Azden SMX-30V Stereo/Mono Mixable Video Microphone

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MFR #: SMX-30V

Brand: Azden


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Azden SMX-30V Stereo/Mono Mixable Video Microphone


Stereo/Mono Mixable Video Microphone

With the SMX-30V, Azden takes their innovation of a switchable stereo/mono microphone to another level by incorporating a mixing dial. The first video microphone of its kind, the SMX-30V lets the user choose from using 100% of the stereo microphone, 100% of the mono-shotgun microphone, or any mix in between. Recording a dialogue scene but want to incorporate some of the environment’s ambience? Mix in a little of the stereo microphone. Recording a musical performance but want to tighten up the center stereo image? Mix in some audio from the mono-shotgun microphone. The possibilities are endless!

A Dual Microphone With Complete Control

The SMX-30V is like having a stereo microphone, a shotgun microphone and an audio mixer all combined into one unit. To achieve this, there are three microphone elements in total: two located at the top, angled at 90º for capturing a realistic stereo image, and one inside a 4.5-inch long interference tube for directional audio capture. Combined with a stepless mixing knob, you have complete control over how much signal from each microphone to send to your camera.

Swiveling Shock-Mount

>Another unique feature on the SMX-30V is the swiveling shock-mount, which enables rotation of the microphone 30º to the left or right. This is a handy feature any time your sound source is not centered in-frame, allowing you to aim the microphone at your subject, thereby getting the most direct sound possible. In addition, the mount itself is designed to absorb vibrations and isolate the microphone from handling noise. The bottom of the mount allows for attachment to a standard camera cold-shoe slot, or via a ¼”-20 threaded stud.

Isolating Shock Mount

Made from a virtually unbreakable composite material, the shock mount effectively isolates the microphone from the vibrations created by handling a camera. Designed to mount on top of a camera’s cold shoe, a threaded ¼”-20 tap is also available for boompole and accessory bar mounting.

Improved Battery Life

Battery life in the SMX-30V has been improved over the previous model to last up to 100 hours on a pair of alkaline AA batteries.

Detachable Output Cable

Audio output via a 3.5 mm mini-jack provides flexibility to connect various third party audio cables. A high-quality, coiled microphone output cable is included with the microphone.

Low-Cut Filter

When engaged, the Low-Cut Filter (or High-Pass Filter) reduces low-frequencies which can be helpful in mitigating low-frequency noise from sources such as HVAC systems, wind or passing cars.

Auto Power

Setting to AUTO will turn the microphone on and off with your camera automatically, saving you from losing a great take and conserving battery.

3-Step Gain Control

The 3 step gain control has +20 dB, 0 and -10 dB settings. Adding 20 dB of gain to the microphone output is a great way to overcome noisy mic preamps, or to simply boost quiet audio. Reducing the gain by 10 dB is most useful to protect against distortion in loud environments.


  • For Videographers and Vloggers
  • Stereo/Mono Capture with Stepless Mixing
  • 100-Hr Run Time via AA Batteries
  • 3-Step Gain and Bass Roll-Off Controls
  • Coiled 3.5mm TRS Output Cable
  • Manual/Auto Power Modes
  • Compact and Lightweight
  • Windscreen Reduces Wind Noise
  • Integrated Swiveling Shockmount
  • Mounts on Camera Shoe or Tripod


Microphone Form Factor:
Microphone Sound Field:
Mono, Stereo
Microphone Stereo/Surround Configuration:
Microphone Operating Principle:
Pressure Gradient
Microphone Capsule:
3 x Condenser
Microphone Polar Pattern:
Cardioid, Supercardioid
Microphone Pattern Selection:
Continuously Variable (Adjustable on Mic)
Microphone Orientation:
End Address
Microphone Circuitry:
Microphone Pad:
Microphone High-Pass Filter:
60 Hz, 3 dB/Octave
Microphone Tone Adjustment:
Microphone Gain Adjustment:
10 to +20 dB
Microphone Indicators:
1 x Red Single LED (Power)
Microphone On-Board Controls:
Gain, Polar Pattern, High-Pass Filter, On/Off
Microphone Windscreen:
Foam (Included)
Performance Frequency Range:
40 Hz to 20 kHz
Performance Maximum SPL:
126 dB SPL (1 kHz, 1% THD)
Performance Impedance:
75 Ohms
Performance Sensitivity:
-38 dB at 1 kHz
Performance Output Level:
10.2 dBu (Max)
Performance Dynamic Range:
118 dB
Performance Signal-to-Noise Ratio:
82 dB (1 kHz)
Connectivity Output Connectors (Analog):
1 x 1/8" / 3.5 mm TRS Female (on Mic)
Connectivity Headphone Connector:
Power Operating Voltage:
3 V (Battery Power)
Power Battery Type:
2 x AA
Power Approximate Battery Life:
100 Hours
Physical Mounting:
1/4"-20 Female, Camera/Shoe-Mount, Shockmount (via | Integrated Hardware)
Physical Dimensions:
H: 4.4 x W: 1.9 x L: 6.1"
Physical Weight:
5.6 oz

In The Box

  • Azden SMX-30V Stereo/Mono Mixable Video Microphone
  • Foam Windscreen
  • 3.5mm TRS Audio Cable
  • Carrying Pouch
  • Limited 2-Year Warranty, Extendable to 10 Years upon Online Registration within 90 Days
  • Customer Reviews