MMA-A Digital Audio Interface
The MMA-A Digital Audio Interface is a high-quality, dual-channel microphone preamplifier and A/D converter that captures crystal-clear audio via your favorite recording / broadcasting apps. The MMA-A can be used together with all DPA microphones that have a MicroDot connector.
Features
- Dual-channel audio capture
- Pocket-sized
- Works with iOS devices, Mac or PC
- Easy to use and store settings with the exclusive DPA App
- Compatible with a range of recording / broadcasting apps
- Works with all DPA mics with a MicroDot connector
Description
Built on Earth, tested on Mars
NASA’s Mars 2020 Rover took off on July 30, 2020 for a seven-month journey to the mysterious Red Planet. It touched down successfully on February 18, 2021 with a DPA 4006 Omnidirectional, an MMA-A Digital Audio Interface and an MMP-G Modular Active Cable in tow.
Learn more about how this amazingly durable off-the-shelf solution survived the rigors of space travel and the harsh life on Mars.
This flexibility allows any content creator to use the equipment for unexpected situations that might arise during the day. Whether it be a two-channel interview situation or a session of stereo recording ambience sound, the MMA-A makes it easier for you to do your job.
At about two inches in diameter, the MMA-A is ultra-compact, easily fitting in your pocket. It provides best-in-class audio quality and is controlled through a remote application on any iOS device. An exclusive DPA app is available for download from the Apple® App store. The app allows you to store gain settings and low-cut filters for ongoing and future personalized use in dedicated presets. Third-party applications can be used to accomplish specific tasks, including but not limited to, live broadcast and high-quality recordings.
The MMA-A comes with one Micro USB-B to iOS (Lightning) and one Micro USB-B to PC / Mac (USB-A) cable. Its MicroDot inputs allow it to be connected to all DPA miniature microphones, including the Lavalier Miniature, Headset Headset, Instrument and even the Pencil Recording microphones with the optional MMP-G preamp.
Tech Specs
| Total harmonic distortion (THD) |
THD < -100 dB, 0.001% @ 1 kHz @ -10 dBFs |
| Noise floor |
-114 dBFS, A-weighted |
| Frequency range |
20-22 kHz ±0.2 dB (Fs = 48 kHz); 20-40 kHz ±0.2 dB (Fs = 96 kHz) |
| Dynamic range |
Typ. 114 dB |
| Current consumption |
< 100 mA |
| Supported sample rates |
44.1, 48 (default), 88.2, 96 kHz, Sample rates can be set by 3rd-party app |
| Resolution |
24 bit |
| Filter (low cut / high pass) |
2. Order @ 80 Hz, individual per channel |
| Weight |
50 g (1.8 oz) |
| Diameter |
56 mm (2.2 in) |
| Temperature range |
0°C to 45°C (32°F to 113°F) |
Typical response of a 4560 Binaural Headset Microphone
Typical directional characteristics of a 4560 Binaural Headset Microphone