Low profile and nearly invisible, it delivers maximum intelligibility and clean, accurate reproduction.

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Audio-Technica AT899 Subminiature Cardioid Condenser Lavalier Microphone Features:

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

Audio-Technica AT899 Subminiature Cardioid Condenser Lavalier Microphone Specifications:

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 (6.3 mV) re 1V at 1 Pa
Battery: 46 dB (5.6 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 SPL, 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)
Weight (microphone): 0.02 oz. (0.9 g)
Weight (power module): 3.6 oz. (102 g)
Dimensions (microphone): 0.63" (16 mm) long, 0.20" (5.00 mm) diameter
Dimensions (power module): 5.71" (145 mm) long, 0.83" (21.0 mm) diameter
Output connector: 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 carryin
Audio-Technica case style: M29