The ATM73cW Cardioid Condenser Headworn Microphone from Audio-Technica is a head-worn microphone ideal for drummers, keyboard players and anyone in need of hands free microphone operation. The comfortable, unobtrusive headband design features a side-of-mouth pickup. The cardioid polar pattern improves isolation of the desired sound source while minimizing off-axis noise and feedback. The microphone features a 55" permanently attached miniature cable terminated with a locking 4-pin cW-style connector for complete compatibility with Audio-Technica cW-style wireless bodypack transmitters.

Locking 4-Pin cW-Style Connector    For cW-Style Bodypack Transmitters    40 Hz to 15 kHz Frequency Response    55" Cable Length    Includes Windscreens

Ideal for drummers, keyboard players or anyone requiring hands-free operation

Comfortable, unobtrusive headband design with side-of-mouth pickup

The microphone is terminated with a locking 4-pin cW-style connector for complete compatibility with Audio-Technica UniPak transmitters

Cardioid polar pattern improves isolation of desired sound source

Related Questions and Answers

Q: 1. Can this be used as a replacement microphone on for an existing wireless system? (ta3 style connector on the existing system's body pack)

A: The Audio-Technica AT831b Cardioid Condenser Lavalier Microphone can be connected directly to a wireless bodypack transmitter with a TA3 style mini-XLR input connector that is capable of supplying the proper amount of voltage needed to power the mic. The specs list the power requirement for the AT831b as 11 to 52V.

Q: 2. Hello. I wonder how noisy it is? How does it work for recording low volume stuff?

A: The AT2021 Cardioid Condenser Microphone is designed for general instrument capturing, vocals, amplifier cabinets, and similar applications. It's signal to noise ratio is 75db and has a max SPL of 145db. It features a Cardioid polar pattern, reducing sound pickup from the sides and rear, improving isolation of the desired sound source.

Q: 3. Does this microphone have GSM or cell phone interference? I have the AT803b, and I get interference from GSM cell phones near the microphone.

A: I haven't noticed cell interference, but it does have a ton of handling noise. Even the faintest fabric rustle is pretty noticeable.

Q: 4. I'm looking for the best possible lavalier microphone for professional videography. I currently have an NTG3 Rode Shotgun Mic, so I'd want to match that quality with a lavalier that can be used on a ursa mini 4k with XLR inputs, wireless to the lavalier location. I'd appreciate any suggestions for budget and best for price, what do the experts think?

A: I have a rode NTG2 and this mic. I just used it on a documentary I filmed with a Sony NX5U and it sounded great and I got several comments on the audio quality. I have had mu eye on the URSA Mini, what are your thoughts on the URSA, would you recommend it?

Q: 5. Hi, since this mic is no longer availbile, which would be a similar mic?

A: The AKG P170 (B&H #AKP170B) could be considered quite similar to the Audio-Technica AT2021 Cardioid Condenser Microphone.

Q: 6. Do I need an adapter to use this microphone with my Sennheiser EG-2 transmiter?

A: Yes. This 4-pin connector style (ch) is not compatible with Sennheiser transmitter bodypacks.

Q: 7. If I get a female XLR to male 1/8 cable, will this work with the Rode Wireless pro?

A: The Audio-Technica AT831b Cardioid Condenser Lavalier Microphone could be connected to the Rode Wireless Pro transmitter using a female XLR to locking 3.5mm cable such as B&H #SECM1.

Q: 8. Can I connect the AT 831B ( with the power supply module ) in an acoustic guitar amp with a XLR input and already providing a phantom power of 16 V?

A: The AT831B can operate on phantom power ranging from 9-52 volts and also using battery. There would be no issue connecting to a device that provides 16V phantom via XLR.

Q: 9. I have a Tascam DR-701R that provide phantom power, so still I need piut the Battery in the AT831B?

A: It is battery or phantom. So you can run it with the phantom power on your DR-701, or if you would like to save some battery power on your DR-701, you can run the AT831B on battery power.

Q: 10. Where can I get a wind cover for this microphone?

A: Auray - Fuzzy Windbuster for Lavalier Microphones (Black) B&H# AUWLW