SKU: 52663777879

Polsen OLM-20 Dual Omnidirectional Lavalier Microphone

Sale price$3159.00 Regular price$3510.00
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Ships within 48 hours · Estimated delivery Jul 23 - Jul 28

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Description

Polsen OLM-20 Dual Omnidirectional Lavalier MicrophoneDual OLM 10 Omnidirectional Mic Capsules Single 1 8" Stereo Connector Each Mic Routes to Discrete Channel Left Right Channel Indicated on Mics 13. 5' Cable with 10' Between Mics Battery Powered Works with Most 1 8" Recording Devices Includes 2 Tie Clips & Foam Windscreens Includes LR44 Battery Designed for recording interviews, the OLM 20 Dual Omnidirectional Lavalier Microphone from Polsen is comprised of two of the well received OLM 10

  • Dual OLM-10 Omnidirectional Mic Capsules
  • Single 1/8" Stereo Connector
  • Each Mic Routes to Discrete Channel
  • Left/Right Channel Indicated on Mics
  • 13.5' Cable with 10' Between Mics
  • Battery Powered
  • Works with Most 1/8" Recording Devices
  • Includes 2 Tie Clips & Foam Windscreens
  • Includes LR44 Battery

Designed for recording interviews, the OLM-20 Dual Omnidirectional Lavalier Microphone from Polsen is comprised of two of the well-received OLM-10 omnidirectional lavalier microphones. It terminates in a single 1/8" stereo connector, with each microphone recording to a discrete channel on your DSLR, camcorder, or audio recorder with a microphone input. Not limited to just interview applications, the OLM-20 can be used for presentations, podcasts, webcasts, or any situation where more than one subject needs to be recorded.

The OLM-20's dual electret condenser capsules are designed to deliver clear and natural sound, with their omnidirectional polar pattern providing off-axis response, even if the subject turns their head while talking. Both mics offer low sensitivity to wind and handling noise, as well as vocal plosives.

Thanks to its battery-operated design, the OLM-20 can be used with any camera or recorder that supports a 1/8" stereo mic level input, without the need for additional equipment or adapters. Each microphone records to a discrete channel, and the microphones themselves are labeled left and right. Its 13.5' cable provides 10' of distance between each microphone for comfortable placement, while the included tie clips allow for hands-free use.

Omnidirectional Polar Pattern
The omnidirectional polar pattern provides excellent off-axis response, even if a subject turns their head while speaking
Wide Range of Compatibility
Compatible with DSLR cameras, camcorders, and most devices with a 1/8" (3.5mm) mic-level input
No Extra Accessories Needed
The OLM-20's design sends each microphone to a discreet channel without need for extra adapter or mixer
Low Sensitivity to Wind Noise and Vocal Plosives
Each microphone offers low sensitivity to wind, handling noise, and vocal plosives
13.5' (4.1 m) Cable
The 13.5' cable provides 10' of distance between each mic, 1' of distance between its battery box and stopper, and 2.5' of distance from the battery box to its 1/8" (3.5mm) connector
In-Line Battery Pack and Power Switch
The OLM-20 is powered by a 1.5 V button cell battery (included) and does not require external power for operation. The power switch conserves battery life
Tie Clip and Foam Windscreen
The included tie clips allow for hands-free operation while the windscreens help ensure quiet, professional-quality recordings
UPC: 847628578777
Transducer Electret Condenser
Polar Pattern Omnidirectional
Frequency Response 30 Hz to 18 kHz
Sensitivity -65 dB ± 3 dB (0 dB=1 v/ubar @ 1 kHz)
Impedance 1000 ? ± 30% @ 1 kHz
Operating Voltage 1.5 V DC
Connector 1/8" (3.5 mm) gold-plated stereo plug
Power 1.5 V button cell battery
Length Microphone: 0.79" (20 mm), each
Capsule Diameter 0.3" (7.5 mm), per capsule
Cable Total Length: 13.5' (4.1 m)
Length Between Microphones: 10' (3 m)
Length Between Battery Box and Stopper: 1' (0.3 m)
Length From Battery Box to Connector: 2.5' (0.8 m)
Packaging Info
Package Weight 0.25 lb
Box Dimensions (LxWxH) 8.3 x 4.6 x 1.2"
In the Box
Polsen OLM-20 Dual Omnidirectional Lavalier Microphone
  • 2 x Tie Clips
  • 2 x Foam Windscreens
  • LR44 Battery
  • Limited 1-Year Warranty
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 52663777879

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Reviewed in the United States on April 24, 2026
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Size: 13 Little Kid, Color: Black, Size: 13 Little Kid, Color: Black
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