The Audio-Technica BP899 Subminiature Omnidirectional Condenser Lavalier Microphone provides professional-grade audio capture in a subminiature form factor.
The Audio-Technica BP899 Subminiature Omnidirectional Condenser Lavalier Microphone is a high-performance audio capture solution designed for minimum visibility and maximum intelligibility. This low-profile condenser microphone serves stage and television talent, lecturers, and worship leaders by delivering natural-sounding audio across a wide dynamic range. The subminiature design ensures discreet placement while maintaining professional-grade audio reproduction for both wired and wireless applications.
The BP899 features a subminiature diameter of only 5.3 mm, making it an ideal choice for applications requiring minimum visibility. The microphone capsule is housed in a rugged metal structure designed to shield the electronic circuitry from external electromagnetic noise. To ensure lasting performance, the diaphragm opening is covered by an acoustically transparent, moisture-repellent protective mesh that maintains maximum frequency response while repelling sweat and other moisture.
Audio-Technica utilizes a urethane elastomer cable with a double-spiral shield wire to provide flexibility, strength, and resistance to abrasion and moisture. The internal signal line is constructed from a high-durability CuSn (copper and tin) alloy. This material choice significantly enhances corrosion resistance and increases the overall longevity of the cable assembly.
As an omnidirectional condenser microphone, the BP899 offers a wide dynamic range and high tolerance for sound pressure levels (SPL). These attributes ensure clean, accurate reproduction for vocalists and public speakers. Users can apply the included resonance caps to the microphone to specifically improve speech intelligibility based on the environment. Low-sensitivity models are also available for specialized theater use or high-SPL applications.
The BP899 includes a versatile clothing clip featuring 16 distinct angle adjustments over a full 360° range. Two strain-relief clips are provided to assist with organized cable routing. For outdoor or high-movement use, the package includes two windscreens equipped with integrated clasps. These clasps secure the windscreens to the microphone body to prevent them from blowing off during critical situations such as sporting events.
The Audio-Technica BP899 is RoHS compliant. The manufacturing process ensures the product is free from all hazardous substances specified in the EU directive on hazardous substances.
| Element | Fixed-charge back plate, permanently polarized condenser |
| Polar Pattern | Omnidirectional |
| Frequency Response | 20-20,000 Hz |
| Low Frequency Roll Off | 80 Hz, 18 dB/octave (wired only) |
| Open Circuit Sensitivity | BP899: -42 dB (7.9 mV) (0 dB=1 V/Pa, 1 kHz); BP899L: -48 dB (3.9 mV) (0 dB=1 V/Pa, 1 kHz) |
| Impedance | 250 ohms (wired only) |
| Maximum Input Sound Level | BP899: 140 dB SPL (1 kHz at 1% THD); BP899L: 146 dB SPL (1 kHz at 1% THD) |
| Noise | BP899: 28 dB SPL (A-weighted); BP899L: 34 dB SPL (A-weighted) |
| Dynamic Range | 112 dB (1 kHz at Max SPL) |
| Signal-to-Noise Ratio | BP899: 66 dB (1 kHz at 1 Pa, A-weighted); BP899L: 60 dB (1 kHz at 1 Pa, A-weighted) |
| Phantom Power Requirements | 11V-52V DC, 2 mA (wired only) |
| Switches | Low cut: on/off (wired only) |
| Weight | 1.2 g (0.04 oz) (Microphone body) |
| Cable | 1.4 m (4.6') |
| Dimensions | 17.5 mm (0.69") long, 5.3 mm (0.21") diameter (Microphone body) |
| Output Connector | Screw-down 4-pin cH-style connector (wired only) |
| Accessories Included | Black-colored models: AT8461a clothing clip base, AT8151a windscreens, AT8150a resonance caps, case; Beige-colored (-TH) models: AT8461a-TH clothing clip base, AT8151a-TH windscreens, AT8150a-TH resonance caps, case |
| Length | 5.98 In. |
|---|---|
| Width | 4.21 In. |
| Height | 1.57 In. |
| Weight | 0.8 lbs |
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