AT831b

This clip-on lavalier mic provides crisp, full-sounding voice pickup and excels as an instrument mic, especially for pickup of acoustic guitar with included AT8444 guitar adapter. It offers excellent gain before feedback and suppression of background noise. An integral 80 Hz high-pass filter provides easy switching from a flat frequency response to a low-end roll-off. It operates on battery or phantom power.
Clip-on lavalier mic also excels in acoustic guitar applications
Provides crisp, full-sounding voice and instrument pickup
Operates on battery or phantom power
6' (1.8 m) cable permanently attached to mic, TA3F connector at power module

Also available as:
AT831R – with phantom-only power module
AT831c – less power module; includes clothing clip and windscreen only; 10' (3 m) cable, unterminated
AT831cW – less power module; includes clothing clip and windscreen only; 55" (1.4 m) cable terminated with locking 4-pin connector for A-T UniPak™ wireless systems
AT831cT5 – less power module; includes clothing clip and windscreen only; 55" (1.4 m) cable terminated with TA5F connector for ATW-U101 body-pack wireless system

ELEMENT: Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN: Cardioid
FREQUENCY RESPONSE: 40-20,000 Hz
LOW FREQUENCY ROLL-OFF: 80 Hz, 18 dB/octave
OPEN CIRCUIT SENSITIVITY: Phantom: -44 dB (6.3 mV) re 1V at 1 Pa
Battery: -45 dB (5.6 mV) re 1V at 1 Pa
IMPEDANCE: Phantom: 200 ohms
Battery: 270 ohms
MAXIMUM INPUT SOUND LEVEL: Phantom: 135 dB SPL, 1 kHz at 1% T.H.D.
Battery: 121 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical): Phantom: 106 dB, 1 kHz at Max SPL
Battery: 92 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO: 65 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: Off, on-flat, on-roll-off
WEIGHT (MICROPHONE): 0.1 oz (2.8 g)
WEIGHT (POWER MODULE): 4.9 oz (139 g)
DIMENSIONS (MICROPHONE): 0.98" (25.0 mm) long, 0.40" (10.2 mm) diameter
DIMENSIONS (POWER MODULE): 3.31" (84.0 mm) H x 2.48" (63.0 mm) W x 0.87" (22.0 mm) D
OUTPUT CONNECTOR (POWER MODULE): Integral 3-pin XLRM-type
CABLE: 6' (1.8 m) long (permanently attached to microphone), 0.10" (2.6 mm) diameter, 2-conductor, shielded cable with TA3F-type connector
ACCESSORIES FURNISHED: AT8417 clothing clip; AT8444 instrument adapter; AT8531 power module; AT8116 windscreen; battery; protective carrying case
AUDIO-TECHNICA CASE STYLE: M1

AT899

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
9.8' (3.0 m) cable permanently attached to mic, TA3F connector at power module

Also available as:
AT899c – less power module; 55" (1.4 m) cable, unterminated
AT899c-TH – same as AT899c but in "theater" color (beige)
AT899cL4 – less power module; 55" (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; 55" (1.4 m) cable terminated with TA4F connector for Shure wireless systems
AT899cT5 – less power module; 55" (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; 55" (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) 0.02 oz (0.5 g)
WEIGHT (POWER MODULE) 3.6 oz (102 g)
DIMENSIONS (MICROPHONE) 0.63" (16.0 mm) long, 0.20" (5.0 mm) diameter
DIMENSIONS (POWER MODULE) 5.71" (145.0 mm) long, 0.83" (21.0 mm) diameter
OUTPUT CONNECTOR (POWER MODULE) Integral 3-pin XLRM-type
CABLE 9.8' (3.0 m) long (permanently attached to microphone), 0.08" (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
AUDIO-TECHNICA CASE STYLE M29

MT830R

Designed to be worn as a lavalier or hidden in loose clothing or in the hair, the MT830R provides high intelligibility for lecturers, stage/TV performers and singers. The mic’s wide-range capability ensures clean, accurate reproduction. It operates on phantom power only.
Small size provides excellent yet unobtrusive sound pickup
High intelligibility for lecturers, stage/TV performers and singers
Wide-range capability ensures clean, accurate reproduction
25' (7.6 m) cable permanently attached to mic, TA3F connector at power module

Also available as:
MT830c – less power module; 55" (1.4 m) cable, unterminated
MT830c-TH – same as MT830c but in "theater" color (beige)
MT830cT5 – less power module; 55" (1.4 m) cable terminated with TA5F connector for ATW-U101 and Lectrosonics body-pack wireless systems
MT830cT5-TH – same as MT830cT5 but in "theater" color (beige)
MT830cW – less power module; 55" (1.4 m) cable terminated with locking 4-pin connector for A-T UniPak™ wireless systems
MT830cW-TH – same as MT830cW but in "theater" color (beige)
 

ELEMENT Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN Omnidirectional
FREQUENCY RESPONSE 30-20,000 Hz
OPEN CIRCUIT SENSITIVITY -34 dB (19.9 mV) re 1V at 1 Pa
IMPEDANCE 200 ohms
MAXIMUM INPUT SOUND LEVEL 131 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical) 107 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO 70 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS 9-52V DC, 2 mA typical
WEIGHT (MICROPHONE) 0.05 oz (1.3 g)
WEIGHT (POWER MODULE) 1.81 oz (51.4 g)
DIMENSIONS (MICROPHONE) 0.62" (15.8 mm) long, 0.33" (8.5 mm) wide, 0.19" (5.0 mm) thick
DIMENSIONS (POWER MODULE) 3.13" (79.5 mm) long, 0.83" (21.0 mm) diameter
OUTPUT CONNECTOR Integral 3-pin XLRM-type
CABLE 25' (7.6 m) long (permanently attached to microphone), 0.10" (2.5 mm) diameter, 2-conductor, shielded cable with TA3F output connector
ACCESSORIES FURNISHED AT8533 power module; clothing clip; windscreens
AUDIO-TECHNICA CASE STYLE M7