DPA Microphones BLM4060 Boundary Layer Microphone

SKU: DPABLM4060 MFR: 4060-OL-D-S01-001
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Key Features

  • Capture pristine audio with this DPA boundary microphone, ideal for clear sound.
  • Achieve natural, uncolored recordings using this omnidirectional microphone's flat frequency response.
  • Enjoy a low-noise floor (23dB(A)) for clean recordings, perfect for critical sound applications.
  • The durable stainless steel base ensures stable, reliable placement for consistent audio capture.
  • Use this boundary microphone on tables or walls for discreet, high-quality sound pickup.
  • With a MicroDot connector, this microphone offers versatile connectivity in various setups.
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DPA Microphones BLM4060 Specifications

  • Directional characteristics

    Omnidirectional, hemisphere

  • Principle of operation

    Pressure

  • Cartridge type

    Pre-polarized condenser element

  • Frequency range

    +/- 2dB: 20Hz-14kHz (with a 7dB soft boost at 8kHz)

  • Sensitivity

    Nominal, +/-3dB: 20mV/Pa at 1kHz
    -34dB re. 1V/Pa

  • Equivalent noise level

    A-weighted:
    Typ. 23dB(A) re. 20MuPa
    Max. 26dB

    ITU-R BS.468-4:
    Typ. 35dB
    Max. 38dB

  • S/N ratio

    re. 1kHz at 1Pa (94dB SPL): 71dB(A)

  • Total harmonic distortion (THD)

    < 1% up to 123dB SPL peak
    < 1% up to 120dB SPL RMS sine

  • Dynamic range

    Typ. 100dB

  • Max. SPL

    Peak before clipping: 134dB

  • Output impedance

    From MicroDot: 30-40Ohms
    From DAD6001: 100Ohms

  • Cable drive capability

    Up to 984' / 299.93m

  • Power supply

    Min. 5V-max. 50V through DPA adapter

  • Connector

    MicroDot/XLR 3-pin

  • Cable length

    10' / 3.05m

  • Cable diameter

    1.6mm / 0.06"

  • Finish

    Black rubber disc mounted in stainless steel base

  • Polarity

    Positively increasing sound pressure produces positive going voltage on MicroDot pin/pin 2 on XLR connector

  • Operating temperature range

    -10 to 45 deg. C / 14 to 113 deg. F

  • Dimensions (H x Dia.)

    Microphone: 0.5 x 4" / 12.70 x 101.60mm

  • Weight

    Microphone exclude cable: 240g / 8.47oz

About DPA Microphones BLM4060

Bring professional-grade audio recording to your boardrooms, conference facilities, and courtrooms with the BLM4060 Boundary Layer Microphone. This high-quality microphone, crafted by the reputable DPA Microphones, is specifically designed to optimize speech intelligibility, making it an ideal choice for teleconferencing and other vocal pickup applications.

The BLM4060 is not just a microphone, but a sophisticated transducer that operates at its best when placed on a tabletop or any other hard, flat surface that reflects sound. Its innovative design includes a prepolarized omnidirectional miniature condenser microphone with a 5.4 mm vertical diaphragm, specially engineered for peak performance.

The heart of this durable microphone lies in its center rubber disc that securely holds the microphone element, all encased in a sleek stainless steel base. With a generous 3-meter (10-foot) cable, the BLM4060 offers flexibility in placement, allowing you to capture sound from virtually any position on the surface, even near the edge.

The BLM4060 Boundary Layer Microphone takes advantage of the unique sound field characteristics of the surface it's mounted on, providing a 6 dB gain of direct sound and only a 3 dB gain of diffuse sound. This results in captured audio that boasts greater clarity, particularly at high frequencies, and enhanced speech intelligibility compared to sound captured above the surface.

To ensure compatibility with any microphone input, the BLM4060 comes with a wide range of connection adapters and power supplies. Included in the package is a DAD6001 adapter, further enhancing the microphone's versatility. Choose the BLM4060 for reliable, high-quality audio recording in any professional setting.

DPA Microphones BLM4060 Features

  • Professional-grade omnidirectional microphone for clear audio capture
  • Optimized for speech intelligibility in boardrooms and conference settings
  • Sleek stainless steel base with a durable center rubber disc design
  • Flexible 3-meter cable for versatile placement on any flat surface
  • Enhanced sound clarity with 6 dB gain of direct sound technology
  • Includes DAD6001 adapter for compatibility with various microphone inputs

Warranty Information

This product has a limited warranty of 24 months.

Product Documents

User Manual

Key Features

  • Capture pristine audio with this DPA boundary microphone, ideal for clear sound.
  • Achieve natural, uncolored recordings using this omnidirectional microphone's flat frequency response.
  • Enjoy a low-noise floor (23dB(A)) for clean recordings, perfect for critical sound applications.
  • The durable stainless steel base ensures stable, reliable placement for consistent audio capture.
  • Use this boundary microphone on tables or walls for discreet, high-quality sound pickup.
  • With a MicroDot connector, this microphone offers versatile connectivity in various setups.

What's in the box:

  • DPA Microphones BLM4060 Boundary Layer Microphone
  • DAO6015 10' Cable
  • DPA Microphones 2 Year Limited Warranty