I don't know how they work but it's wonderful. I've had rough heel problems for a long time. I wear these everyday and my heels are not rough. They're not baby bottom smooth, but they are not ever going to be. These heel socks also oncce they are properly positioned snap onto the heel. Properly positioning them is easy when you put them on your foot with the heel cup in the correct orientation.
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Reviewed in the United States on April 14, 2026
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beachx
Birmingham, US
★★★★★ 3
Too small
Material Type: Gray - 3 Pairs, Size: X-Large
Too tight! Even size large used for a man with smaller feet is too tight. Also, no instructions for use or care.
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Reviewed in the United States on May 21, 2026
J
Verified Purchase
Jo-Ann Epstein
New York, US
★★★★★ 5
Good fit
Material Type: Black - 3 Pairs, Size: X-Large
My husband just started using these and they feel comfortable. Hasn't used them long enough to see if his heels are better. He has a high arch so I bought him the XL and they fit perfectly.
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Reviewed in the United States on April 24, 2026
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M.R.
West Palm Beach, US
★★★★★ 5
No more painful cracked heels! These really do work!
Material Type: Black - 3 Pairs, Size: X-Large
These really do work well. This is one of the first winters that I have not experienced painful, cracked heels. They are long lasting, and definitely make my heels smoother and softer after wearing them. For the first few times wearing them I simply went with the moisturizer embedded in them. After a few uses I then covered my heels with Aquaphor Advanced Therapy Healing Ointment. This worked even better, and I would recommend it. I am very glad I bought these. Of note, I have really big feet that are quite wide and the XL are a little snug but not uncomfortably so. I use them overnight, but also have worn them under socks and they work fine.
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Reviewed in the United States on February 3, 2026

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