For all ranges of BTE applications
139dB SPL maximum output
Two-terminal zero-bias and three-terminal center-tapped configurations
Broad bandwidth for improved sound quality
Undamped, screen damped and FerrofluidTM damped responses with 2dB, 4dB, or 6dB peak amplitude
Numerous port locations
Wide range of coil impedances
Available with PantographTM, FerrofluidTM, and Vibration IsolationTM technologies
The staple receiver for modern BTE hearing instruments, the EF series represents a precise balance of output power and compact size. Its length-width-height ratio provides an optimum fit that helps maximize BTE space and layout considerations while still providing superior acoustic output. A full range of Knowles' PantographTM, FerrofluidTM, and Vibration IsolationTM technologies help maximize the EF series use for any BTE instrument design. The FEF receiver brings the advantages of Ferrofluid damping, including reduced receiver vibration and improved shock survivability. These advantages are added to the EF receiver's precise balance of power and compact size. A full range of Knowles' PantographTM and Vibration IsolationTM technologies help maximize the FEF series optimum fit and superior acoustic output.
Select a product category to view features, benefits, documents and performance details
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| EF-21763-000 | No Downloads available for EF-21763-000 |
| EF-21933-000 | No Downloads available for EF-21933-000 |
| EF-21935-000 | No Downloads available for EF-21935-000 |
| EF-21937-000 | No Downloads available for EF-21937-000 |
| EF-21942-000 | No Downloads available for EF-21942-000 |
| EF-21943-033 | No Downloads available for EF-21943-033 |
| EF-21958-000 | No Downloads available for EF-21958-000 |
| EF-23094-XXX | No Downloads available for EF-23094-XXX |
| EF-23168-000 | No Downloads available for EF-23168-000 |
| EF-23187-000 | |
| EF-26161-116 | No Downloads available for EF-26161-116 |
| EF-26274-000 | No Downloads available for EF-26274-000 |
| EF-26329-000 | No Downloads available for EF-26329-000 |
| EF-26348-000 | No Downloads available for EF-26348-000 |
| EF-26363-116 | No Downloads available for EF-26363-116 |
| EF-26369-000 | No Downloads available for EF-26369-000 |
| EF-26418-000 | No Downloads available for EF-26418-000 |
| EF-26419-000 | No Downloads available for EF-26419-000 |
| EF-26426-000 | No Downloads available for EF-26426-000 |
| EF-26430-000 | No Downloads available for EF-26430-000 |
| EF-26494-000 | No Downloads available for EF-26494-000 |
| EF-26634-000 | No Downloads available for EF-26634-000 |
| EF-26635-000 | No Downloads available for EF-26635-000 |
| EF-26636-000 | No Downloads available for EF-26636-000 |
| EF-26665-000 | No Downloads available for EF-26665-000 |
| EF-26692-116 | No Downloads available for EF-26692-116 |
| EF-26708-017 | No Downloads available for EF-26708-017 |
| EF-26714-000 | No Downloads available for EF-26714-000 |
| EF-27351-000 | No Downloads available for EF-27351-000 |
| EF-27428-116 | No Downloads available for EF-27428-116 |
| EF-27505-000 | No Downloads available for EF-27505-000 |
| EF-27534-000 | No Downloads available for EF-27534-000 |
| EF-27715-000 | No Downloads available for EF-27715-000 |
| EF-27985-000 | No Downloads available for EF-27985-000 |
| EF-28378-000 | No Downloads available for EF-28378-000 |
| EF-29586-000 | No Downloads available for EF-29586-000 |
| EF-29615-000 | No Downloads available for EF-29615-000 |
| EF-29734-033 | No Downloads available for EF-29734-033 |
| EF-29802-000 | No Downloads available for EF-29802-000 |
| EF-30037-000 | No Downloads available for EF-30037-000 |
| FEF-26348-I02 | No Downloads available for FEF-26348-I02 |
| FEF-26356-I04 | No Downloads available for FEF-26356-I04 |
| FEF-26790-I02 | No Downloads available for FEF-26790-I02 |
| FEF-27351-P16 | No Downloads available for FEF-27351-P16 |