Countryman B3 Standard Sensitivity Omni Round Lavalier for Lectrosonics SM Series Standard Black


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    B3W4FF05BSM - Overview

    Our B3 is essential to any well-stocked pro audio toolkit. For starters, the B3 captures the highest-quality audio available in a lavalier mic, with field-selectable HF response caps and extremely low handling noise.

    Whether you need a tie-clip lav for an interview, a hair-hidden mic for drama, a water-resistant mic for water sports or hurricane reporting, or simply a small mic to hide in a prop flower vase, you'll never run out of applications for Countryman's B3 lavalier.

    And that's exactly why we made the B3 so rugged. Kevlar protects its cable from excessive weight and stretching, and the mic's protective caps are extremely resistant to water, sweat, and makeup.

    You'd never expect such a mic to be so affordable, making the B3 one of the highest-value audio investments in your kit!

    Supplied with set of two tie clips (black and white), wind screen, three HF response control protective caps, and carrying case.


    All-purpose, rugged, affordable lavalier that's easy to hide in clothing, hair or props
    Ideal for theater, news anchors, interviews, lecturers, churches, schools, and general lavalier applications


    Low distortion at SPL up to 150dB on 48V Phantom Power
    Field-selectable HF response caps
    Kevlar cable and ultra-thin diaphragm combine to set a new standard for low handling noise
    Highest-quality audio available in a lavalier mic
    Excellent rejection of surrounding noise

    Style & Comfort

    Available in 6 colors to blend with clothing or skin tones
    Looks great when you want to see it, and hides easily when you don't


    Highly resistant to moisture and perspiration for use in hair, on the body, or in bad weather
    Protective cap is easily removed for cleaning or replacement when clogged with makeup
    Kevlar-reinforced cable withstands punishment.

    • Specifications:

      • Frequency Response: 20 Hz to 20 kHz
      • Equivalent Acoustic Noise: 24 dBA
      • Dimensions: 0.23" x 0.18" (5.8mm x 4.6mm)
      • Weight: 0.012 oz (0.34 g)
      • Power Requirements: Wireless: 3V to 12V at 200 uA; Phantom: 9V to 48V (4mA at 48V)
      • Sensitivity: W4 (no band): 12.0 mV/Pascal; W5 (red band): 4.0 mV/Pascal
      • Overload Sound Pressure Level: Wireless: 140 dBA SPL (5V, red band); Phantom: 150 dBA SPL (48V, red band)

    B3W4FF05BSM - Required Accessories

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