3 Inch Subwoofer Speaker 4 8 Ohm 25W HIFI Round Square Bass Speaker Black Diamond Alumina Ceramic Cap Bass Big Magnet Steel DIY Loudspeaker

Specification

Rated Power: 25W
Rated Impedance:4Ω and 8Ω
Frequency response range: 80Hz-5KHz
Resonant frequency: 80Hz
Sensitivity: 87+-3DB
Voice coil diameter: 20.4mm
Net Weight:535g/pcs

Square Type:
Outside diameter: 78mm
Diagonal screw hole: 93mm
Open hole:90mm
Magnet diameter:67mm

Circular Type:
Outside diameter: 90mm
Diagonal screw hole: 82mm
Open hole:90mm
Magnet diameter:67mm

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Note:
Please allow2-5mm error due to manual measurement and make sure you do not mind before ordering.
The color of the actual items may slightly vary from the above images due to different computer screen, thanks for your understanding