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Azden SMX-30 Stereo – Mono Switchable Video Microphone

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The SMX-30 Stereo/Mono Switchable Video Microphone: 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.
  • Power: 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

Specifications

  • 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

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