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CMS Micro Speakers

CUI Devices CMS Micro Speakers are compact, low-profile speakers housed in rectangular frame packages as small as 15mm x 11mm up to 18mm x 13mm. The CMS series, with profile depths as low as 2.5mm, offers input power ratings of 0.7W or 0.8W and impedance of 6Ω or 8Ω. These rectangular micro speakers feature Mylar cone types, neodymium (NdFeB) magnets, and a number of mounting styles, including wire leads, solder pads, and spring terminals. Sound pressure levels range from 88db up to 93dB at 0.1 metres, making the CMS series ideal for space-constrained consumer electronics, portable equipment, and more.

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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.	Product	Type	Mounting Style	Frequency	Sound Pressure Level	Impedance	Power Rating	Shape	Termination Style	Minimum Operating Temperature	Maximum Operating Temperature	Diameter	Length	Width	Depth	Magnet Material	Cone Material	IP Rating
Speakers & Transducers 30x20mm oval, 1W, 8ohm, 700Hz CMS-30204-18L250 Same Sky 1: £1.62 2,063In Stock	Mfr. Part No. CMS-30204-18L250 Mouser Part No 179-CMS-30204-18L250	Same Sky	Speakers & Transducers 30x20mm oval, 1W, 8ohm, 700Hz Learn More about Same Sky cui cms micro speakers	Datasheet	2,063In Stock	£1.62 £1.26 £0.934 £0.882 View £0.841 £0.746 £0.70 £0.68	Min.: 1 Mult.: 1	Speakers				94 dB	8 Ohms	1 W	Oval	Wire Leads	- 25 C	+ 65 C		30 mm	20 mm		Neodymium Iron Boron (NdFeB)	Polyethylene Terephthalate (PET)
Speakers & Transducers 31mm square, 3W, 8ohm, 380Hz CMS-3118-38E Same Sky 1: £5.59 496In Stock	Mfr. Part No. CMS-3118-38E Mouser Part No 179-CMS-3118-38E	Same Sky	Speakers & Transducers 31mm square, 3W, 8ohm, 380Hz Learn More about Same Sky cui cms micro speakers	Datasheet	496In Stock	£5.59 £4.34 £3.94 £3.66 View £3.47 £3.37 £3.03 Quote	Min.: 1 Mult.: 1	Speakers		Frame Mount		98 dB	8 Ohms	3 W	Square	Solder	- 25 C	+ 85 C		31.6 mm	31.6 mm		Neodymium Iron Boron (NdFeB)	Aluminum, Rubber
Speakers & Transducers 40.5mm square, 5W, 4ohm, 140Hz CMS-4028-54E Same Sky 1: £8.42 491In Stock	Mfr. Part No. CMS-4028-54E Mouser Part No 179-CMS-4028-54E	Same Sky	Speakers & Transducers 40.5mm square, 5W, 4ohm, 140Hz Learn More about Same Sky cui cms micro speakers	Datasheet	491In Stock	£8.42 £6.56 £5.95 £5.53 View £5.14 £5.01 £4.79 £4.68	Min.: 1 Mult.: 1	Speakers		Frame Mount		84 dB	4 Ohms	5 W	Square	Solder	- 40 C	+ 75 C		40.5 mm	40.5 mm		Neodymium Iron Boron (NdFeB)	Paper, Rubber
Speakers & Transducers 22 mm, 7.8 mm deep, PU+PEN, Nd-Fe-B, 3 W, 4 ohm, 380 Hz, solder pads CMS-2278-34SP Same Sky 1: £2.92 644In Stock	Mfr. Part No. CMS-2278-34SP Mouser Part No 179-CMS-2278-34SP	Same Sky	Speakers & Transducers 22 mm, 7.8 mm deep, PU+PEN, Nd-Fe-B, 3 W, 4 ohm, 380 Hz, solder pads Learn More about Same Sky cui cms micro speakers	Datasheet	644In Stock	£2.92 £1.85 £1.57 £1.55 £1.54	Min.: 1 Mult.: 1	Speakers	Speaker				4 Ohms			Solder	- 20 C	+ 60 C						Paper
Speakers & Transducers speaker, 66x 66 x 20 mm deep square, paper, Ferrite, .25 W, 8 ohm, 500 Hz, solder eyelets CDS-5017-0258E Same Sky 1: £3.42 433In Stock New Product	Mfr. Part No. CDS-5017-0258E Mouser Part No 179-CDS-5017-0258E New Product	Same Sky	Speakers & Transducers speaker, 66x 66 x 20 mm deep square, paper, Ferrite, .25 W, 8 ohm, 500 Hz, solder eyelets Learn More about Same Sky cui cms micro speakers	Datasheet	433In Stock	£3.42 £2.62 £2.36 £2.17 View £2.03 £1.84 £1.69 £1.60	Min.: 1 Mult.: 1	Speakers		Flange Mount		84 dB	8 Ohms	250 mW	Square	Solder Eyelet	- 20 C	+ 60 C		50 mm	50 mm		Ferrite	Paper
Speakers & Transducers speaker, 57 x 18.1 mm deep round, cloth & paper, Ferrite, .25 W, 8 ohm, 420 Hz, solder eyelets CDS-5718-0258E Same Sky 1: £3.98 114In Stock New Product	Mfr. Part No. CDS-5718-0258E Mouser Part No 179-CDS-5718-0258E New Product	Same Sky	Speakers & Transducers speaker, 57 x 18.1 mm deep round, cloth & paper, Ferrite, .25 W, 8 ohm, 420 Hz, solder eyelets Learn More about Same Sky cui cms micro speakers	Datasheet	114In Stock	£3.98 £3.05 £2.61 £2.42 View £2.32 £2.12 £1.99 £1.90	Min.: 1 Mult.: 1	Speakers		Flange Mount		93 dB	8 Ohms	250 mW	Round	Solder Eyelet	- 30 C	+ 75 C	57 mm				Neodymium Iron Boron (NdFeB)	Paper
Speakers & Transducers speaker, 57 x 19.5 mm deep round, PET, NdFeB, .3 W, 8 ohm, 450 Hz, solder eyelets CDS-5719-038E Same Sky 1: £4.53 407In Stock New Product	Mfr. Part No. CDS-5719-038E Mouser Part No 179-CDS-5719-038E New Product	Same Sky	Speakers & Transducers speaker, 57 x 19.5 mm deep round, PET, NdFeB, .3 W, 8 ohm, 450 Hz, solder eyelets Learn More about Same Sky cui cms micro speakers	Datasheet	407In Stock	£4.53 £3.49 £3.18 £2.92 View £2.72 £2.50 £2.30 £2.24	Min.: 1 Mult.: 1	Speakers		Flange Mount		96.5 dB	8 Ohms	300 mW	Round	Solder Eyelet	- 30 C	+ 60 C	57 mm				Neodymium Iron Boron (NdFeB)	Polyethylene Terephthalate (PET)
Speakers & Transducers speaker, 57 x 19.5 mm deep round, PET, NdFeB, 1 W, 8 ohm, 400 Hz, solder eyelets CDS-5719-18E Same Sky 1: £3.68 374In Stock New Product	Mfr. Part No. CDS-5719-18E Mouser Part No 179-CDS-5719-18E New Product	Same Sky	Speakers & Transducers speaker, 57 x 19.5 mm deep round, PET, NdFeB, 1 W, 8 ohm, 400 Hz, solder eyelets Learn More about Same Sky cui cms micro speakers	Datasheet	374In Stock	£3.68 £2.82 £2.53 £2.35 View £2.17 £1.98 £1.82 £1.74	Min.: 1 Mult.: 1	Speakers		Flange Mount		84 dB	8 Ohms	1 W	Round	Solder Eyelet	- 30 C	+ 75 C	57 mm				Neodymium Iron Boron (NdFeB)	Paper
Speakers & Transducers speaker, 57x 57 x 19.5 mm deep square, PET, NdFeB, .25 W, 8 ohm, 500 Hz, solder eyelets CDS-575719-0258E Same Sky 1: £4.29 384In Stock New Product	Mfr. Part No. CDS-575719-0258E Mouser Part No 179-CDS-575719-0258E New Product	Same Sky	Speakers & Transducers speaker, 57x 57 x 19.5 mm deep square, PET, NdFeB, .25 W, 8 ohm, 500 Hz, solder eyelets Learn More about Same Sky cui cms micro speakers	Datasheet	384In Stock	£4.29 £3.30 £3.02 £2.77 View £2.58 £2.37 £2.18 £2.12	Min.: 1 Mult.: 1	Speakers		Flange Mount		99 dB	8 Ohms	250 mW	Square	Solder Eyelet	- 30 C	+ 75 C		57 mm	57 mm		Neodymium Iron Boron (NdFeB)	Paper
Speakers & Transducers speaker, 66x 66 x 20 mm deep square, PET, Ferrite, .5 W, 8 ohm, 430 Hz, solder eyelets CDS-6620-058E Same Sky 1: £3.55 381In Stock New Product	Mfr. Part No. CDS-6620-058E Mouser Part No 179-CDS-6620-058E New Product	Same Sky	Speakers & Transducers speaker, 66x 66 x 20 mm deep square, PET, Ferrite, .5 W, 8 ohm, 430 Hz, solder eyelets Learn More about Same Sky cui cms micro speakers	Datasheet	381In Stock	£3.55 £2.72 £2.44 £2.27 View £2.10 £1.90 £1.75 £1.67	Min.: 1 Mult.: 1	Speakers		Flange Mount		87 dB	8 Ohms	500 mW	Square	Solder Eyelet	- 20 C	+ 60 C		66 mm	66 mm		Ferrite	Polyethylene Terephthalate (PET)
Speakers & Transducers 48 square, 37.6mm deep, Nd-Fe-B, PU+paper, 5 W, 4 ?, 170 Hz, solder pad CDS-4837-54SP Same Sky 1: £9.86 304In Stock	Mfr. Part No. CDS-4837-54SP Mouser Part No 179-CDS-4837-54SP	Same Sky	Speakers & Transducers 48 square, 37.6mm deep, Nd-Fe-B, PU+paper, 5 W, 4 ?, 170 Hz, solder pad Learn More about Same Sky cui double magnet speakers	Datasheet	304In Stock	£9.86 £7.68 £6.98 £6.49 View £6.05 £5.53	Min.: 1 Mult.: 1	Speakers	Speaker			84 dB	4 Ohms	5 W		Solder	- 20 C	+ 60 C	48 mm					Paper
Speakers & Transducers 55.2x30mm, Square Frame, 20W, 4Ohm, Speaker CDS-5532-204L300 Same Sky 1: £13.30 567In Stock	Mfr. Part No. CDS-5532-204L300 Mouser Part No 179-CDS-5532-204L300	Same Sky	Speakers & Transducers 55.2x30mm, Square Frame, 20W, 4Ohm, Speaker Learn More about Same Sky cui cms micro speakers	Datasheet	567In Stock	£13.30 £10.29 £9.34 £8.75 View £8.16 £7.72	Min.: 1 Mult.: 1	Speakers		Wire Leads		83 dB	4 Ohms	20 W	Square	Solder	- 25 C	+ 60 C		55.2 mm	55.2 mm		Neodymium Iron Boron (NdFeB)	Paper, Rubber
Speakers & Transducers 57 mm round, 17.5 mm deep, PET, NdFeB, 4W, 4 ohm, 550Hz, solder eyelets CDS-5717-44E Same Sky 1: £6.12 1,451In Stock	Mfr. Part No. CDS-5717-44E Mouser Part No 179-CDS-5717-44E	Same Sky	Speakers & Transducers 57 mm round, 17.5 mm deep, PET, NdFeB, 4W, 4 ohm, 550Hz, solder eyelets Learn More about Same Sky cui cms micro speakers	Datasheet	1,451In Stock	£6.12 £4.74 £4.30 £3.98 View £3.75 £3.41 £3.19	Min.: 1 Mult.: 1	Speakers	Standard Speaker		550 Hz	94 dB, 98 dB	4 Ohms	4 W	Round	Solder Eyelet	- 20 C	+ 60 C	57 mm				Neodymium Magnet (NdFeB)	Polyethylene Terephthalate (PET)
Speakers & Transducers 13 mm square, 4 mm deep, PI, SmCo, .7 W, 8 ohm, 900Hz, surface mount CMS-131304-SMT-TR Same Sky 1: £3.13 1,459In Stock 600Expected 02/10/2026	Mfr. Part No. CMS-131304-SMT-TR Mouser Part No 179-CMS-131304-SMTTR	Same Sky	Speakers & Transducers 13 mm square, 4 mm deep, PI, SmCo, .7 W, 8 ohm, 900Hz, surface mount Learn More about Same Sky cui cms micro speakers	Datasheet	1,459In Stock 600Expected 02/10/2026	Cut Tape £3.13 £2.38 £2.13 £1.93 Reel £1.51 View £1.80 £1.66 £1.35 MouseReel Available	Min.: 1 Mult.: 1 : 600	Speakers	Miniature Speaker	SMD/SMT	900 Hz	87 dB	8 Ohms	700 mW	Square	SMD/SMT	- 40 C	+ 85 C		13 mm	13 mm		Samarium Cobalt (SmCo)	Polyimide (PI)
Speakers & Transducers 30mm round, 4.8 mm deep, PET, NdFeB, .5W, 8 ohm, 500Hz, solder pads CMS-3048-058SP Same Sky 1: £2.25 3,850In Stock	Mfr. Part No. CMS-3048-058SP Mouser Part No 179-CMS-3048-058SP	Same Sky	Speakers & Transducers 30mm round, 4.8 mm deep, PET, NdFeB, .5W, 8 ohm, 500Hz, solder pads Learn More about Same Sky cui cms micro speakers	Datasheet	3,850In Stock	£2.25 £1.63 £1.45 £1.37 View £1.20 £1.12 £1.02 £0.952 £0.925	Min.: 1 Mult.: 1	Speakers	Miniature Speaker		500 Hz	88 dB, 95 dB	8 Ohms	500 mW (1/2 W)	Round	Solder	- 20 C	+ 60 C	30 mm				Neodymium Magnet (NdFeB)	Polyethylene Terephthalate (PET)
Speakers & Transducers 16 x 9 mm, Rectangular Frame, 0.7 W, 6 Ohm, Neodymium Magnet, PEEK Cone, Wire Leads with Connector, Speaker CMS-16093-076L100B Same Sky 1: £2.26 1,000In Stock	Mfr. Part No. CMS-16093-076L100B Mouser Part No 490-CMS16093076L100B	Same Sky	Speakers & Transducers 16 x 9 mm, Rectangular Frame, 0.7 W, 6 Ohm, Neodymium Magnet, PEEK Cone, Wire Leads with Connector, Speaker Learn More about Same Sky cui cms micro speakers	Datasheet	1,000In Stock	£2.26 £1.73 £1.55 £1.41 View £1.31 £1.18 £1.07 £1.02 £0.995	Min.: 1 Mult.: 1	Speakers	Micro	Board Mount	900 Hz	90 dBA	6 Ohms	700 mW	Rectangular	Wire Leads	- 20 C	+ 70 C		16 mm	9 mm	3 mm	Neodymium Iron Boron (NdFeB)	Polyetheretherketone (PEEK)	IP67
Speakers & Transducers 20 mm, 5 mm deep, foam+PEI, Nd-Fe-B, 2 W, 4 ohm, 650 Hz, solder pads CMS-2005-254SP Same Sky 1: £2.96 612In Stock	Mfr. Part No. CMS-2005-254SP Mouser Part No 179-CMS-2005-254SP	Same Sky	Speakers & Transducers 20 mm, 5 mm deep, foam+PEI, Nd-Fe-B, 2 W, 4 ohm, 650 Hz, solder pads Learn More about Same Sky cui cms micro speakers	Datasheet	612In Stock	£2.96 £2.26 £2.04 £1.89 View £1.75 £1.58 £1.51 £1.37 £1.36	Min.: 1 Mult.: 1	Speakers	Speaker				4 Ohms			Solder	- 20 C	+ 60 C						Paper
Speakers & Transducers 28 mm, 4.4 mm deep, PEI, Rare Earth, .5 W, 8 ohm, 390 Hz, solder pads CMS-2844-058SP Same Sky 1: £2.77 123In Stock	Mfr. Part No. CMS-2844-058SP Mouser Part No 179-CMS-2844-058SP	Same Sky	Speakers & Transducers 28 mm, 4.4 mm deep, PEI, Rare Earth, .5 W, 8 ohm, 390 Hz, solder pads Learn More about Same Sky cui cms micro speakers	Datasheet	123In Stock	£2.77 £2.01 £1.79 £1.58 View £1.48 £1.37 £1.25 £1.16	Min.: 1 Mult.: 1	Speakers	Speaker				4 Ohms			Solder	- 20 C	+ 60 C						Paper
Speakers & Transducers 36 mm, 4.8 mm deep, PEN, Rare Earth, 1.5 W, 8 ohm, 600 Hz, solder pads CMS-3648-158SP Same Sky 1: £3.54 343In Stock	Mfr. Part No. CMS-3648-158SP Mouser Part No 179-CMS-3648-158SP	Same Sky	Speakers & Transducers 36 mm, 4.8 mm deep, PEN, Rare Earth, 1.5 W, 8 ohm, 600 Hz, solder pads Learn More about Same Sky cui cms micro speakers	Datasheet	343In Stock	£3.54 £2.73 £2.57 £2.33 View £2.30 £2.06 £1.86 £1.76	Min.: 1 Mult.: 1	Speakers	Speaker				4 Ohms			Solder	- 20 C	+ 60 C						Paper
Speakers & Transducers 45.2 square, 28.1mm deep, Nd-Fe-B, PU+paper, 4 W, 4 ?, 200 Hz, 100mm wire leads CDS-4528-44L100 Same Sky 1: £6.35 231In Stock	Mfr. Part No. CDS-4528-44L100 Mouser Part No 179-CDS-4528-44L100	Same Sky	Speakers & Transducers 45.2 square, 28.1mm deep, Nd-Fe-B, PU+paper, 4 W, 4 ?, 200 Hz, 100mm wire leads Learn More about Same Sky cui double magnet speakers	Datasheet	231In Stock	£6.35 £4.91 £4.43 £4.12 View £3.88 £3.52 £3.30	Min.: 1 Mult.: 1	Speakers	Speaker			84 dB	4 Ohms	4 W		Wire Leads	- 20 C	+ 60 C		45.2 mm	45.2 mm			Paper
Speakers & Transducers 50 mm round, 26 mm deep, Foam + Paper, NdFeB, 5W, 4 ohm, 180Hz, solder eyelets CDS-5026-54E Same Sky 1: £3.03 485In Stock	Mfr. Part No. CDS-5026-54E Mouser Part No 179-CDS-5026-54E	Same Sky	Speakers & Transducers 50 mm round, 26 mm deep, Foam + Paper, NdFeB, 5W, 4 ohm, 180Hz, solder eyelets Learn More about Same Sky cui cms micro speakers	Datasheet	485In Stock	£3.03 £2.33 £2.23 £1.94 View £1.80 £1.63 £1.55 £1.48 £1.47	Min.: 1 Mult.: 1	Speakers	Standard Speaker		200 Hz	86 dB, 93 dB	4 Ohms	5 W	Round	Solder Eyelet	- 20 C	+ 60 C	50 mm				Ferrite	Foam, Paper
Speakers & Transducers 15 mm square, 4 mm deep, PI, SmCo, .5 W, 8 ohm, 850Hz, surface mount CMS-151504-SMT-TR Same Sky 1: £3.03 545In Stock	Mfr. Part No. CMS-151504-SMT-TR Mouser Part No 179-CMS-151504-SMTTR	Same Sky	Speakers & Transducers 15 mm square, 4 mm deep, PI, SmCo, .5 W, 8 ohm, 850Hz, surface mount Learn More about Same Sky cui cms micro speakers	Datasheet	545In Stock	Cut Tape £3.03 £2.31 £2.07 £1.88 Reel £1.47 View £1.75 £1.61 £1.31	Min.: 1 Mult.: 1 : 600	Speakers	Miniature Speaker	SMD/SMT	850 Hz	88 dB	8 Ohms	500 mW (1/2 W)	Square	Solder	- 20 C	+ 70 C		15 mm	15 mm		Samarium Cobalt (SmCo)	Polyimide (PI)
Speakers & Transducers 15 mm round, 3.5 mm deep, PEN, NdFeB, .5W, 8 ohm, 1000Hz, solder pads CMS-1535-058SP Same Sky 1: £1.75 461In Stock	Mfr. Part No. CMS-1535-058SP Mouser Part No 179-CMS-1535-058SP	Same Sky	Speakers & Transducers 15 mm round, 3.5 mm deep, PEN, NdFeB, .5W, 8 ohm, 1000Hz, solder pads Learn More about Same Sky cui cms micro speakers	Datasheet	461In Stock	£1.75 £1.34 £1.21 £1.13 View £1.04 £0.917 £0.871 £0.834 £0.794	Min.: 1 Mult.: 1	Speakers	Miniature Speaker		1 kHz	89 dB, 96 dB	8 Ohms	500 mW (1/2 W)	Round	Solder	- 20 C	+ 85 C	15 mm				Neodymium Magnet (NdFeB)	Polyethylene Naphthalate (PEN)
Speakers & Transducers 15mm round, .5W, 8ohm, 1000Hz CMS-1545-058L55 Same Sky 1: £1.41 526In Stock	Mfr. Part No. CMS-1545-058L55 Mouser Part No 179-CMS-1545-058L55	Same Sky	Speakers & Transducers 15mm round, .5W, 8ohm, 1000Hz Learn More about Same Sky cui cms micro speakers	Datasheet	526In Stock	£1.41 £1.07 £0.96 £0.834 View £0.766 £0.737 £0.699 £0.636 £0.579	Min.: 1 Mult.: 1	Speakers		Panel Mount		90 dB	8 Ohms	500 mW	Round	Wire Leads	- 30 C	+ 65 C	15 mm				Neodymium Iron Boron (NdFeB)	Polyetherimide (PEI), Polyurethane (PUR)
Speakers & Transducers 20 mmx10mm rectangular, 2.94 mm deep, Peek, NdFeB, 1W, 8 ohm, 900Hz, solder pads CMS-201026-18SP Same Sky 1: £2.25 555In Stock	Mfr. Part No. CMS-201026-18SP Mouser Part No 179-CMS-201026-18SP	Same Sky	Speakers & Transducers 20 mmx10mm rectangular, 2.94 mm deep, Peek, NdFeB, 1W, 8 ohm, 900Hz, solder pads Learn More about Same Sky cui cms micro speakers	Datasheet	555In Stock	£2.25 £1.63 £1.45 £1.37 View £1.16 £1.12 £1.02 £0.952 £0.925	Min.: 1 Mult.: 1	Speakers	Miniature Speaker		900 Hz	94 dB	8 Ohms	1 W	Rectangular	Solder	- 20 C	+ 70 C		20 mm	10 mm		Neodymium Magnet (NdFeB)	Polyetheretherketone (PEEK)