2pcs Knowles BK-28507 Balanced Armature Speakers Drivers Receivers for in-ear monitor application

Knowles BK-28507 Balanced Armature Speakers Drivers for in-ear monitor 

BK Series speakers provide broadband performance at value pricing. They are commonly

used for full range in-ear speakers and communications utilizing an earplug design.

Specifics:

Knowles balanced armature driver: BK-28507

Frequency range: 100Hz-6kHz

Impedance: 13.3 ohm

Port location: 12s

Dimension:7.87mmL*5.59mmW

Height: 4.01 mm

Applications:

Full- range in ear speakers

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!!!