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Knowles BK-28391-000
In Stock
Please send RFQ , we will respond immediately.
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prices and inventories about the part.
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your request by email within 24 hours.
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(Please remember to check the spam folder if you didn't hear from us).
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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.
Currently, our products are shipped through DHL, FedEx, SF, and UPS.
Delivery TimeOnce 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.| Parameters | |
|---|---|
| Mfr | Knowles |
| Series | BK |
| Package | Bulk |
| Product Status | Obsolete |
| Technology | Magnetic |
| Type | Receiver, Balanced Armature |
| Frequency - Self Resonant | - |
| Efficiency - dBA | - |
| Efficiency - Testing | - |
| Efficiency - Type | - |
| Port Location | - |
| Shape | Rectangular |
| Material - Cone | - |
| Material - Magnet | - |
| Ingress Protection | - |
| Ratings | - |
| Termination | Solder Pads |
| Size / Dimension | - |
| Height - Seated (Max) | - |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | Not Applicable |
| ECCN | EAR99 |
| HTSUS | 8518.29.8000 |
| Standard Package | 1 |
Receiver, Balanced Armature Speaker Rectangular
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