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4 mm Audio Devices

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Speakers & Transducers TRANSDUCER 3V0-P 70DB 4000HZ SMT-0440-T-HT-R PUI Audio 1: £2.10 9,090In Stock	Mfr. Part No. SMT-0440-T-HT-R Mouser Part No 665-SMT0440THTR	PUI Audio	Speakers & Transducers TRANSDUCER 3V0-P 70DB 4000HZ Learn More about PUI Audio puiaudio smt 0440 series	Datasheet	9,090In Stock	Cut Tape £2.10 £1.65 £1.51 £1.41 View Reel £1.19 £1.32 £1.27 £1.21 £1.19 £1.19	Min.: 1 Mult.: 1 : 3,000
Speakers & Transducers Magnetic Transducer SMT 4mm 3V 4.0kHz Sq MT-SMT04-0340-SK VCC 1: £1.91 2,960In Stock New Product	Mfr. Part No. MT-SMT04-0340-SK Mouser Part No 593-MT-SMT04-0340-SK New Product	VCC	Speakers & Transducers Magnetic Transducer SMT 4mm 3V 4.0kHz Sq Learn More about VCC mt magnetic transducers	Datasheet	2,960In Stock	Cut Tape £1.91 £1.51 £1.37 £1.27 View Reel £0.969 £1.20 £1.14 £1.10 £0.969 £0.969	Min.: 1 Mult.: 1 : 3,000
Speakers & Transducers EM 70dB 4000Hz 3 v6k Top Fire SMT-0440-T-R PUI Audio 1: £3.31 8,418In Stock 12,000Expected 15/01/2027	Mfr. Part No. SMT-0440-T-R Mouser Part No 665-SMT-0440-T-R	PUI Audio	Speakers & Transducers EM 70dB 4000Hz 3 v6k Top Fire Learn More about PUI Audio puiaudio smt 0440 series	Datasheet	8,418In Stock 12,000Expected 15/01/2027	Cut Tape £3.31 £2.55 £2.30 £2.10 View Reel £1.64 £2.03 £1.80 £1.66 £1.64 £1.64 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Microphones ELECTRET CONDENSER MICROPHONE -24DB AOM-5024L-HD-R PUI Audio 1: £3.44 5,011In Stock	Mfr. Part No. AOM-5024L-HD-R Mouser Part No 665-AOM-5024L-HD-R	PUI Audio	Microphones ELECTRET CONDENSER MICROPHONE -24DB Learn More about PUI Audio pui hd condenser microphones	Datasheet	5,011In Stock	£3.44 £2.60 £2.32 £2.10 View £1.90 £1.74 £1.63 £1.60	Min.: 1 Mult.: 1
Speakers & Transducers EM 70dB 4000Hz 3 v6k Side Fire SMT-0440-S-R PUI Audio 1: £3.22 3,398In Stock	Mfr. Part No. SMT-0440-S-R Mouser Part No 665-SMT-0440-S-R	PUI Audio	Speakers & Transducers EM 70dB 4000Hz 3 v6k Side Fire Learn More about PUI Audio puiaudio smt 0440 series	Datasheet	3,398In Stock	Cut Tape £3.22 £2.46 £2.23 £2.05 View Reel £1.64 £1.91 £1.74 £1.64 £1.64 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Microphones ELECTRET CONDENSER MICROPHONE -30DB POM-2730L-HD-R PUI Audio 1: £2.71 970In Stock	Mfr. Part No. POM-2730L-HD-R Mouser Part No 665-POM-2730L-HD-R	PUI Audio	Microphones ELECTRET CONDENSER MICROPHONE -30DB Learn More about PUI Audio pui hd condenser microphones	Datasheet	970In Stock	£2.71 £2.12 £2.10 £1.96 View £1.80 £1.69 £1.55	Min.: 1 Mult.: 1
Microphones ELECTRET CONDENSER MICROPHONE -35DB ROM-2235L-HD-R PUI Audio 1: £3.13 564In Stock	Mfr. Part No. ROM-2235L-HD-R Mouser Part No 665-ROM-2235L-HD-R	PUI Audio	Microphones ELECTRET CONDENSER MICROPHONE -35DB Learn More about PUI Audio pui hd condenser microphones	Datasheet	564In Stock	£3.13 £2.28 £2.02 £1.80 View £1.58 £1.48 £1.42	Min.: 1 Mult.: 1
Speakers & Transducers ELECTROMAGNETIC 2-4 AC VPP 70DB 4000HZ 4X4X2 AST0440MFD-03TRQ Mallory Sonalert 1: £3.55 2,907In Stock	Mfr. Part No. AST0440MFD-03TRQ Mouser Part No 539-AST0440MFD-03TRQ	Mallory Sonalert	Speakers & Transducers ELECTROMAGNETIC 2-4 AC VPP 70DB 4000HZ 4X4X2 Learn More about Mallory Sonalert transducers indicators	Datasheet	2,907In Stock	Cut Tape £3.55 £2.72 £2.45 £2.28 View Reel £1.84 £2.11 £1.96 £1.84 £1.84	Min.: 1 Mult.: 1 : 3,000
Microphones ELECTRET CONDENSER MICROPHONE -27DB DOM-3027L-HD-R PUI Audio 1: £2.74 140In Stock	Mfr. Part No. DOM-3027L-HD-R Mouser Part No 665-DOM-3027L-HD-R	PUI Audio	Microphones ELECTRET CONDENSER MICROPHONE -27DB Learn More about PUI Audio pui hd condenser microphones	Datasheet	140In Stock	£2.74 £2.15 £1.97 £1.87 £1.57	Min.: 1 Mult.: 1
Microphones OMNI-DIRECTIONAL MICROPHONE 4MM DIA TOM-1545L-LW100-R PUI Audio 1: £2.72 9In Stock	Mfr. Part No. TOM-1545L-LW100-R Mouser Part No 665-TOM1545LLW100R	PUI Audio	Microphones OMNI-DIRECTIONAL MICROPHONE 4MM DIA Learn More about PUI Audio microphone lead	Datasheet	9In Stock	£2.72 £2.07 £1.87 £1.72 View £1.60 £1.42 £1.35	Min.: 1 Mult.: 1
Microphones MICROPHONE -46DB 2VDC .5MA 2.2KOHM DUM-4546L-C3310-R PUI Audio 1: £2.07 98In Stock	Mfr. Part No. DUM-4546L-C3310-R Mouser Part No 665-DUM-4546L-C3310R	PUI Audio	Microphones MICROPHONE -46DB 2VDC .5MA 2.2KOHM	Datasheet	98In Stock	£2.07 £1.61 £1.45 £1.35 View £1.21 £1.11 £1.07	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Board Mount Buzzer 4mm sq 4kHz 3V SMT CMT-4023S-SMT-TR Same Sky 1: £2.93 13,000On Order	Mfr. Part No. CMT-4023S-SMT-TR Mouser Part No 490-CMT-4023S-SMT-TR	Same Sky	Buzzers & Audio Indicators - Board Mount Buzzer 4mm sq 4kHz 3V SMT Learn More about Same Sky cui magnetic piezo micro buzzers	Datasheet	13,000On Order On Order Ship Dates Mfr. No: CMT-4023S-SMT-TR Stock: 0 On Order: 1,000 Expected 30/10/2026 6,000 Expected 04/12/2026 6,000 Expected 05/02/2027 Factory Lead Time: 18 Weeks	Cut Tape £2.93 £2.23 £2.00 £1.81 View Reel £1.26 £1.68 £1.55 £1.47 £1.26 £1.26 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Speakers & Transducers Electro-Mechanical Transducer TE044003-1 DB Unlimited 100: £2.09 Non-Stocked	Mfr. Part No. TE044003-1 Mouser Part No 497-TE044003-1	DB Unlimited	Speakers & Transducers Electro-Mechanical Transducer	Datasheet	Non-Stocked	Reel £2.09 £2.04 £1.93 £1.88	Min.: 100 Mult.: 100 : 100
Speakers & Transducers Electro-Mechanical Transducer TE044003-2 DB Unlimited 1: £2.37 Non-Stocked	Mfr. Part No. TE044003-2 Mouser Part No 497-TE044003-2	DB Unlimited	Speakers & Transducers Electro-Mechanical Transducer	Datasheet	Non-Stocked	Cut Tape £2.37 £1.73 £1.53 £1.41 Reel £1.20 View £1.18 £1.07 £0.995	Min.: 1 Mult.: 1 : 100
Speakers & Transducers ELECTROMAGNETIC 2-4 AC VPP 70DB 4000HZ 4X4X2 AST0440MFD-03Q Mallory Sonalert 1: £4.53 Non-Stocked Lead-Time 30 Weeks	Mfr. Part No. AST0440MFD-03Q Mouser Part No 539-AST0440MFD-03Q	Mallory Sonalert	Speakers & Transducers ELECTROMAGNETIC 2-4 AC VPP 70DB 4000HZ 4X4X2	Datasheet	Non-Stocked Lead-Time 30 Weeks	£4.53 £4.34	Min.: 1 Mult.: 1

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