Audio-Technica BP894x-TH Cardioid Earset with Detachable Cable and AT8545 Power Module, Beige

Like the other redesigned BP89x models listed below, the BP894x MicroSet offers low-profile, high-performance audio for stage and television talent, lecturers, worship leaders, and other communicators. The ultra-lightweight, high-SPL microphone hooks securely behind either ear and features a rotating capsule housing with talk-side indicator for perfect placement of its cardioid condenser. The BP894x delivers extremely intelligible, natural audio with a flat, extended frequency response, and comes with a detachable, field-replaceable cable that is available in a variety of terminations for use in wired and wireless applications.

Key Features

• Features a rotating capsule housing with talk-side indicator for perfect polar pattern placement from either ear
• Subminiature cardioid condenser capsule offers extremely intelligible, natural vocal reproduction
• Inconspicuous, lightweight headset with capsule diameter of just 2.6 mm is ideal for applications requiring minimum visibility
• Ergonomic under-ear designthe flexible, lightweight, contoured loop hooks behind the ear for an ultra-secure, comfortable fit even for those wearing glasses
• Detachable, field-replaceable cable with robust connector at the earset and a variety of available terminations
• Handles high sound pressure levels with ease
• Wired version’s power module (AT8545) includes a high-pass filter that provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
• Comes with the AT8464x Dual-Ear Adapter Kit that converts the single-ear MicroSet to a unit that’s worn on both ears for maximum stability and comfort
• Constructed of hypoallergenic materials

Technical Specifications

Element
Fixed-charge back plate, permanently polarized condenser
Polar Pattern
Cardioid
Frequency Response
20-20,000 Hz
Low Frequency Roll-Off
80 Hz, 18 dB/octave (wired only)
Open Circuit Sensitivity
-47 dB (4.3 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)
98 dB, 1 kHz at 3% T.H.D. Max SPL (wired only)
Signal-to-Noise Ratio
57 dB, 1 kHz at 1 Pa
Phantom Power Requirements
11-52V DC, 2 mA typical (wired only)
Current Consumption
0.25 mA typical at 5V (wireless only)
Voltage Range
3.5-10V (wireless only)
Switch
Flat, roll-off (wired only)
Weight
Microphone, boom & earpiece: 2.0 g (0.07 oz) (without cable)
Power module (wired only): 85 g (3.0 oz)
Dimensions
Microphone: 9.67 mm (0.38") long, 2.6 mm (0.10") diameter
Boom: 98.4 mm (3.87") long, 1.07 mm (0.04") diameter
Power module (wired only): 100.0 mm (3.94") long, 18.9 mm (0.74") diameter
Output Connector (Power Module)
Integral 3-pin XLRM-type
Cable
Detachable 1.4 m (55") long, 1.6 mm (0.06") diameter, 2- or 3-conductor shielded cable (termination dependent)
Audio-Technical Case Style
M40
Accessories Furnished
AT8545 power module (wired only); AT8464x dual-ear adapter kit; AT8440 cable clip; AT8163 windscreen; AT8171 windscreen; moisture guard; belt clip (wired only); carrying case