Audio-Technica BP894cT4-TH MicroSet Cardioid Earset Microphone (Beige/Shure TA4F)


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Dale #:AUDI-BP894CT4TH

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  • Beige, terminated for Shure wireless systems using TA4F connector. Audio-Technica’s innovative BP894 MicroSet® 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. For maximum stability and comfort, the included AT8464 dual-ear microphone mount converts the MicroSet to a dual-ear-worn unit.


    • Rotating capsule housing with talk-side indicator for use on either ear and perfect polar pattern placement
    • Provides superior intelligibility and clean, accurate reproduction for the most demanding house of worship user, lecturer, broadcaster or theater performer
    • Handles high sound pressure levels with ease
    • Extremely intelligible natural audio
    • Inconspicuous, lightweight headset with capsule diameter of just 2.8 mm is ideal for applications requiring minimum visibility
    • Ergonomic under-ear design—flexible, lightweight contoured loop hooks behind the ear for an ultra-secure, comfortable fit with or without glasses
    • Comes equipped with AT8464 Dual-Ear Microphone Mount that converts single ear-worn MicroSet to a dual-ear-worn unit for maximum stability and comfort
    • High-pass filter on power module provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
    • Available in black and beige, wired and wireless models

    Fixed-charge back plate, permanently polarized condenser
    POLAR PATTERN Cardioid
    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 RATIO 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: 2.0 g (0.07 oz)
    WEIGHT (POWER MODULE) 85 g (3.0 oz)
    (wired only)
    DIMENSIONS Microphone: 6.5 mm (0.26) long, 2.8 mm (0.11) diameter
    Boom: 107.4 mm (4.23) long, 1.09 mm (0.04) diameter
    DIMENSIONS (POWER MODULE) 97.6 mm (3.84) long, 18.9 mm (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 with locking 4-pin connector (wired only)
    ACCESSORIES FURNISHED BP894: AT8539 power module (wired only); AT8464 dual-ear microphone mount; AT8440 cable clip; two AT8163 windscreens; moisture guard; belt clip (wired only); carrying case
    BP894-TH: AT8539 power module (wired only); AT8464-TH dual-ear microphone mount; AT8440 cable clip; two AT8163-TH windscreens; moisture guard; belt clip (wired only); carrying case
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