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Photo Mfr. Part # Availability Price Quantity Datasheet Packaging Series ProductStatus Technology Type FrequencyRange Frequency-SelfResonant Impedance Efficiency-dBA Efficiency-Testing Efficiency-Type Power-Rated Power-Max PortLocation Shape Material-Cone Material-Magnet IngressProtection Ratings Termination Size/Dimension
WBFK-23990-000

WBFK-23990-000

SPEAKER 57OHM SIDE PORT RECT

Knowles

3,010 18.11

RFQ

WBFK-23990-000

Datasheet

Bulk WBFK Active Magnetic Receiver, Balanced Armature 200 Hz ~ 7.6 kHz - 57 Ohms 91.00 - Sound Pressure Level (SPL) - - Top Rectangular - - - - Solder Pads 0.197 L x 0.108 W (5.00mm x 2.73mm)
WBFK-32258-000

WBFK-32258-000

RECEIVER AUDIO

Knowles

2,144 18.11

RFQ

Tray WBFK Active Magnetic Receiver, Balanced Armature - - - - - Sound Pressure Level (SPL) - - - - - - - - - -
ED-31305-163

ED-31305-163

SPEAKR 91.8OHM SIDE PORT 106.5DB

Knowles

3,691 18.24

RFQ

ED-31305-163

Datasheet

Bulk ED Active Magnetic Receiver, Balanced Armature 200 Hz ~ 7.6 kHz - 91.8 Ohms 106.50 - - - - Side Rectangular - - - - Solder Pads -
BK-28507-000

BK-28507-000

SPEAKER 13.3OHM SIDE PORT RECT

Knowles

2,024 18.46

RFQ

BK-28507-000

Datasheet

Bulk BK Active Magnetic Receiver, Balanced Armature 100 Hz ~ 6 kHz - 13.3 Ohms - - - - - Side Rectangular - - - - Solder Pads 0.310 L x 0.220 W (7.87mm x 5.59mm)
BK-21610-000

BK-21610-000

SPEAKR 145OHM SIDE PORT 119.75DB

Knowles

3,044 18.46

RFQ

BK-21610-000

Datasheet

Tray BK Active Magnetic Receiver, Balanced Armature 200 Hz ~ 4 kHz - 145 Ohms 125.50 - Sensitivity - - Top Rectangular - - - - Solder Pads 0.310 L x 0.220 W (7.87mm x 5.59mm)
BK-21604-000

BK-21604-000

SPEAKER 6 KOHM SIDE PORT 114DB

Knowles

3,150 18.46

RFQ

BK-21604-000

Datasheet

Bulk BK Active Magnetic Receiver, Balanced Armature 200 Hz ~ 3.8 kHz - 6 kOhms 126.00 - Sensitivity - - Top Rectangular - - - - Solder Pads 0.310 L x 0.220 W (7.87mm x 5.59mm)
BK-29725-000

BK-29725-000

SPEAKER 640OHM SIDE PORT 122.5DB

Knowles

2,617 18.46

RFQ

BK-29725-000

Datasheet

Bulk BK Active Magnetic Receiver, Balanced Armature 200 Hz ~ 4 kHz - 285 Ohms 118.00 - Sensitivity - - Top Rectangular - - - - Solder Pads 0.310 L x 0.220 W (7.87mm x 5.59mm)
BK-21600-000

BK-21600-000

SPEAKER 730OHM SIDE PORT 123DB

Knowles

3,636 18.46

RFQ

BK-21600-000

Datasheet

Tray BK Active Magnetic Receiver, Balanced Armature 200 Hz ~ 3.8 kHz - 730 Ohms 126.00 - Sensitivity - - Top Rectangular - - - - Solder Pads 0.310 L x 0.220 W (7.87mm x 5.59mm)
BK-21606-000

BK-21606-000

SPEAKER 1.5 KOHM SIDE PORT 123DB

Knowles

2,328 18.46

RFQ

BK-21606-000

Datasheet

Tray BK Active Magnetic Receiver, Balanced Armature 200 Hz ~ 3.8 kHz - 1.5 kOhms 126.00 - Sensitivity - - Top Rectangular - - - - Solder Pads 0.310 L x 0.220 W (7.87mm x 5.59mm)
BK-21613-000

BK-21613-000

SPEAKER 1.2 KOHM SIDE PORT 118DB

Knowles

2,734 18.46

RFQ

BK-21613-000

Datasheet

Bulk BK Active Magnetic Receiver, Balanced Armature 200 Hz ~ 4 kHz - 1.2 kOhms 126.00 - Sensitivity - - Top Rectangular - - - - Solder Pads 0.310 L x 0.220 W (7.87mm x 5.59mm)
BK-23134-000

BK-23134-000

SPEAKER 730OHM SIDE PORT 118DB

Knowles

2,687 18.46

RFQ

BK-23134-000

Datasheet

Bulk BK Active Magnetic Receiver, Balanced Armature 200 Hz ~ 4 kHz - 730 Ohms 126.00 - Sensitivity - - Top Rectangular - - - - Solder Pads 0.310 L x 0.220 W (7.87mm x 5.59mm)
BK-26773-000

BK-26773-000

SPEAKER RECT

Knowles

3,230 18.46

RFQ

Bulk BK Active Magnetic Receiver, Balanced Armature - - - - - - - - - Rectangular - - - - Solder Pads -
BK-28385-000

BK-28385-000

SPEAKER RECT

Knowles

2,089 18.46

RFQ

Bulk BK Active Magnetic Receiver, Balanced Armature - - - - - - - - - Rectangular - - - - Solder Pads -
BK-26833-000

BK-26833-000

SPEAKER 48OHM 82DB

Knowles

2,757 18.46

RFQ

Tray BK Active Magnetic Receiver, Balanced Armature 300 Hz ~ 4.5 kHz - 48 Ohms 82.00 - - - - - - - - - - - -
EF-23168-P109

EF-23168-P109

SPEAKER 160OHM 126DB

Knowles

2,299 18.59

RFQ

Tray EF Active Magnetic Receiver, Balanced Armature 200 Hz ~ 6.3 kHz - 160 Ohms 126.00 - Sensitivity - - - - - - - - - -
EF-23168-P93

EF-23168-P93

SPEAKER 160OHM 126DB

Knowles

3,336 18.59

RFQ

Tray EF Active Magnetic Receiver, Balanced Armature 200 Hz ~ 6.3 kHz - 160 Ohms 126.00 - Sensitivity - - - - - - - - - -
BK-21615-000

BK-21615-000

SPEAKER 1.2 KOHM SIDE PORT 118DB

Knowles

3,202 18.94

RFQ

BK-21615-000

Datasheet

Tray BK Active Magnetic Receiver, Balanced Armature 200 Hz ~ 4 kHz - 1.2 kOhms 126.00 - Sensitivity - - Top Rectangular - - - - Solder Pads 0.310 L x 0.220 W (7.87mm x 5.59mm)
BK-30039-000

BK-30039-000

SPEAKER RECT

Knowles

3,277 18.94

RFQ

Bulk BK Active Magnetic Receiver, Balanced Armature - - - - - - - - - Rectangular - - - - Solder Pads -
EF-27428-116

EF-27428-116

SPEAKER Z=92.5 OHMS PORT ON SIDE

Knowles

2,622 19.93

RFQ

Bulk * Active - - - - - - - - - - - - - - - - - -
EF-28395-055

EF-28395-055

SPEAKER Z=74 OHMS PORT ON END

Knowles

2,939 19.93

RFQ

Bulk * Active - - - - - - - - - - - - - - - - - -
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