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Polsen OLM-10 Omnidirectional Lavalier Microphone

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Product Description


  • Self-Powered Electret Condenser Mic
  • Omnidirectional Polar Pattern
  • 3.5mm TRS Dual-Mono Connector
  • Sends Audio to Left & Right Channels
  • Accurate Voice Reproduction
  • Lightweight, Discrete Design
  • 20' Cable
  • In-Line Power Switch
  • For Most Devices with 3.5mm Mic Input
  • Includes Tie Clip, Windscreen, & Battery

The Polsen OLM-10 Omnidirectional Lavalier Microphone is an all-in-one solution for recording hands-free audio to both channels of your camcorder or DSLR, as well as most devices with a 3.5mm mic-level input that cannot supply phantom power. It is a self-powered clip-on electret condenser mic designed for accurate voice reproduction in home and video webcasting applications such as presentations, interviews, dictation, and corporate video. The microphone's small, 21-mm long lightweight body allows for discrete placement with the included tie-clip while its 20-foot long cable gives you ample distance from your recording device.

Featuring a 3.5mm dual-mono TRS output connector, the mic sends audio to both the left and right channels of your recorder. Thanks to its omnidirectional polar pattern, the OLM-10 provides a uniform response that will not cause the bass-boosting proximity effect common with cardioid patterns, while allowing you to move freely without off-axis rejection causing a drop in volume. The in-line power switch allows you to quickly mute the microphone as well as preserve battery life when not in use. A windscreen for reduced noise and plosives, 1/4" adapter, and LR44 battery are included.





Electret condenser

Polar Pattern


Frequency Response

50 Hz to 18 kHz


-65 dB +/- 3 dB (0 dB = 1 V/µbar @ 1 kHz)


1 kOhms +/-30% @ 1 kHz

Operating Voltage

1 to 10 VDC


Gold stereo plug

Cable Length

20' (6 m)

Capsule Diameter

0.3" (7.5 mm)


Microphone: 0.8" (21 mm)

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