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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.
Board Mount Motion & Position Sensors 7.92 X 5.59 X 2.28MM -40, 20hz to 10Khz BU-23842-000 Knowles 1: HK$537.09 110In Stock	Mfr. Part No. BU-23842-000 Mouser Part No 721-BU-23842-000	Knowles	Board Mount Motion & Position Sensors 7.92 X 5.59 X 2.28MM -40, 20hz to 10Khz	Datasheet	110In Stock	HK$537.09 HK$496.16 HK$480.87 HK$449.14 View HK$447.41 HK$419.47 Quote	Min.: 1 Mult.: 1
Microphones 5.56 X 3.98 X 2.21MM -59 SENS, 12S PORT EA-21842-C36 Knowles 1: HK$244.96 137In Stock	Mfr. Part No. EA-21842-C36 Mouser Part No 721-EA-21842-C36	Knowles	Microphones 5.56 X 3.98 X 2.21MM -59 SENS, 12S PORT	Datasheet	137In Stock	HK$244.96 HK$187.09 HK$169.66 HK$158.07 View HK$147.38 HK$145.17 HK$143.60 Quote	Min.: 1 Mult.: 1
Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 12S PORT EK-23024-000 Knowles 1: HK$234.68 108In Stock 300Expected 13/11/2026	Mfr. Part No. EK-23024-000 Mouser Part No 721-EK-23024-000	Knowles	Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 12S PORT Learn More about Knowles subminiature performance microphones	Datasheet	108In Stock 300Expected 13/11/2026	HK$234.68 HK$183.06 HK$168.26 HK$156.76 View HK$146.64 HK$139.00 Quote	Min.: 1 Mult.: 1
Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 0KP PORT EK-23027-C36 Knowles 1: HK$248.41 140In Stock	Mfr. Part No. EK-23027-C36 Mouser Part No 721-EK-23027-C36	Knowles	Microphones 5.56 X 3.98 X 2.21MM -53 SENS, 0KP PORT Learn More about Knowles subminiature performance microphones	Datasheet	140In Stock	HK$248.41 HK$189.80 HK$172.13 HK$170.24 View HK$158.65 HK$147.30 HK$145.74 Quote	Min.: 1 Mult.: 1
Microphones 5.56 X 3.98 X 2.21MM -57 SENS, 12S PORT EK-23028-C36 Knowles 1: HK$234.35 417In Stock	Mfr. Part No. EK-23028-C36 Mouser Part No 721-EK-23028-C36	Knowles	Microphones 5.56 X 3.98 X 2.21MM -57 SENS, 12S PORT Learn More about Knowles subminiature performance microphones	Datasheet	417In Stock	HK$234.35 HK$181.83 HK$164.98 HK$153.55 View HK$143.11 HK$141.06 HK$137.36 Quote	Min.: 1 Mult.: 1
Microphones Omni-Directional Microphone EM-24446-C36 Knowles 1: HK$268.05 108In Stock	Mfr. Part No. EM-24446-C36 Mouser Part No 721-EM-24446-C36	Knowles	Microphones Omni-Directional Microphone	Datasheet	108In Stock	HK$268.05 HK$204.76 HK$185.77 HK$173.11 View HK$161.36 HK$159.63 HK$157.91 Quote	Min.: 1 Mult.: 1
Microphones Waterproof Speaker MR-23333-000 Knowles 1: HK$660.23 190In Stock 200Expected 13/11/2026	Mfr. Part No. MR-23333-000 Mouser Part No 721-MR-23333-000	Knowles	Microphones Waterproof Speaker		190In Stock 200Expected 13/11/2026	HK$660.23 HK$515.97 HK$469.61 HK$453.99 View HK$442.24 Quote	Min.: 1 Mult.: 1
Microphones -52 Sens, Flat Rsp. -100dB Noise output NR-23160-000 Knowles 1: HK$262.96 125In Stock	Mfr. Part No. NR-23160-000 Mouser Part No 721-NR-23160-000	Knowles	Microphones -52 Sens, Flat Rsp. -100dB Noise output Learn More about Knowles subminiature performance microphones	Datasheet	125In Stock	HK$262.96 HK$205.17 HK$186.59 HK$173.94 View HK$164.15 HK$157.99 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Receiver,level sound RAB-32063-000 Knowles 1: HK$188.16 102In Stock 300Expected 13/11/2026	Mfr. Part No. RAB-32063-000 Mouser Part No 721-RAB-32063-000	Knowles	Speakers & Transducers Balanced Armature Receiver,level sound Learn More about Knowles rab armature drivers	Datasheet	102In Stock 300Expected 13/11/2026	HK$188.16 HK$143.69 HK$130.20 HK$121.33 View HK$113.03 HK$109.98 HK$108.67 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Receiver RAB-32066-000 Knowles 1: HK$180.10 900In Stock	Mfr. Part No. RAB-32066-000 Mouser Part No 721-RAB-32066-000	Knowles	Speakers & Transducers Balanced Armature Receiver Learn More about Knowles rab armature drivers	Datasheet	900In Stock	HK$180.10 HK$139.66 HK$126.75 HK$118.04 View HK$114.50 HK$109.98 HK$107.19 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Receiver, warm bass RAB-32257-000 Knowles 1: HK$182.40 316In Stock	Mfr. Part No. RAB-32257-000 Mouser Part No 721-RAB32257000	Knowles	Speakers & Transducers Balanced Armature Receiver, warm bass Learn More about Knowles rab armature drivers	Datasheet	316In Stock	HK$182.40 HK$139.16 HK$126.18 HK$117.55 View HK$109.49 HK$103.16 Quote	Min.: 1 Mult.: 1
Speakers & Transducers dual balanced armature receiver TWFK-30017-000 Knowles 1: HK$505.45 89In Stock 100Expected 6/11/2026	Mfr. Part No. TWFK-30017-000 Mouser Part No 721-TWFK-30017-000	Knowles	Speakers & Transducers dual balanced armature receiver	Datasheet	89In Stock 100Expected 6/11/2026	HK$505.45 HK$396.20 HK$360.94 HK$351.82 View HK$342.61 Quote	Min.: 1 Mult.: 1
Microphones -52 Sens, Flat Resp Omni 25dB -100dB WP-23502-000 Knowles 1: HK$358.23 179In Stock 100Expected 8/1/2027	Mfr. Part No. WP-23502-000 Mouser Part No 721-WP-23502-000	Knowles	Microphones -52 Sens, Flat Resp Omni 25dB -100dB Learn More about Knowles wp series mics	Datasheet	179In Stock 100Expected 8/1/2027	HK$358.23 HK$274.71 HK$248.57 HK$231.23 View HK$226.71 HK$222.93 Quote	Min.: 1 Mult.: 1
Speakers & Transducers RECEIVER ASSEMBLY Knowles RLQ-34240-000 RLQ-34240-000 Knowles 1: HK$446.76 185In Stock	Mfr. Part No. RLQ-34240-000 Mouser Part No 721-RLQ-34240-000	Knowles	Speakers & Transducers RECEIVER ASSEMBLY	Datasheet	185In Stock	HK$446.76 HK$349.93 HK$318.69 HK$307.59 View HK$306.20 HK$287.04 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker BK-26824-000 Knowles 1: HK$257.53 456In Stock	Mfr. Part No. BK-26824-000 Mouser Part No 721-BK-26824-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	456In Stock	HK$257.53 HK$199.17 HK$185.11 HK$172.37 View HK$160.62 HK$160.45 HK$150.43	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker CI-22955-000 Knowles 1: HK$298.80 305In Stock 600Expected 8/1/2027	Mfr. Part No. CI-22955-000 Mouser Part No 721-CI-22955-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	305In Stock 600Expected 8/1/2027	HK$298.80 HK$230.08 HK$209.28 HK$195.06 View HK$183.14 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker CI-22960-000 Knowles 1: HK$292.30 74In Stock	Mfr. Part No. CI-22960-000 Mouser Part No 721-CI-22960-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	74In Stock	HK$292.30 HK$228.35 HK$207.72 HK$193.58 View HK$183.14 HK$178.05 Quote	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker ED-23147-000 Knowles 1: HK$249.89 154In Stock	Mfr. Part No. ED-23147-000 Mouser Part No 721-ED-23147-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	154In Stock	HK$249.89 HK$191.94 HK$174.02 HK$162.26 View HK$155.77 HK$145.33	Min.: 1 Mult.: 1
Speakers & Transducers Balanced Armature Speaker FC-26171-000 Knowles 1: HK$350.58 49In Stock	Mfr. Part No. FC-26171-000 Mouser Part No 721-FC-26171-000	Knowles	Speakers & Transducers Balanced Armature Speaker	Datasheet	49In Stock	HK$350.58 HK$265.51 HK$239.28 HK$222.43 View HK$216.02 HK$213.97 Quote	Min.: 1 Mult.: 1
Speakers & Transducers RECEIVER Knowles RAQ-33862-B148 RAQ-33862-B148 Knowles 1: HK$83.35 165In Stock	Mfr. Part No. RAQ-33862-B148 Mouser Part No 721-RAQ-33862-B148	Knowles	Speakers & Transducers RECEIVER	Datasheet	165In Stock	HK$83.35 HK$64.53 HK$58.53 HK$54.42 View HK$50.55 HK$45.21 HK$43.65 HK$43.16 Quote	Min.: 1 Mult.: 1
Speakers & Transducers VERY SMALL DUEL BASS EMPHASIS Knowles DWFK-31785-000 DWFK-31785-000 Knowles 1: HK$550.08 131In Stock	Mfr. Part No. DWFK-31785-000 Mouser Part No 721-DWFK-31785-000	Knowles	Speakers & Transducers VERY SMALL DUEL BASS EMPHASIS	Datasheet	131In Stock	HK$550.08 HK$429.33 HK$390.61 HK$369.65 View HK$346.47 Quote	Min.: 1 Mult.: 1
MEMS Microphones 71dB 1.3mm Height 0.25mm port Knowles MM20-33366-000 MM20-33366-000 Knowles 1: HK$84.58 1,328In Stock 1,400Expected 13/11/2026	Mfr. Part No. MM20-33366-000 Mouser Part No 721-MM20-33366-000	Knowles	MEMS Microphones 71dB 1.3mm Height 0.25mm port	Datasheet	1,328In Stock 1,400Expected 13/11/2026	HK$84.58 HK$65.02 HK$58.86 HK$54.66 View HK$50.80 HK$47.27 HK$44.39 HK$43.16 Quote	Min.: 1 Mult.: 1
Power Inductors - Leaded Telecoil 5100-253447 Knowles 1: HK$75.13 5In Stock	Mfr. Part No. 5100-253447 Mouser Part No 721-5100253447	Knowles	Power Inductors - Leaded Telecoil	Datasheet	5In Stock	HK$75.13 HK$60.99 HK$56.06 HK$52.61 View HK$49.57 HK$45.95 HK$42.83 HK$42.00	Min.: 1 Mult.: 1
Speakers & Transducers Plug 2.08 dia. 1500 Res, Green BF-1861-000 Knowles 1: HK$20.06 452In Stock	Mfr. Part No. BF-1861-000 Mouser Part No 721-BF-1861-000	Knowles	Speakers & Transducers Plug 2.08 dia. 1500 Res, Green	Datasheet	452In Stock	HK$20.06 HK$15.37 HK$13.89 HK$12.91 View HK$11.84 HK$10.52 HK$10.03 HK$9.29 HK$8.55	Min.: 1 Mult.: 1
Speakers & Transducers Plug 2.08 dia. 3300 Res, Orange BF-1922-000 Knowles 1: HK$21.87 370In Stock	Mfr. Part No. BF-1922-000 Mouser Part No 721-BF-1922-000	Knowles	Speakers & Transducers Plug 2.08 dia. 3300 Res, Orange	Datasheet	370In Stock	HK$21.87 HK$16.52 HK$14.96 HK$13.65 View HK$12.66 HK$11.18 HK$10.36 HK$9.62 HK$8.96	Min.: 1 Mult.: 1

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