Philips LFH 0331 Microphone-Earphone Combination

This sturdy yet small LFH 0331 microphone-earphone combination from Philips has been designed for recording confidential information and for playing back private files recorded on Pocket Memo and Voice Tracer Dictaphones. The LFH 0331 comes complete with a tie clip, allowing you to attach it to your clothing and talk while you walk! Technical information:

Microphone:

Type: electric electrostatic microphone
Direction: one directional
Sensitivity: -60 dB +/- 2 dB
Impedance: ~ 2.2 kOhms
Type of connector: 3.5 mm mono
Acoustic frequency response: 20 Hz ~ 20 kHz
Standard voltage: 3 V ~ 10 V

Earphone:

Type: earphone
Sound: mono
Technology: dynamic
Sensitivity: 108 dB
Impedance: 32 Ohms
Acoustic frequency response: 20 Hz ~ 20 kHz
Maximum output power: 10 mW
Type of connector: gold-plated, narrow mono jack

General:

Cable length: 1.1 m.

Contents of package:

- microphone/earphone combination
- tie clip