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Knowles balanced armature speakers - BK Series

bkBK Series speakers provide broadband performance at value pricing. They are commonly used for full range in-ear speakers and communications utilizing an earplug design

    • High efficiency and low distortion
    • Various port locations, coil impedances, damping options, terminal configurations, and frequency responses available
 Model Picture Sensitivity @1kHz (dB SPL) Sensitivity @1st Peak (dB SPL) Max SPL @1st Peak (dB SPL) DC Resistance (Ω) Impedance @ 500 Hz (Ω)
BK-21600-000 BK-21600-000 123 125 133 100 285
BK-21604-000 BK-21604-000 123 125 133 895 2320
BK-21610-000 BK-21610-000 121 126 136 21 60
BK-21613-000 BK-21613-000 118 126 134 160 450
BK-21615-000 BK-21615-000 118 125 134 160 285
BK-21669-000 BK-21669-000 123.5 125 134 9 22
BK-23134-000 BK-23134-000 118 125 134 100 285
BK-26824-000 BK-26824-000 119 120 129 10.7 16
BK-28507-000 BK-28507-000 126 126 136 10.7 13.3
BK-28510-000 BK-28510-000 123 127 135 111 320
BK-28562-000 BK-28562-000 123 124 131 18.5 23
BK-29725-000 BK-29725-000 118 119 128 100 285
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