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4 mm Audio Devices

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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: $2.80 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 $2.80 $2.20 $2.01 $1.87 View Reel $1.37 $1.75 $1.69 $1.62 $1.55 $1.37	Min.: 1 Mult.: 1 : 3,000
Speakers & Transducers Magnetic Transducer SMT 4mm 3V 4.0kHz Sq MT-SMT04-0340-SK VCC 1: $2.55 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 $2.55 $2.01 $1.83 $1.70 View Reel $1.23 $1.59 $1.52 $1.47 $1.24 $1.23	Min.: 1 Mult.: 1 : 3,000
Speakers & Transducers EM 70dB 4000Hz 3 v6k Top Fire SMT-0440-T-R PUI Audio 1: $4.41 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 $4.41 $3.40 $3.07 $2.80 View Reel $2.19 $2.70 $2.40 $2.21 $2.19 $2.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Microphones ELECTRET CONDENSER MICROPHONE -24DB AOM-5024L-HD-R PUI Audio 1: $4.58 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	$4.58 $3.46 $3.09 $2.80 View $2.53 $2.31 $2.18 $2.13	Min.: 1 Mult.: 1
Speakers & Transducers EM 70dB 4000Hz 3 v6k Side Fire SMT-0440-S-R PUI Audio 1: $4.29 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 $4.29 $3.28 $2.96 $2.73 View Reel $2.19 $2.55 $2.31 $2.19 $2.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Microphones ELECTRET CONDENSER MICROPHONE -30DB POM-2730L-HD-R PUI Audio 1: $3.60 969In 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	969In Stock	$3.60 $2.82 $2.80 $2.60 View $2.40 $2.26 $2.06	Min.: 1 Mult.: 1
Microphones ELECTRET CONDENSER MICROPHONE -35DB ROM-2235L-HD-R PUI Audio 1: $4.17 560In 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	560In Stock	$4.17 $3.03 $2.69 $2.39 View $2.11 $1.97 $1.89	Min.: 1 Mult.: 1
Speakers & Transducers ELECTROMAGNETIC 2-4 AC VPP 70DB 4000HZ 4X4X2 AST0440MFD-03TRQ Mallory Sonalert 1: $4.73 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 $4.73 $3.62 $3.27 $3.03 View Reel $2.45 $2.81 $2.62 $2.45 $2.45	Min.: 1 Mult.: 1 : 3,000
Microphones ELECTRET CONDENSER MICROPHONE -27DB DOM-3027L-HD-R PUI Audio 1: $3.65 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	$3.65 $2.86 $2.63 $2.49 $2.09	Min.: 1 Mult.: 1
Microphones OMNI-DIRECTIONAL MICROPHONE 4MM DIA TOM-1545L-LW100-R PUI Audio 1: $3.62 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	$3.62 $2.76 $2.49 $2.29 View $2.13 $1.90 $1.80	Min.: 1 Mult.: 1
Microphones MICROPHONE -46DB 2VDC .5MA 2.2KOHM DUM-4546L-C3310-R PUI Audio 1: $2.76 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	$2.76 $2.14 $1.93 $1.80 View $1.62 $1.48 $1.42	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Board Mount Buzzer 4mm sq 4kHz 3V SMT CMT-4023S-SMT-TR Same Sky 1: $3.91 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 $3.91 $2.97 $2.66 $2.41 View Reel $1.61 $2.23 $2.06 $1.95 $1.61 $1.61 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Speakers & Transducers Electro-Mechanical Transducer TE044003-1 DB Unlimited 100: $2.78 Non-Stocked	Mfr. Part No. TE044003-1 Mouser Part No 497-TE044003-1	DB Unlimited	Speakers & Transducers Electro-Mechanical Transducer	Datasheet	Non-Stocked	Reel $2.78 $2.72 $2.57 $2.50	Min.: 100 Mult.: 100 : 100
Speakers & Transducers Electro-Mechanical Transducer TE044003-2 DB Unlimited 1: $3.16 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 $3.16 $2.30 $2.04 $1.88 Reel $1.59 View $1.57 $1.42 $1.33	Min.: 1 Mult.: 1 : 100
Speakers & Transducers ELECTROMAGNETIC 2-4 AC VPP 70DB 4000HZ 4X4X2 AST0440MFD-03Q Mallory Sonalert 1: $6.03 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	$6.03 $5.78	Min.: 1 Mult.: 1

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