Omnidirectional lavalier mic with TA4F

Summary & Images Specs Downloads & Support
  • Small and unobtrusive low-profile design
  • Omni-directional polar pattern delivers an open and natural sound
  • No proximity effect
  • Wide dynamic range and frequency response
  • Clothing clip holds microphone securely and attaches easily to garments

The OL3 is a robust, multi-purpose lavalier microphone. It is ideal for presentation, public speaking, and on-camera applications where its open and natural sonic characteristics deliver accurate and natural voice reproduction. The low-profile design makes it easy to physically manage, and eliminates unsightly presence other larger sized lavaliers present. The omni-directional polar pattern has no proximity effect, and is ideal for delivering an open and natural sound, even when the user is turning their head sideto-side. The small clothing clip attaches the microphone securely to clothing items or surfaces. The included foam windscreen is effective in reducing wind noise. The 4-pin mini plug is compatible with all current Electro-Voice bodypack transmitters, as well as many other brands who use the 4-pin mini connector convention.


Element type Self-biased condenser
Frequency response 60 Hz - 15 kHz
Polar pattern Omnidirectional

Sensitivity: open circuitvoltage. 1 kHz 17.5 mV/Pascal (-35 dBV/PA)
Maximum SPL 130 dB SPL
Impedance 2200 ohms
Power requirements 3-9 VDC
Polarity Positive pressure on diaphragm produces positive voltage at pin 2 relative to pin 1
Electrical contact pinouts
Pin #1 - Ground, shield
Pin #2 - Audio
Pin #3 - Bias voltage
Pin #4 - N/C
Dimensions (cable length) 57.1" (1450 mm)
Dimensions (head length) 0.36" (9.2 mm)
Dimensions (head diameter) 0.2" (5 mm)
Net weight 0.617 oz (17.5 g)
Shipping weight 6.173 oz (175 g)
Microphone connector: 4-pin mini plug
Head finish Non-reflecting black
Material Brass, steel wire cloth grille, black flexible PVC cable


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Dynacord & Electro-Voice, together with our certified partners, are ready to help support you through planning, purchase, and setup. Services available through our network of highly-qualified associates and partners may include:

  • System Design
  • Installation
  • Programming & Commissioning

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