The CMS-181325-078S from Same Sky is a high-quality miniature speaker designed for precise audio applications. Manufactured in China, this compact audio device features a robust construction with a Nd-Fe-B magnet and a PEEK cone material, ensuring durability and reliable performance in various environments.
Key features include:
Impedance: 8 Ω
Rated Power: 0.7 W
Frequency Response: 500 Hz to 10,000 Hz
Resonant Frequency (Fo): 640 Hz (typical 880 Hz)
Sound Pressure Level: 90 to 96 dB at 0.7 W, 10 cm
Dimensions: 18 x 13 x 2.5 mm
Operating Temperature Range: -20°C to 70°C
Storage Temperature Range: -40°C to 85°C
RoHS Compliant
Electrical specifications include:
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 kHz
2.37 Vrms, in 1 cc box
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
640
880
Hz
Frequency Response
500
10,000
Hz
Sound Pressure Level
at 0.7 W, 10 cm, 1 cc box
90
93
96
dB
Distortion
at 1,201~5,000 Hz, 2.37 Vrms, 10 cm
15
10
%
The speaker features a cone movement polarity that moves forward with a positive DC current to the "+" terminal. It is suitable for various audio applications requiring miniature form factors and reliable performance.
Mechanical dimensions are 18 x 13 x 2.5 mm, with options for wire leads, spring contacts, or solder pads. The device supports hand soldering at a maximum of 380°C for up to 3 seconds.
For detailed mechanical drawings, 3D models, PCB footprints, and additional resources, please visit the datasheet.
Product Metadata:
Part Number: CMS-181325-078S
Manufacturer: Same Sky
Country of Origin: CN
Unit of Measure: EA
ECCN: EAR99
Package Type: Not specified
Note: All specifications are measured under standard conditions (15~35°C, humidity 25~75%, pressure 86~106 kPa). For more detailed information, please refer to the datasheet.
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Manufactured in China, this compact audio device features a robust construction with a Nd-Fe-B magnet and a PEEK cone material, ensuring durability and reliable performance in various environments.\u003c\/p\u003e\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImpedance: 8 Ω\u003c\/li\u003e\n\u003cli\u003eRated Power: 0.7 W\u003c\/li\u003e\n\u003cli\u003eFrequency Response: 500 Hz to 10,000 Hz\u003c\/li\u003e\n\u003cli\u003eResonant Frequency (Fo): 640 Hz (typical 880 Hz)\u003c\/li\u003e\n\u003cli\u003eSound Pressure Level: 90 to 96 dB at 0.7 W, 10 cm\u003c\/li\u003e\n\u003cli\u003eDimensions: 18 x 13 x 2.5 mm\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: -20°C to 70°C\u003c\/li\u003e\n\u003cli\u003eStorage Temperature Range: -40°C to 85°C\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eElectrical specifications include:\u003c\/p\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 kHz\u003c\/td\u003e\n\u003ctd\u003e2.37 Vrms, in 1 cc box\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\u003e640\u003c\/td\u003e\n\u003ctd\u003e880\u003c\/td\u003e\n\u003ctd\u003e\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\u003e500\u003c\/td\u003e\n\u003ctd\u003e10,000\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, 1 cc box\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e93\u003c\/td\u003e\n\u003ctd\u003e96\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 1,201~5,000 Hz, 2.37 Vrms, 10 cm\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe speaker features a cone movement polarity that moves forward with a positive DC current to the \"+\" terminal. It is suitable for various audio applications requiring miniature form factors and reliable performance.\u003c\/p\u003e\n\u003cp\u003eMechanical dimensions are 18 x 13 x 2.5 mm, with options for wire leads, spring contacts, or solder pads. The device supports hand soldering at a maximum of 380°C for up to 3 seconds.\u003c\/p\u003e\n\u003cp\u003eFor detailed mechanical drawings, 3D models, PCB footprints, and additional resources, please visit the \u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/cms-181325-078x.pdf\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eProduct Metadata:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: CMS-181325-078S\u003c\/li\u003e\n\u003cli\u003eManufacturer: Same Sky\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: Not specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: All specifications are measured under standard conditions (15~35°C, humidity 25~75%, pressure 86~106 kPa). For more detailed information, please refer to the \u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/cms-181325-078x.pdf\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e","published_at":"2025-08-10T19:57:33+05:30","created_at":"2025-08-10T19:57:33+05:30","vendor":"Waldom Electonics","type":"Audio Devices","tags":["1100Hz","7W","Audio","IMPORT_CSV","SAME","Speakers","Transducers","WLDM"],"price":15384,"price_min":15384,"price_max":15384,"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":50578785894717,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CMS-181325-078S","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"CMS-181325-078S","public_title":null,"options":["Default Title"],"price":15384,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"CMS-181325-078S","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/52141365.jpg?v=1754836056"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/52141365.jpg?v=1754836056","options":["Title"],"media":[{"alt":null,"id":45764759322941,"position":1,"preview_image":{"aspect_ratio":1.0,"height":640,"width":640,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/52141365.jpg?v=1754836056"},"aspect_ratio":1.0,"height":640,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/52141365.jpg?v=1754836056","width":640}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eSame Sky CMS-181325-078S Miniature Speaker\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eCMS-181325-078S\u003c\/strong\u003e from \u003cstrong\u003eSame Sky\u003c\/strong\u003e is a high-quality miniature speaker designed for precise audio applications. Manufactured in China, this compact audio device features a robust construction with a Nd-Fe-B magnet and a PEEK cone material, ensuring durability and reliable performance in various environments.\u003c\/p\u003e\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eImpedance: 8 Ω\u003c\/li\u003e\n\u003cli\u003eRated Power: 0.7 W\u003c\/li\u003e\n\u003cli\u003eFrequency Response: 500 Hz to 10,000 Hz\u003c\/li\u003e\n\u003cli\u003eResonant Frequency (Fo): 640 Hz (typical 880 Hz)\u003c\/li\u003e\n\u003cli\u003eSound Pressure Level: 90 to 96 dB at 0.7 W, 10 cm\u003c\/li\u003e\n\u003cli\u003eDimensions: 18 x 13 x 2.5 mm\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: -20°C to 70°C\u003c\/li\u003e\n\u003cli\u003eStorage Temperature Range: -40°C to 85°C\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eElectrical specifications include:\u003c\/p\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 kHz\u003c\/td\u003e\n\u003ctd\u003e2.37 Vrms, in 1 cc box\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\u003e640\u003c\/td\u003e\n\u003ctd\u003e880\u003c\/td\u003e\n\u003ctd\u003e\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\u003e500\u003c\/td\u003e\n\u003ctd\u003e10,000\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, 1 cc box\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e93\u003c\/td\u003e\n\u003ctd\u003e96\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 1,201~5,000 Hz, 2.37 Vrms, 10 cm\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe speaker features a cone movement polarity that moves forward with a positive DC current to the \"+\" terminal. It is suitable for various audio applications requiring miniature form factors and reliable performance.\u003c\/p\u003e\n\u003cp\u003eMechanical dimensions are 18 x 13 x 2.5 mm, with options for wire leads, spring contacts, or solder pads. The device supports hand soldering at a maximum of 380°C for up to 3 seconds.\u003c\/p\u003e\n\u003cp\u003eFor detailed mechanical drawings, 3D models, PCB footprints, and additional resources, please visit the \u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/cms-181325-078x.pdf\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eProduct Metadata:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: CMS-181325-078S\u003c\/li\u003e\n\u003cli\u003eManufacturer: Same Sky\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: Not specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: All specifications are measured under standard conditions (15~35°C, humidity 25~75%, pressure 86~106 kPa). For more detailed information, please refer to the \u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/cms-181325-078x.pdf\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e"}
