The SPEAKERS & TRANSducers series from SAME SKY features compact, high-performance micro-speakers designed for demanding audio applications. These miniature speakers operate at 8Ω impedance and deliver a rated power of 0.7W, making them ideal for portable and embedded audio devices.
Part Number: CMS-151135-078S Manufacturer: SAME SKY Country of Origin: CN Unit of Measure: EA ECCN: EAR99 Package Type: TRAY Datasheet:Download Datasheet
Features
Micro-speaker with compact dimensions of 15 x 11 x 3.5 mm
Impedance: 8Ω
Rated Power: 0.7W
Frequency Response: 100Hz to 20kHz
Sound Pressure Level: up to 94 dB at 0.7W, 10cm
Magnet: Nd-Fe-B
Cone Material: Mylar
Operating Temperature: -20°C to 70°C
RoHS Compliant
Multiple termination options available, including spring contacts, solder pads, wire leads with Molex or JST connectors
Specifications
Parameter
Conditions/Description
Min
Typ
Max
Units
Input Power
Max power as per IEC-268-5, in 1 cc box
0.7
1.0
W
Impedance at 2.0 kHz
2.37 Vrms
6.8
8
9.2
Ω
Coil Resistance
6.48
7.2
7.92
Ω
Resonant Frequency (Fo)
at 2.37 Vrms in 1 cc box, 10 cm
680
850
1020
Hz
Frequency Response
100
20,000
Hz
Sound Pressure Level
at 0.7 W, 10 cm, avg 0.8-2.0 kHz
88
91
94
dB
Distortion
at 800~1,200 Hz, 2.37 Vrms, 10 cm
15%
Polarity
Cone moves forward with positive DC current to "+" terminal
Dimensions
15 x 11 x 3.5 mm
Magnet
Nd-Fe-B
Cone Material
Mylar
Weight
1.5 g
Operating Temperature
-20°C
70°C
Storage Temperature
-40°C
85°C
Soldering
Maximum 3 seconds at 380°C (N/A for spring contacts)
Mechanical and Packaging Details
Tray Size: 290 x 215 mm, QTY: 100 pcs per tray
Carton Size: 470 x 300 x 310 mm, QTY: 5,000 pcs per carton
Mechanical drawings and PCB footprint available in the datasheet.
For more detailed information, technical drawings, and 3D models, please visit the product page.
Note: All specifications are measured under standard conditions as specified in the datasheet. Please refer to the datasheet for detailed testing conditions and additional technical information.
Datasheet was not processed please search the internet for the part number CMS-151135-078S for more details.
{"id":10013982982461,"title":"CMS-151135-078S","handle":"cms-151135-078s","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSPEAKERS \u0026amp; TRANSducers\u003c\/strong\u003e series from \u003ca href=\"https:\/\/www.cuidevices.com\/track?actionLabel=Datasheet-ClickThrough-ProductPage\u0026amp;label=CMS-151135-078X.pdf\u0026amp;path=%2fproduct%2faudio%2fspeakers%2fminiature-(10-mm%7e40-mm)%2fcms-151135-078x-series\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eSAME SKY\u003c\/a\u003e features compact, high-performance micro-speakers designed for demanding audio applications. These miniature speakers operate at 8Ω impedance and deliver a rated power of 0.7W, making them ideal for portable and embedded audio devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e CMS-151135-078S\u003cbr\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e SAME SKY\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003cbr\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003cbr\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003cbr\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e TRAY\u003cbr\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-cud\/cms-151135-078x.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMicro-speaker with compact dimensions of 15 x 11 x 3.5 mm\u003c\/li\u003e\n\u003cli\u003eImpedance: 8Ω\u003c\/li\u003e\n\u003cli\u003eRated Power: 0.7W\u003c\/li\u003e\n\u003cli\u003eFrequency Response: 100Hz to 20kHz\u003c\/li\u003e\n\u003cli\u003eSound Pressure Level: up to 94 dB at 0.7W, 10cm\u003c\/li\u003e\n\u003cli\u003eMagnet: Nd-Fe-B\u003c\/li\u003e\n\u003cli\u003eCone Material: Mylar\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -20°C to 70°C\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant\u003c\/li\u003e\n\u003cli\u003eMultiple termination options available, including spring contacts, solder pads, wire leads with Molex or JST connectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eConditions\/Description\u003c\/th\u003e\n\u003cth\u003eMin\u003c\/th\u003e\n\u003cth\u003eTyp\u003c\/th\u003e\n\u003cth\u003eMax\u003c\/th\u003e\n\u003cth\u003eUnits\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Power\u003c\/td\u003e\n\u003ctd\u003eMax power as per IEC-268-5, in 1 cc box\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e0.7\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003ctd\u003eW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance at 2.0 kHz\u003c\/td\u003e\n\u003ctd\u003e2.37 Vrms\u003c\/td\u003e\n\u003ctd\u003e6.8\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e9.2\u003c\/td\u003e\n\u003ctd\u003eΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Resistance\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e6.48\u003c\/td\u003e\n\u003ctd\u003e7.2\u003c\/td\u003e\n\u003ctd\u003e7.92\u003c\/td\u003e\n\u003ctd\u003eΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant Frequency (Fo)\u003c\/td\u003e\n\u003ctd\u003eat 2.37 Vrms in 1 cc box, 10 cm\u003c\/td\u003e\n\u003ctd\u003e680\u003c\/td\u003e\n\u003ctd\u003e850\u003c\/td\u003e\n\u003ctd\u003e1020\u003c\/td\u003e\n\u003ctd\u003eHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e20,000\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound Pressure Level\u003c\/td\u003e\n\u003ctd\u003eat 0.7 W, 10 cm, avg 0.8-2.0 kHz\u003c\/td\u003e\n\u003ctd\u003e88\u003c\/td\u003e\n\u003ctd\u003e91\u003c\/td\u003e\n\u003ctd\u003e94\u003c\/td\u003e\n\u003ctd\u003edB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDistortion\u003c\/td\u003e\n\u003ctd\u003eat 800~1,200 Hz, 2.37 Vrms, 10 cm\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e15%\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolarity\u003c\/td\u003e\n\u003ctd\u003eCone moves forward with positive DC current to \"+\" terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e15 x 11 x 3.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003eNd-Fe-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone Material\u003c\/td\u003e\n\u003ctd\u003eMylar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e-20°C\u003c\/td\u003e\n\u003ctd\u003e70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C\u003c\/td\u003e\n\u003ctd\u003e85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoldering\u003c\/td\u003e\n\u003ctd\u003eMaximum 3 seconds at 380°C (N\/A for spring contacts)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical and Packaging Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTray Size: 290 x 215 mm, QTY: 100 pcs per tray\u003c\/li\u003e\n\u003cli\u003eCarton Size: 470 x 300 x 310 mm, QTY: 5,000 pcs per carton\u003c\/li\u003e\n\u003cli\u003eMechanical drawings and PCB footprint available in the datasheet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed information, technical drawings, and 3D models, please visit the \u003ca href=\"https:\/\/www.cuidevices.com\/track?actionLabel=Datasheet-ClickThrough-ProductPage\u0026amp;label=CMS-151135-078X.pdf\u0026amp;path=%2fproduct%2faudio%2fspeakers%2fminiature-(10-mm%7e40-mm)%2fcms-151135-078x-series\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eproduct page\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: All specifications are measured under standard conditions as specified in the datasheet. Please refer to the datasheet for detailed testing conditions and additional technical information.\u003c\/p\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number CMS-151135-078S for more details.\u003c\/p\u003e","published_at":"2025-08-11T00:08:32+05:30","created_at":"2025-08-11T00:08:32+05:30","vendor":"Waldom Electonics","type":"Audio Devices","tags":["550Hz","7W","Audio","IMPORT_CSV","SAME","Speakers","Transducers","WLDM"],"price":14414,"price_min":14414,"price_max":14414,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50579506528573,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CMS-151135-078S","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"CMS-151135-078S","public_title":null,"options":["Default Title"],"price":14414,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"CMS-151135-078S","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/CMS-151135-078S_52141345_087fde76.jpg?v=1754851115"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CMS-151135-078S_52141345_087fde76.jpg?v=1754851115","options":["Title"],"media":[{"alt":null,"id":45767256965437,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CMS-151135-078S_52141345_087fde76.jpg?v=1754851115"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CMS-151135-078S_52141345_087fde76.jpg?v=1754851115","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSPEAKERS \u0026amp; TRANSducers\u003c\/strong\u003e series from \u003ca href=\"https:\/\/www.cuidevices.com\/track?actionLabel=Datasheet-ClickThrough-ProductPage\u0026amp;label=CMS-151135-078X.pdf\u0026amp;path=%2fproduct%2faudio%2fspeakers%2fminiature-(10-mm%7e40-mm)%2fcms-151135-078x-series\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eSAME SKY\u003c\/a\u003e features compact, high-performance micro-speakers designed for demanding audio applications. These miniature speakers operate at 8Ω impedance and deliver a rated power of 0.7W, making them ideal for portable and embedded audio devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e CMS-151135-078S\u003cbr\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e SAME SKY\u003cbr\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003cbr\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003cbr\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003cbr\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e TRAY\u003cbr\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-cud\/cms-151135-078x.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMicro-speaker with compact dimensions of 15 x 11 x 3.5 mm\u003c\/li\u003e\n\u003cli\u003eImpedance: 8Ω\u003c\/li\u003e\n\u003cli\u003eRated Power: 0.7W\u003c\/li\u003e\n\u003cli\u003eFrequency Response: 100Hz to 20kHz\u003c\/li\u003e\n\u003cli\u003eSound Pressure Level: up to 94 dB at 0.7W, 10cm\u003c\/li\u003e\n\u003cli\u003eMagnet: Nd-Fe-B\u003c\/li\u003e\n\u003cli\u003eCone Material: Mylar\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -20°C to 70°C\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant\u003c\/li\u003e\n\u003cli\u003eMultiple termination options available, including spring contacts, solder pads, wire leads with Molex or JST connectors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eConditions\/Description\u003c\/th\u003e\n\u003cth\u003eMin\u003c\/th\u003e\n\u003cth\u003eTyp\u003c\/th\u003e\n\u003cth\u003eMax\u003c\/th\u003e\n\u003cth\u003eUnits\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Power\u003c\/td\u003e\n\u003ctd\u003eMax power as per IEC-268-5, in 1 cc box\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e0.7\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003ctd\u003eW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance at 2.0 kHz\u003c\/td\u003e\n\u003ctd\u003e2.37 Vrms\u003c\/td\u003e\n\u003ctd\u003e6.8\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e9.2\u003c\/td\u003e\n\u003ctd\u003eΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Resistance\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e6.48\u003c\/td\u003e\n\u003ctd\u003e7.2\u003c\/td\u003e\n\u003ctd\u003e7.92\u003c\/td\u003e\n\u003ctd\u003eΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant Frequency (Fo)\u003c\/td\u003e\n\u003ctd\u003eat 2.37 Vrms in 1 cc box, 10 cm\u003c\/td\u003e\n\u003ctd\u003e680\u003c\/td\u003e\n\u003ctd\u003e850\u003c\/td\u003e\n\u003ctd\u003e1020\u003c\/td\u003e\n\u003ctd\u003eHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e20,000\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound Pressure Level\u003c\/td\u003e\n\u003ctd\u003eat 0.7 W, 10 cm, avg 0.8-2.0 kHz\u003c\/td\u003e\n\u003ctd\u003e88\u003c\/td\u003e\n\u003ctd\u003e91\u003c\/td\u003e\n\u003ctd\u003e94\u003c\/td\u003e\n\u003ctd\u003edB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDistortion\u003c\/td\u003e\n\u003ctd\u003eat 800~1,200 Hz, 2.37 Vrms, 10 cm\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e15%\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolarity\u003c\/td\u003e\n\u003ctd\u003eCone moves forward with positive DC current to \"+\" terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e15 x 11 x 3.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003eNd-Fe-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone Material\u003c\/td\u003e\n\u003ctd\u003eMylar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e-20°C\u003c\/td\u003e\n\u003ctd\u003e70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C\u003c\/td\u003e\n\u003ctd\u003e85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoldering\u003c\/td\u003e\n\u003ctd\u003eMaximum 3 seconds at 380°C (N\/A for spring contacts)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical and Packaging Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTray Size: 290 x 215 mm, QTY: 100 pcs per tray\u003c\/li\u003e\n\u003cli\u003eCarton Size: 470 x 300 x 310 mm, QTY: 5,000 pcs per carton\u003c\/li\u003e\n\u003cli\u003eMechanical drawings and PCB footprint available in the datasheet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed information, technical drawings, and 3D models, please visit the \u003ca href=\"https:\/\/www.cuidevices.com\/track?actionLabel=Datasheet-ClickThrough-ProductPage\u0026amp;label=CMS-151135-078X.pdf\u0026amp;path=%2fproduct%2faudio%2fspeakers%2fminiature-(10-mm%7e40-mm)%2fcms-151135-078x-series\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eproduct page\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: All specifications are measured under standard conditions as specified in the datasheet. Please refer to the datasheet for detailed testing conditions and additional technical information.\u003c\/p\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number CMS-151135-078S for more details.\u003c\/p\u003e"}
