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  • Cost Reduction
  • Min Order From 1 PCS
  • 365 Days Warranty
  • 12 Hours Quotation
Product Specifications
  • AttributesAttribute Value
  • ManufacturerKnowles
  • CategoryAudio Products
  • PackagesBulk
  • Standard Quantity100
  • Description300 Hz ~ 5 kHz Analog Microphone Magnetic Omnidirectional (-75.5dB ±3dB @ 74dB SPL) Solder Pads
  • Output TypeAnalog
  • Size / Dimension0.310" L x 0.220" W (7.87mm x 5.59mm)
  • Sensitivity-75.5dB ±3dB @ 74dB SPL
  • ShapeRectangular
  • TypeMagnetic
  • TerminationSolder Pads
  • DirectionOmnidirectional
  • Port LocationTop
  • Height (Max)0.160" (4.06mm)
  • Impedance3.9 kOhms
  • Frequency Range300 Hz ~ 5 kHz

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Quality and Reliability

We supply 100% original and brand-new BJ-21590-000 from Knowles only.

Hard Find Electronics Tech Limited is committed to achieving the highest levels of quality to meet and exceed customer requirements. We have built a network of trusted suppliers and assembled a team of experienced professionals to serve our customers better. Our rigorous 3-step quality control process ensures that you receive the best possible service and products. All components supplied by us come with a 365-day quality warranty, guaranteeing your satisfaction and confidence in our products.

Order Guide
  • RFQ
    Source at least two reliable suppliers
  • QUOTE
    Information checking available/price/condition
  • QC PROCESS
    3-Step Quality Control and Professional Third-Party Test
  • SHIPMENT
    FedEx, DHL, UPS, TNT
In Stock: 636
Please send an RFQ for instant price and inventory.
 Fast Shipping

QUANTITY

Multiples of 1

MORECustomer Reviews
  • Da***id 
    All working fine, great quality!
  • Pa***lo 
    We need the parts this Friday, thanks to your efficient work, so that we can get them in time! !
  • Pa***ki 
    Good! Fast shipping.
  • Th***ry 
    Good!
  • Jo***an 
    Fast delivery, good quality.

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Hard-to-find Electronic Components Distributor
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Knowles

BJ-21590-000

In Stock: 636 | For reference only.