Electro-Voice OLM 10 - Omnidirectional back-electret lavalier microphone with 1.80 m cable and TA4F connector

Electro-Voice OLM 10 - Omnidirectional back-electret lavalier microphone with 1.80 m cable and TA4F connector

The Electro-Voice OLM 10 is a back-electret condenser lavalier microphone with an omnidirectional polar pattern , designed for natural, consistent voice pickup in presentations, lectures, theater, education, houses of worship, and corporate events. Its compact, rugged design allows for discreet mounting on clothing using the included clip , and its wide pickup range is especially useful for novice or soft-spoken speakers .

The OLM 10 features a 1.80 m (6 ft) hard cable terminated with a TA4F connector , compatible with Electro-Voice bodypack transmitters . For wired mixer or stage applications, the TXA (TA4F to XLR) adapter can be used. Its frequency response spans 30 Hz to 18 kHz , delivering a clear, balanced timbre for spoken word in sound reinforcement or recording environments.

Main features

• Back-electret condenser capsule with omnidirectional pattern for uniform pickup even with head movements.
• Integrated 1.80m cable terminated in TA4F for direct connection to EV belt packs.
• Mounting clip included for quick and discreet mounting in the changing room.
• Frequency response of 30 Hz–18 kHz, optimized for clear and natural voice.
• Optional wired use via TXA adapter (TA4F → XLR).
• Approximate capsule dimensions : 16 × 8 mm, compact and durable.

Product benefits

• Constant intelligibility : the omni pattern reduces level variations due to position changes.
• Discreet and quick assembly thanks to its small size and the included clamp.
• Immediate integration with EV wireless systems (TA4F) and versatility for wired use with TXA.
• Ideal for soft-spoken speakers or beginners, with wide, natural pickup range.

Use cases

• AV presentations, training and conferences with freedom of movement.
• Theater and live events where low microphone visibility is required.
• Places of worship, education, and corporate events centered on the word.
• Recording and streaming of talks, interviews, and educational content.

Frequently Asked Questions

• Is it dynamic? No. The OLM 10 is a back-electret condenser microphone and is powered from a bodypack.
• Can I use it with an XLR cable? Yes, using the Electro-Voice TXA (TA4F to XLR) adapter for wired applications.
• Which wireless systems is it compatible with? Electro-Voice beltpacks that use a TA4F connector; also widely used in EV/Telex systems.

Description for projects

Omnidirectional back-electret condenser lavalier microphone for vocals. Frequency response: 30 Hz–18 kHz. 1.80 m fixed cable with TA4F connector compatible with Electro-Voice bodypacks. Includes a clip. Optional wired use via TXA adapter (TA4F to XLR). Capsule dimensions: approximately 16 × 8 mm.