
Azden SMX-30II: Guide
For the stated surveillance role, Azden SMX-30II Two-channel/Mono Switchable Footage Microphone is a battery-powered microphone with standalone two-channel and shotgun-style microphone units that can be switched between mono and two-channel capture settings. It can be employed to produce pro-quality audio for DSLRs and other space-efficient cameras in uses for interview work, weddings, briefings, and additional.
Azden SMX-30II Housed inside an novel casing,is two mics packaged into one. The two-channel microphone is placed at the top and consists of two cardioid polar patterns spaced apart at a 120° angle. The mono microphone uses a supercardioid polar response to focus on audio in front of the unit. It has the same high-quality component as Azden's SGM-250 shotgun microphone.
Through the built-in +20 dB gain booster to get a strong clean audio feed into your body, the Azden SMX-30II minimizes the requirement to turn up noisy preamps usually associated with DSLRs, and additionally incorporates a -10 dB pad to safeguard against distortion whenever recording in loud settings such as live concerts and motorsport productions.
Furthermore, the microphone has a wide frequency response of 40 Hz to 20 kHz and has a full, lifelike audio. There is a low-cut filter selector for reducing low frequencies below 120 Hz, which is valuable for mitigating interference caused by air conditioners, wind, and traffic.
Energized by two AA batteries, you operates the SMX-30 microphone for approximately 24 hour period with no degradation of audio quality. The battery-indicator LED illumination lets you know whenever it's time to change battery packs with up to a 1-hour warning beforehand.
Finally, a built-in shock-absorbing shoe fitting isolates the Azden SMX-30II microphone from camera-motor/handling interference. The mount is developed to integrate the conventional camera shoe and ships with 1/4"-20 threads at the bottom for installation to boom poles and other unit accessories. A sponge windscreen and a transport pouch are additionally included.
Azden SMX-30II Provides
Two-channel or Mono? Why Choose?
If you only deliver the budget to purchase one microphone for your body, why should you deliver to choose between mono and two-channel? The Azden SMX-30II is two-channel/mono switchable.
Gain Control
The audio settings on DSLR bodies are limited, if they exist at all. And DSLRs are notoriously known to deliver low-quality microphone preamps that attach noise to the footage soundtrack whenever the gain is turned up. Azden's SMX-30 has a +20 dB gain booster so you can get a strong, clean audio feed into your body, minimizing the requirement to turn up the noisy preamp.
Frequency Response
The SMX-30 has a wide frequency response spanning from 40 Hz to 20 kHz, so the audio you acquisition will audio full and lifelike.
Power
Energized by two AA battery packs, which is a lower-cost option than the 9V battery employed in some competitor mics, the SMX-30 is capable of reaching 24 hours of operation with a one set of battery packs with absolutely no degradation of audio quality.
Maximize Battery Life
Maximize battery life by through the unique "Auto" power setting. Whenever location to Auto, the SMX-30 can detect whenever a body is on and will without manual intervention power on and off with the body (requires a mic source that supplies plug-in power). Ever leave your microphone on by accident to discover that the battery packs are dead the next time you try to use it? Eliminate that ability by always leaving the SMX-30 in "Auto" setting.
Integrated Isolating Shoe Mount
Integrated into the configuration of the SMX-30 is a custom-made, isolating shoe fitting to isolate the microphone from camera-motor/handling interference.
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Azden SMX-30II Specs
| Form Factor | Camera-Mount |
| Sound Field | Mono, Stereo |
| Capsule | Electret Condenser |
| Polar Pattern | Cardioid, Supercardioid |
| Pattern Selection | Switched (Adjustable on Mic) |
| Orientation | End Address |
| Circuitry | Solid-State |
| Pad | -10 dB |
| High-Pass Filter | 120 Hz, 3 dB/Octave |
| Gain Adjustment | +20 dB |
| Indicators | 1 x Red Single LED |
| On-Board Controls | Polar Pattern, High-Pass Filter, Pad, On/Off |
| Windscreen | Foam (Included) |
| Frequency Range | 40 Hz to 20 kHz |
| Maximum SPL | 130 dB SPL |
| Impedance | 50 Ohms |
| Sensitivity | -36 dB at 1 kHz |
| Output Level | 6.2 dBu |
| Dynamic Range | 118 dB |
| Signal-to-Noise Ratio | 82 dB (1 kHz) |
| Output Connectors (Analog) | 1 x 1/8" / 3.5 mm TRS (on Mic) |
| Operating Voltage | 3 V (Battery Power) |
| Battery Type | 2 x AA |
| Approximate Battery Life | 24 Hours |
Physical
| Color | Black |
| Mounting | Camera/Shoe-Mount (via Integrated Hardware) |
| Mounting Thread Size | 1/4"-20 Female |
| Dimensions | ø: 1.85 x H: 4.21L: 5.71" / ø: 47 x H: 107L: 145 mm |
| Weight | 5.11 oz / 145 g |
Key Features
- Stereo and Mono Recording Modes
- 40 Hz to 20 kHz Frequency Response
- -10, 0, and +20 dB Level Adjustment
- 120 Hz Low-Cut Filter
- Integrated Shockmount
- 3.5mm TRS Output
- Operates on Two AA Batteries
- Includes Foam Windscreen & Carry Pouch