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The BP899 is a low-profile lavalier omnidirectional condenser with terminations for wired or wireless use. The microphone’s wide dynamic range and tolerance for high sound pressure levels ensures intelligible, natural-sounding audio that’s ideal for use by stage and television talent, lecturers, and worship leaders. Low-sensitivity models are also available for theater use. The diaphragm opening is covered by an acoustically transparent, moisture-repellent protective mesh that delivers maximum frequency response and lasting performance.

An included resonance cap can be applied to the microphone to provide even greater intelligibility, and it is designed to direct sweat and other moisture away from the microphone. The two included windscreens each feature a clasp that secures the windscreen to the mic and prevents it from accidently falling off, which can be critical during active use of the microphone for performances or sports. If up-close, directional miking is needed, the BP898 with cardioid capsule is recommended.

The mic’s cable is made of a robust urethane elastomer that provides ultimate flexibility and strength, while resisting abrasion and moisture. The mic comes with a clothing clip that features two strain-relief points that isolate the mic from mechanical noise transferred over the cable.

BP899 Features

  • Maximum intelligibility and clean, accurate reproduction for vocalists, lecturers, stage and television talent, and worship leaders

  • Low-profile design (a mere 5.3 mm in diameter) is ideal for applications requiring minimum visibility

  • Urethane elastomer cable with a double-spiral shield wire provides ultimate flexibility, strength, and resistance to abrasion and moisture

  • Open-diaphragm design with protective mesh that repels sweat and other moisture for maximum frequency response and lasting performance

  • Included resonance caps can be applied to microphone to improve intelligibility

  • Low-sensitivity models available for theater use or other high-SPL applications

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

  • The microphone capsule is housed in a rugged metal structure to shield the electronic circuitry from external electromagnetic noise

  • The signal line of the cable is made of a high-durability CuSn (copper and tin) alloy that greatly enhances corrosion resistance and increases longevity

  • Two included windscreens each feature a clasp that secures the windscreen to the mic, preventing it from blowing off in critical situations, such as at sporting events

  • Clothing clip includes 16 distinct angle adjustments over 360° and two strain-relief clips for easy cable routing

BP899 Specifications

ElementFixed‐charge back plate, permanently polarized condenser
Polar PatternOmnidirectional
Frequency Response20‐20,000 Hz
Low Frequency Roll Off80 Hz, 18 dB/octave (wired only)
Open Circuit Sensitivity-42 dB (7.9 mV) (0 dB=1 V/Pa, 1 kHz)
Impedance250 ohms
Maximum Input Sound Level140 dB SPL (1 kHz at 1% THD)
Noise28 dB SPL (A-weighted)
Dynamic Range112 dB (1 kHz at Max SPL)
Signal-to-Noise Ratio66 dB (1 kHz at 1 Pa, A-weighted)
Phantom Power Requirements11V‐52V DC, 2 mA (wired only)
SwitchesLow cut: on/off
Weight1.2 g (0.04 oz) (Microphone body)
Cable1.4 m (4.6′)
Dimensions17.5 mm (0.69″) long, 5.3 mm (0.21″) diameter (Microphone body)
Output ConnectorTerminated with cW-style locking 4-pin connector, terminated with cH-style screw-down 4-pin connector, unterminated
Accessories IncludedClothing clip base (AT8461a, AT8461a-TH), Windscreens (AT8151a, AT8151a-TH), Resonance caps (AT8150a, AT8150a-TH), Case, Power Module (wired only) (AT8545)

BP899 Warranty & Repair

Audio Technica is committed to customer satisfaction, offering a one-year warranty on all its products. This assurance reflects their confidence in the quality and durability of their audio equipment. Whether you’re investing in headphones, microphones, , you have peace of mind for a full year.


With Audio Technica’s one-year warranty, you’re protected against unexpected defects and malfunctions, ensuring a worry-free audio experience. Their dedication to quality and craftsmanship shines through in every product they offer. Trust in Audio Technica for reliable and long-lasting audio solutions, backed by a generous warranty.

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