Audio-Technica’s omnidirectional AT899 is engineered for intelligible, accurate voice reproduction. Its low-profile design (a mere 5 mm in diameter) assures minimum visibility. The mic may be worn as a lavalier and is easily hidden in clothing or hair. It offers the convenience of battery or phantom power; its switchable low-frequency roll-off reduces popping.

Maximum intelligibility and clean, accurate reproduction for vocalists, lecturers, stage and television talent, and houses of worship

Low-profile design (a mere 5 mm in diameter) is ideal for applications requiring minimum visibility

Operates on battery or phantom power

All wireless models available in either low-reflectance black or beige

Extensive array of provided accessories includes a clothing clip, viper clip, magnet clip and lanyard (black models only), windscreens, element covers, interchangeable single and double mic holders

Accessories available separately include complete accessory kits, clothing clips, three-pack element covers and three-pack windscreens

3.0 m cable permanently attached to mic, TA3F connector at power module

RoHS compliant—free from all substances specified in the EU directive on hazardous substances

Also available as:
AT899c – less power module; 1.4 m cable, unterminated
AT899c-TH – same as AT899c but in "theater" color (beige)
AT899cL4 – less power module; 1.4 m cable terminated with Lemo connector for Sennheiser SK wireless systems
AT899cL4-TH – same as AT899cL4 but in "theater" color (beige)
AT899cT4 – less power module; 1.4 m cable terminated with TA4F connector for Shure wireless systems
AT899cT5 – less power module; 1.4 m cable terminated with TA5F connector for ATW-U101 body-pack wireless system
AT899cT5-TH – same as AT899cT5 but in "theater" color (beige)
AT899cW – less power module; 1.4 m cable terminated with locking 4-pin connector for A-T UniPak™ wireless systems
AT899cW-TH – same as AT899cW but in "theater" color (beige)


ELEMENT Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN Omnidirectional
FREQUENCY RESPONSE 20-20,000 Hz
LOW FREQUENCY ROLL-OFF 80 Hz, 12 dB/octave
OPEN CIRCUIT SENSITIVITY Phantom: -43 dB (7.0 mV) re 1V at 1 Pa Battery: -46 dB (5.0 mV) re 1V at 1 Pa
IMPEDANCE Phantom: 200 ohms Battery: 250 ohms
MAXIMUM INPUT SOUND LEVEL Phantom: 138 dB SPL, 1 kHz at 1% T.H.D. Battery: 116 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical) Phantom: 108 dB, 1 kHz at Max SPL Battery: 86 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO 64 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS 11-52V DC, 2 mA typical
BATTERY TYPE 1.5V AA/UM3
BATTERY CURRENT / LIFE 0.4 mA / 1200 hours typical (alkaline)
SWITCH Flat, roll-off (recessed)
WEIGHT (MICROPHONE) 0.5 g
WEIGHT (POWER MODULE) 102 g
DIMENSIONS (MICROPHONE) 16.0 mm long, 5.0 mm diameter
DIMENSIONS (POWER MODULE) 145.0 mm long, 21.0 mm diameter
OUTPUT CONNECTOR (POWER MODULE) Integral 3-pin XLRM-type
CABLE 3.0 m long (permanently attached to microphone), 2.0 mm diameter, 2-conductor, shielded cable with TA3F output connector that mates with TB3M jack on power module
ACCESSORIES FURNISHED AT8537 power module; AT8439 cable clip; clothing clip base; viper clip base; magnet clip base and plate with lanyard; three single mic holders; two double mic holders; two element covers; two windscreens; battery; protective carrying case

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