Azden SMX-30 Stereo/Mono Switchable Microphone

Azden SMX-30

Stereo/Mono Switchable Video Microphone

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 Azden SMX-30 Stereo/Mono Switchable Video Microphone

Azden SMX-30 Stereo/Mono Switchable Microphone
Product Code:SMX-30
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Microphone Review
Brochure Azden SMX-30

Won the best Microphone in in 2016

The Azden SMX-30 is a mono/stereo switchable video mic that has a robust build and performs well for its price. It can record both mono and stereo by offering two separate capsules for switchable function. Have some dialogue to capture? Put it in mono mode and you will have a camera-mounted super-cardioid shotgun mic. Need to capture the atmosphere for your scene to come alive? Switch it to stereo mode and you’ll record a stereo image with 120 degrees of coverage via two cardioid mics working in tandem. Congratulations to Azden with the SMX-30, Videomaker’s Best Microphone of 2016.

Key Features:

• You can control microphone using your camera, when camera turn on/off the microphone does the same.

The SMX-30 was engineered to be the ultimate video microphone with outstanding audio quality, appealing design, ergonomic form factor, and all of the functional features one expects in a top-of-the-line, camera-mounted microphone.

Stereo or Mono? Why Choose?
If you only have the budget to buy one microphone for your camera, why should you have to choose between mono or stereo? The SMX-30 is stereo/mono switchable, so you don’t have to.

Housed inside an innovative casing, the SMX-30 is actually two microphones packaged into one. The stereo microphone is positioned at the top and consists of 2 cardioid polar pattern microphone elements spaced apart at a 120º angle for capturing a natural sounding stereo image. The mono microphone uses a super-cardioid polar pattern to focus on sound in front of the camera and is equipped with the same high-quality element as Azden’s SGM-250 shotgun microphone to record broadcast quality sound.

Gain Control
The audio controls on DSLR cameras are limited, if they exist at all. And DSLRs are notoriously known to have low-quality microphone preamps that add noise to the video soundtrack when the gain is turned up. That’s why Azden designed the SMX-30 with a +20dB gain booster; so you can get a strong, clean audio signal into your camera, minimizing the need to turn up the noisy preamp.

Also included is a -10dB pad to protect against distortion when recording in loud environments such as live concerts and motorsport events.

Frequency Response
The SMX-30 has a wide frequency response ranging from 40Hz to 20kHz, so the audio you capture will sound full and natural. Additionally, a low-cut filter switch is included for reducing the level of low frequencies below 120Hz, which is especially useful for mitigating noise caused by air conditioners, wind and traffic.

The SMX-30 is powered by two AA batteries; a lower cost option than the 9V battery that is used in some competitor microphones. The SMX-30 can achieve 24 hours of operation with a single set of batteries with absolutely no degradation of sound quality. The battery indicator LED light lets you know when it’s time to change batteries with up to a 1 hour warning.

Maximize battery life by using the unique “Auto” power setting. When set to Auto, the SMX-30 can detect when a camera is on and will automatically power on and off with the camera (requires a mic input that provides plug-in power). Ever leave your microphone on by accident to discover that the batteries are dead the next time you try to use it? Eliminate that possibility by always leaving the SMX-30 in “Auto” mode.

Integrated Shock Absorbing Shoe Mount
Integrated into the design of the SMX-30 is a custom made, shock absorbing shoe mount to isolate the microphone from camera motor and handling noise. The mount is designed to fit the standard camera shoe and comes with a ¼”-20 thread at the bottom for mounting to boom poles and other camera accessories.

- Stereo and mono recording modes
- Level adjustment: -10dB, 0dB, +20dB
- +20dB gain booster alleviates noise produced by low-quality camera preamps
- -10dB pad for loud sound environments
- Low-cut filter selectable at 120Hz, 3dB/octave
- Operates on (2) AA batteries
- Low noise, high sensitivity, wide frequency response
- 10 year warranty with registration
- Custom, detachable foam windscreen
- Integrated shock-absorbing shoe-mount with 1/4”-20 thread
- Battery indicator LED light
- 3.5mm stereo mini-jack output

Technical Specs:
Polar Pattern: Mono: Super-Cardioid, Stereo: Cardioid (120º)
Freq Resp: 40Hz - 20kHz
Sensitivity: -36dB @ 1kHz
Dyn Range: 118dB
S/N Ratio: 82dB, 1kHz@1Pa
Max Input Level: 130dB SPL (1kHz@ 1% T.H.D.)
Max Output Level: +6.2dBu
Output Imp: 50Ω
Power Req: AA batteries x2
Output Conn: 3.5mm Stereo mini plug
Power Switch: Off, Battery, Auto
Gain Control: -10dB, 0dB, +20dB
LCF: 120Hz, 3dB/octave
Dims: 47mm x 107mm x 145mm
Weight: 145g

Model SMX-30 DM-Ei DMW-MS2 ME-1 ECM-CG50 VP83 Video Mic Pro
Polar pattern  Shotgun / stereo 120 degree Shotgun stereo 90/120 degree Shotgun / stereo 120 - Shotgun Shotgun Shotgun
Power AA battery CR2023 From camera From camera From camera AA battery 9V battery
Frequency 20Hz-20kHz 50Hz-15kHz 70-15kHz 40-20kHz 50-20kHz 40-20kHz 40-20kHz
Sensibility -36dB -42dB -35dB -42dB -48dB -36.5dB -40dB
S/N 82dB < 66dB 70dB 60dB< - - -
Windscreen Standard Standard Standard Standard Standard Standard Standard
Gain adjustment Yes -10dB, 0dB, +20dB No No No No Yes Yes -10dB, 0dB, +20dB
Dimension (mm) 47x107x145 29x82x130 30x91x214 38x79x100 260 43x84x150  
Weigth (g) 145 110 133 93 85 133  

Azden SMX-30 Superior Points against all
1. Gain Adjutment

SMX-30 have microphone gain selection +20dB,0dB and -10dB. The +20dB is really good feature to bypass camera preamp function. Camera preamp quality is not good. Increasing the audio level on camera increase the white noise. The boosted 20dB audio level from SMX-30 bypass the camera preamp. It provides clean and low noise sound.

2. Supported batteries
AA battery is generally available and easy to buy.

3. Frequency
Wider frequency leve from 20Hz to 20kHz allow you to record all kinds of sound.

4. Output impedance
Ours is 50 ohm. This impedance is not limited audio input to camera but all any recording devices.

5. High S/N
Signal/Noise ratio, higher value is better. Our value is best in this class of microphone.

6,Convenient feature such as Shotgun/Stereo (120 degree angle) switchable, Auto power etc
Indoor shooting, sound is bouncing inside of room. To catch the sound source clearly, shotgun mode is so useful. Meanwhile, outside, vivid natural sound is so valuable. To get such natural environment sound , stereo mode is so useful. On the spot, SMX-30 can change the mode.

Auto power off mode is really useful feature. Camera shooter is so busy. Sometime may forget to switch off the microphone power. After passing a few days, badely the microphone power run out. But SMX-30 auto power mode, it switch off the mic power when camera switch off. It can avoid of microphone battery die.

New ly developed shock-mount holder can bypass camera touch noise and motor oscillating sound etc. The shoe mount holder bottom adapt quoter inch screw hole to connect with microphone stand, boom pole etc.

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