Audio-Technica BP894c
Subminiature Cardioid Condenser Headworn Microphone with Bare End without Power Module in Black


The BP894c MicroSet® earset microphone offers the ultimate in low-profile, high-performance audio.
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Our Price: $339.00
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Audio-Technica BP894c
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The BP894c MicroSet® earset microphone offers the ultimate in low-profile, high-performance audio. The BP894 features a rotating capsule housing with talk-side indicator for use on either ear and perfect polar pattern placement. The MicroSet BP894 takes headworn microphones to the next level, by allowing the cardioid capsule to be aimed directly at the sound source. The uniform pickup pattern provides excellent rejection of outside noise, with exceptional gain-before-feedback when used with live sound systems and stage monitors.

Delivering clear and accurate sound in an inconspicuous package, the ultra-lightweight BP894 hooks securely behind either ear and can be worn for hours witout fatigue.


  • Features a rotating capsule housing with talk-side indicator for use oneither ear and perfect polar pattern placement
  • Provides superior intelligibility and clean, accurate reproduction for themost demanding house of worship user, lecturer, broadcaster or theaterperformer
  • Handles high sound pressure levels with ease
  • Extremely intelligible natural audio
  • Inconspicuous, lightweight headset with capsule diameter of just 2.8 mm isideal for applications requiring minimum visibility
  • Ergonomic under-ear design—flexible, lightweight contoured loop hooksbehind the ear for an ultra-secure, comfortable fit with or without glasses
  • Comes equipped with AT8464 Dual-Ear Microphone Mount that converts singleear-worn MicroSet to a dual-ear-worn unit for maximum stability and comfort
  • High-pass filter on power module provides a steep low-frequencyattenuationto improve sound pickup without affecting voice quality


  • Element: Fixed-charge back plate, permanently polarized condenser
  • Polat Pattern: Cardioid
  • Frequency Response: 20-20,000 Hz
  • Low-Frequency Roll-off: 80 Hz, 18 dB/octave (wired only)
  • Open Circuit Sensitivity: –49 dB (3.5 mV) re 1V at 1 Pa
  • Impedance: 250 ohms (wired only)
  • Maximum Input Sound Level: 135 dB SPL, 1 kHz at 3% T.H.D.
  • Dynamic Range(typical): 104 dB, 1 kHz at Max SPL (wired only)
  • SIGNAL-TO-NOISE Ration: 63 dB, 1 kHz at 1 Pa
  • Phantom Power requirements: 11-52V DC, 2 mA typical (wired only)
  • Switch: Flat, roll-off (wired only)
  • Current Consumption: 0.1 mA typical at 5V (wireless only)
  • Voltage Range: 2.5-11V (wireless only)
  • Weight (Microphone): Microphone, boom & earpiece: 0.07 oz
  • Weight (Power Module): 3.0 oz (wired only)
  • Dimensions
    • Microphone: 0.26"(L) x 0.11" diameter
    • Boom: 4.23"(L) x 0.04" diameter
  • Dimensions (Power Module): 3.84"(L), x (0.74") diameter (wired only)
  • Cable: 1.4 m (55") long (permanently attached to microphone), 1.6 mm(0.06") diameter, 2-conductor shielded cable
  • Accessories furnished: AT8464 dual-ear microphone mount; AT8440cable clip; two AT8163 windscreens; moisture guard; carryingcase

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