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4 mm Audio Devices

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) 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: $3.81 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 $3.81 $2.99 $2.73 $2.54 View Reel $1.86 $2.38 $2.30 $2.20 $2.11 $1.86	Min.: 1 Mult.: 1 : 3,000
Speakers & Transducers Magnetic Transducer SMT 4mm 3V 4.0kHz Sq MT-SMT04-0340-SK VCC 1: $3.47 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 $3.47 $2.73 $2.49 $2.31 View Reel $1.67 $2.16 $2.07 $2.00 $1.69 $1.67	Min.: 1 Mult.: 1 : 3,000
Speakers & Transducers EM 70dB 4000Hz 3 v6k Top Fire SMT-0440-T-R PUI Audio 1: $6.00 8,418In Stock 12,000Expected 15/1/2027	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 15/1/2027	Cut Tape $6.00 $4.62 $4.18 $3.81 View Reel $2.98 $3.67 $3.26 $3.01 $2.98 $2.98 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Microphones ELECTRET CONDENSER MICROPHONE -24DB AOM-5024L-HD-R PUI Audio 1: $6.23 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	$6.23 $4.71 $4.20 $3.81 View $3.44 $3.14 $2.96 $2.90	Min.: 1 Mult.: 1
Speakers & Transducers EM 70dB 4000Hz 3 v6k Side Fire SMT-0440-S-R PUI Audio 1: $5.83 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 $5.83 $4.46 $4.03 $3.71 View Reel $2.98 $3.47 $3.14 $2.98 $2.98 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Microphones ELECTRET CONDENSER MICROPHONE -30DB POM-2730L-HD-R PUI Audio 1: $4.90 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	$4.90 $3.84 $3.81 $3.54 View $3.26 $3.07 $2.80	Min.: 1 Mult.: 1
Microphones ELECTRET CONDENSER MICROPHONE -35DB ROM-2235L-HD-R PUI Audio 1: $5.67 558In 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	558In Stock	$5.67 $4.12 $3.66 $3.25 View $2.87 $2.68 $2.57	Min.: 1 Mult.: 1
Speakers & Transducers ELECTROMAGNETIC 2-4 AC VPP 70DB 4000HZ 4X4X2 AST0440MFD-03TRQ Mallory Sonalert 1: $6.43 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 $6.43 $4.92 $4.45 $4.12 View Reel $3.33 $3.82 $3.56 $3.33 $3.33	Min.: 1 Mult.: 1 : 3,000
Microphones ELECTRET CONDENSER MICROPHONE -27DB DOM-3027L-HD-R PUI Audio 1: $4.96 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	$4.96 $3.89 $3.58 $3.39 $2.84	Min.: 1 Mult.: 1
Microphones OMNI-DIRECTIONAL MICROPHONE 4MM DIA TOM-1545L-LW100-R PUI Audio 1: $4.92 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	$4.92 $3.75 $3.39 $3.11 View $2.90 $2.58 $2.45	Min.: 1 Mult.: 1
Microphones MICROPHONE -46DB 2VDC .5MA 2.2KOHM DUM-4546L-C3310-R PUI Audio 1: $3.75 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	$3.75 $2.91 $2.62 $2.45 View $2.20 $2.01 $1.93	Min.: 1 Mult.: 1
Buzzers & Audio Indicators - Board Mount Buzzer 4mm sq 4kHz 3V SMT CMT-4023S-SMT-TR Same Sky 1: $5.32 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 4/12/2026 6,000 Expected 5/2/2027 Factory Lead Time: 18 Weeks	Cut Tape $5.32 $4.04 $3.62 $3.28 View Reel $2.19 $3.03 $2.80 $2.65 $2.19 $2.19 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Speakers & Transducers Electro-Mechanical Transducer TE044003-1 DB Unlimited 100: $3.78 Non-Stocked	Mfr. Part No. TE044003-1 Mouser Part No 497-TE044003-1	DB Unlimited	Speakers & Transducers Electro-Mechanical Transducer	Datasheet	Non-Stocked	Reel $3.78 $3.70 $3.50 $3.40	Min.: 100 Mult.: 100 : 100
Speakers & Transducers Electro-Mechanical Transducer TE044003-2 DB Unlimited 1: $4.30 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 $4.30 $3.13 $2.77 $2.56 Reel $2.16 View $2.14 $1.93 $1.81	Min.: 1 Mult.: 1 : 100
Speakers & Transducers ELECTROMAGNETIC 2-4 AC VPP 70DB 4000HZ 4X4X2 AST0440MFD-03Q Mallory Sonalert 1: $8.20 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	$8.20 $7.86	Min.: 1 Mult.: 1

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