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  • Manufacturer: Knowles
  • Origchip NO: 427-FB-DO-23511-000
  • Package: -
  • Datasheet: PDF
  • Stock: 474
  • Description: MIC BOOM ANLG NC -56DB 8.64MM D(Kg)

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Means of Payment

For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and wire transfer.

RFQ (Request for Quotations)

It is recommended to request for quotations to get the latest prices and inventories about the part.
Our sales will reply to your request by email within 24 hours.


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2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping Cost

Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)
The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and country.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

Delivery Time

Once the goods are shipped, estimated delivery time depends on the shipping methods you chose:

FedEx International, 5-7 business days.

The following are some common countries' logistic time.



Factory Lead Time 8 Weeks
Shape Circular
Packaging Bulk
Published 2008
Series FB
Size / Dimension 0.340Dia 8.64mm
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Termination Wire Leads
Type Boom
Voltage - Rated 1.3V
Depth 177mm
Frequency 4kHz
Output Type Analog
Operating Supply Current 300μA
Impedance 2.5kOhm
Direction Noise Cancelling
Voltage Range 1.3V~10V
Frequency Range 300Hz~4kHz
Sensitivity -56dB ±3dB @ 74dB SPL
Port Location Bottom, Top
Diameter 8.64mm
Height (Max) 0.340 8.64mm
RoHS Status RoHS Compliant
Ratings IP67 - Dust Tight, Waterproof
See Relate Datesheet
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