The GC0402MA is a high-quality miniature speaker designed for precise audio applications. Manufactured by SAME SKY and originating from China (COO: CN), this 40 mm round speaker offers reliable performance with a compact form factor.
Product Features
Diameter: 40 mm with a round frame
Rated power: 0.5 W
Impedance: 8 Ω
Magnet: Neodymium (Nd-Fe-B)
Cone material: PET
Dimensions: Ø40 x 4.9 mm
Weight: 9.8 g
RoHS compliant
Electrical & Mechanical Specifications
Parameter
Min
Typ
Max
Units
Input power
0.5
1.0
W
Impedance at 1.0 kHz, 1.0 V
6.8
8
9.2
Ω
Resonant frequency (Fo) at 1.0 V
464
580
696
Hz
Sound pressure level at 1.0 W, 50 cm, avg.
93
99
dB
Buzz, rattle, etc. must be normal at sine wave 2.0 V
Additional Details
Operating temperature: -25°C to 60°C
Hand soldering: maximum 3 seconds at 340-360°C
Resonant frequency (Fo): approximately 580 Hz
Frequency response: up to 10,000 Hz
Mechanical Drawing & Response Curve
Mechanical dimensions are specified as Ø40 x 4.9 mm with a tolerance of ±0.2 mm. The frequency response curve and other mechanical details are available in the datasheet.
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{"id":10026100162877,"title":"GC0402MA","handle":"gc0402ma","description":"\u003ch3\u003eSame Sky GC0402MA Speakers \u0026amp; Transducers\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGC0402MA\u003c\/strong\u003e is a high-quality miniature speaker designed for precise audio applications. Manufactured by \u003cstrong\u003eSAME SKY\u003c\/strong\u003e and originating from China (COO: CN), this 40 mm round speaker offers reliable performance with a compact form factor.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eDiameter: 40 mm with a round frame\u003c\/li\u003e\n \u003cli\u003eRated power: 0.5 W\u003c\/li\u003e\n \u003cli\u003eImpedance: 8 Ω\u003c\/li\u003e\n \u003cli\u003eMagnet: Neodymium (Nd-Fe-B)\u003c\/li\u003e\n \u003cli\u003eCone material: PET\u003c\/li\u003e\n \u003cli\u003eDimensions: Ø40 x 4.9 mm\u003c\/li\u003e\n \u003cli\u003eWeight: 9.8 g\u003c\/li\u003e\n \u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\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\u003e\u003c\/td\u003e\n \u003ctd\u003e0.5\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 1.0 kHz, 1.0 V\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\u003eResonant frequency (Fo) at 1.0 V\u003c\/td\u003e\n \u003ctd\u003e464\u003c\/td\u003e\n \u003ctd\u003e580\u003c\/td\u003e\n \u003ctd\u003e696\u003c\/td\u003e\n \u003ctd\u003eHz\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSound pressure level at 1.0 W, 50 cm, avg.\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e93\u003c\/td\u003e\n \u003ctd\u003e99\u003c\/td\u003e\n \u003ctd\u003edB\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eBuzz, rattle, etc. must be normal at sine wave 2.0 V\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eOperating temperature: -25°C to 60°C\u003c\/li\u003e\n \u003cli\u003eHand soldering: maximum 3 seconds at 340-360°C\u003c\/li\u003e\n \u003cli\u003eResonant frequency (Fo): approximately 580 Hz\u003c\/li\u003e\n \u003cli\u003eFrequency response: up to 10,000 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMechanical Drawing \u0026amp; Response Curve\u003c\/h3\u003e\n\u003cp\u003eMechanical dimensions are specified as Ø40 x 4.9 mm with a tolerance of ±0.2 mm. The frequency response curve and other mechanical details are available in the datasheet.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/masterpdf\/gc0402ma.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/news\/press-releases\/cui-devices-has-a-new-name-say-hello-to-same-sky\" target=\"_blank\"\u003eLearn More\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/track?actionLabel=Datasheet-ClickThrough-ProductPage\u0026amp;label=GC0402MA.pdf\u0026amp;path=%2fproduct%2faudio%2fspeakers%2fminiature-(10-mm%7e40-mm)%2fgc0402ma\" target=\"_blank\"\u003eProduct Page\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/track?actionLabel=Datasheet-ClickThrough-3dmodel\u0026amp;label=GC0402MA.pdf\u0026amp;path=%2fproduct%2fresource%2f3dmodel%2fgc0402ma\" target=\"_blank\"\u003e3D Model\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Metadata\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: GC0402MA\u003c\/li\u003e\n \u003cli\u003eManufacturer: SAME SKY\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n \u003cli\u003eUOM: 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\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number GC0402MA for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-15T01:16:40+05:30","created_at":"2025-08-15T01:16:41+05:30","vendor":"Waldom Electonics","type":"Audio Devices","tags":["40 mm","9 mm","Audio","IMPORT_CSV","SAME","Speakers","Transducers","WLDM"],"price":47537,"price_min":47537,"price_max":47537,"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":50621284155709,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"GC0402MA","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"GC0402MA","public_title":null,"options":["Default Title"],"price":47537,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"GC0402MA","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/GC0402MA_52143348_00f272bb.jpg?v=1755200801"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/GC0402MA_52143348_00f272bb.jpg?v=1755200801","options":["Title"],"media":[{"alt":null,"id":45844024525117,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/GC0402MA_52143348_00f272bb.jpg?v=1755200801"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/GC0402MA_52143348_00f272bb.jpg?v=1755200801","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eSame Sky GC0402MA Speakers \u0026amp; Transducers\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGC0402MA\u003c\/strong\u003e is a high-quality miniature speaker designed for precise audio applications. Manufactured by \u003cstrong\u003eSAME SKY\u003c\/strong\u003e and originating from China (COO: CN), this 40 mm round speaker offers reliable performance with a compact form factor.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eDiameter: 40 mm with a round frame\u003c\/li\u003e\n \u003cli\u003eRated power: 0.5 W\u003c\/li\u003e\n \u003cli\u003eImpedance: 8 Ω\u003c\/li\u003e\n \u003cli\u003eMagnet: Neodymium (Nd-Fe-B)\u003c\/li\u003e\n \u003cli\u003eCone material: PET\u003c\/li\u003e\n \u003cli\u003eDimensions: Ø40 x 4.9 mm\u003c\/li\u003e\n \u003cli\u003eWeight: 9.8 g\u003c\/li\u003e\n \u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\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\u003e\u003c\/td\u003e\n \u003ctd\u003e0.5\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 1.0 kHz, 1.0 V\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\u003eResonant frequency (Fo) at 1.0 V\u003c\/td\u003e\n \u003ctd\u003e464\u003c\/td\u003e\n \u003ctd\u003e580\u003c\/td\u003e\n \u003ctd\u003e696\u003c\/td\u003e\n \u003ctd\u003eHz\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSound pressure level at 1.0 W, 50 cm, avg.\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e93\u003c\/td\u003e\n \u003ctd\u003e99\u003c\/td\u003e\n \u003ctd\u003edB\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eBuzz, rattle, etc. must be normal at sine wave 2.0 V\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eOperating temperature: -25°C to 60°C\u003c\/li\u003e\n \u003cli\u003eHand soldering: maximum 3 seconds at 340-360°C\u003c\/li\u003e\n \u003cli\u003eResonant frequency (Fo): approximately 580 Hz\u003c\/li\u003e\n \u003cli\u003eFrequency response: up to 10,000 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMechanical Drawing \u0026amp; Response Curve\u003c\/h3\u003e\n\u003cp\u003eMechanical dimensions are specified as Ø40 x 4.9 mm with a tolerance of ±0.2 mm. The frequency response curve and other mechanical details are available in the datasheet.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.cuidevices.com\/product\/resource\/masterpdf\/gc0402ma.pdf\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/news\/press-releases\/cui-devices-has-a-new-name-say-hello-to-same-sky\" target=\"_blank\"\u003eLearn More\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/track?actionLabel=Datasheet-ClickThrough-ProductPage\u0026amp;label=GC0402MA.pdf\u0026amp;path=%2fproduct%2faudio%2fspeakers%2fminiature-(10-mm%7e40-mm)%2fgc0402ma\" target=\"_blank\"\u003eProduct Page\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/www.sameskydevices.com\/track?actionLabel=Datasheet-ClickThrough-3dmodel\u0026amp;label=GC0402MA.pdf\u0026amp;path=%2fproduct%2fresource%2f3dmodel%2fgc0402ma\" target=\"_blank\"\u003e3D Model\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Metadata\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: GC0402MA\u003c\/li\u003e\n \u003cli\u003eManufacturer: SAME SKY\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n \u003cli\u003eUOM: 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\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number GC0402MA for more details.\u003c\/p\u003e\u003cbr\u003e"}
