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  • Cost Reduction
  • Min Order From 1 PCS
  • 365 Days Warranty
  • 12 Hours Quotation
Product Specifications
  • AttributesAttribute Value
  • ManufacturerKnowles
  • CategoryMicrophones
  • 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
  • Mi***rl 
    Received quickly. Everything was working fine.
  • Ma***in 
    I've just received the order - Thank you for quick shippment and for the gift. I am really satisfied you organized the shippment quickly and that the invoice and whole procedure on the customs went smoothly - without any problems.
  • Ad***an 
    great, thank you.
  • I***0 
    The shipment has arrived. Thank you for the perfect support.
  • V***t 
    Thanks for your efficient work so that we received the goods in time, great job, thank you.

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Hard-to-find Electronic Components Distributor
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Knowles

BJ-21590-000

In Stock: 636 | For reference only.