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BL-21994-000

BL-21994-000

BL-21994-000

Knowles

MICROPHONE PIEZO ANALOG OMNI

compliant

-

HongKong/Shenzhen Warehouse

DHL/Fedex/UPS/TNT/SF/EMS

BL-21994-000 Pricing & Ordering

Quantity Unit Price Ext. Price
1 $155.95000 $155.95
10 $124.03200 $1240.32
25 $114.00040 $2850.01
Inventory changes frequently.

BL-21994-000 Purchase Assurance: Buy Confidently, Use Securely

Transparent & Traceable Sources

We source exclusively from verified channels to ensure authenticity:

  • Direct from manufacturer and OEMs
  • Authorized distributors
  • Market-vetted traders (3+ years stable supply)

Every batch is traceable with documented proof of origin.

Quality Inspection Process

We enforce strict checks to ensure components meet standards:

  • Visual: Appearance, markings, packaging, batch codes
  • X-ray: Pad consistency (on request)
  • Function test: Sample checks for specific models (upon request)
  • Reports: Available upon request
Flexible Payments & Terms

We adapt to your project needs:

  • T/T, PayPal, Credit Card
  • Credit terms for long-term partners (e.g., monthly, Net 15/30)
Reliable After-Sales Support

365 Days warranty with streamlined solutions:

  • Defective? Free returns/replacements
  • Fast reshipment or refund
  • Full-service sourcing: Procurement & payment support
Bom Cost Down
Bom Cost Down
Wholesale Prices for Every Order, Big or Small
Wholesale Prices for Every Order, Big or Small

BL-21994-000 Knowles

Name Value
Product Status Obsolete
Type Piezo
Output Type Analog
Direction Omnidirectional
Frequency Range 20 Hz ~ 10 kHz
Sensitivity -69dB ±3dB @ 74dB SPL
S/N Ratio -
Impedance 4 kOhms
Voltage - Rated 3 V
Voltage Range -
Current - Supply 160 µA
Port Location Top
Ratings -
Termination Wire Leads
Size / Dimension 0.500" Dia (12.70mm)
Height (Max) 1.008" (25.60mm)
Shape Circular
Q1: What is the purchase guide for BL-21994-000?
BL-21994-000 of Knowles is a MICROPHONE PIEZO ANALOG OMNI. ICHOME is a long-term spot supplier of BL-21994-000, supporting sample purchase and bulk order.
Q2: How to find the detailed information of BL-21994-000?
Download BL-21994-000 Datasheet
Q3: What payment can support in ICHOME?
PayPal, Payoneer, Visa, Bank Transfer, AliExpress.
Q4: Where do you sourcingBL-21994-000 from?
After 21 years of long-term and stable development, ICHOME have accumulated leading supply chain partner.
Q5: Can you provide BL-21994-000 alternative/replacement suggestions?
Through different levels of industry applications, ICHOME engineers will analyze component risks (discontinued, single source, etc.) and give you BL-21994-000 replacement suggestions, and then provide you with alternative products, supporting free sample delivery.
Q6: Why choose ICHOME?
Compared with ordinary agents, ICHOME provides full BOM matching, EOL judgment, alternative model suggestions, large stock + flexible procurement, test reports, return service
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