2PCS Knowles BK-21968 Balanced Armature Driver Receiver Speaker for Hearing Aids DIY CIEM Moving Iron Unit

Knowles BK-21968 IEM Moving Iron Unit Balance Armature Speaker 

Features:

1. High sensitivity

2. Responses include standard and broader band

3. Low distortion

4. Self-shielded for low magnetic radiation

5. Wide range of port locations and impedances

6. 2 and 3 terminal versions

Spesifics: 

Manufacturer Part Number:BK-21968-000

Category :Audio Products

Family:Speakers

Frequency Range:200Hz ~ 3.8kHz

Impedance:730 Ohm

Sound Pressure Level :123dB

Height :4.00mm

Size / Dimension:7.87mm L x 5.59mm W

Moisture Sensitivity Level (MSL):1 (Unlimited)

Reminder: 

1. Please test the driver first before solering , we don’t provide replacement after drivers be solered.

2. Dear friend ,we are global agent of Knowles , please contact us for any inquiry about Knowles.

Thanks!!!

Product photo