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Specification
AgeRangeDescription : Adult
AudioDriverType : dynamic_driver
Brand : ELFINEAR
BulletPoint1 : 300 ohm Impedance New Design 40MM Driver Units by ELFINEAR for audiophile
BulletPoint2 : New graphene materials diaphram delivers vivid sound quality
BulletPoint3 : Non-Mass Production Item.Carefully made by skilled engineers
BulletPoint4 : Compatible for most of headphone housing with 40mm diameter
BulletPoint5 : All ELFINEAR Driver units have rve distortionphase he DB value oice frequency sweep pairing tested and confirmed before shipping.
Color : Black
ConnectivityTechnology : Wired
ExternallyAssignedProductIdentifier1 : 630282620872
ExternallyAssignedProductIdentifier2 : 0630282620872
Hazmat1 : MANUAL GROUNDING
Hazmat10 : EG_NoAir
Hazmat11 : ES_NoAir
Hazmat12 : FR_NoAir
Hazmat13 : GB_NoAir
Hazmat14 : IN_NoAir
Hazmat15 : IT_NoAir
Hazmat16 : JP_NoAir
Hazmat17 : MX_NoAir
Hazmat18 : NL_NoAir
Hazmat19 : PL_NoAir
Hazmat2 : UN9999
Hazmat20 : SA_NoAir
Hazmat21 : SE_NoAir
Hazmat22 : SG_NoAir
Hazmat23 : TR_NoAir
Hazmat24 : US_NoAir
Hazmat25 : ZA_NoAir
Hazmat26 : 3
Hazmat3 : AE_NoAir
Hazmat4 : AU_NoAir
Hazmat5 : BE_NoAir
Hazmat6 : BR_NoAir
Hazmat7 : CA_NoAir
Hazmat8 : CN_NoAir
Hazmat9 : DE_NoAir
ItemName : ELFINEAR 300ohm 40MM Graphene Diaphragm Speaker Driver Replacement - 1Pair (2Pcs) for Headphones Headsets - High-Fiedality Sound Upgrade
ItemPackageDimensions_Height : 11.0998 centimeters
ItemPackageDimensions_Length : 1.905 centimeters
ItemPackageDimensions_Width : 7.0104 centimeters
ItemTypeKeyword : over-the-ear-headphones
Manufacturer : ELFINEAR
NumberOfItems : 2
PartNumber : D11
ProductDescription : Features
New graphene materials diaphram delivers vivid sound quality
300 ohm Impedance New Design 40MM Driver Units by ELFINEAR for audiophile
Non-Mass Production Item.Carefully made by skilled engineers
ELFINEAR New Proudly lunched items.
Parameters:
Mode: ED11
Type: Dynamic
Use: HiFi
Construction:Graphene
Magnetic circuit form: Internal magnetic formula
Frequency: full range
Rated power: 20mW
Impedance: 300ohm
Frequency: 20-20KHZ
Directivity: the marked color point is the unit positive pole
Sensitivity: dB/W
SNR: dB
Distortion: 1 TMD%
Packaging:
2* Headphone Speaker unit
Instructions:
Please test the speakers with a multimeter before soldering.
The colored spot is for positive pole +, the other side is for negative -.
Soldering with less than 3 seconds. Otherwise, the voice coil or circuit board can be burned out easily.

ProductSiteLaunchDate : 2021-06-28T07:44:21.821Z
Size : 40MM
SupplierDeclaredDgHzRegulation : not_applicable