DROK 25W 3 Inch Round Shape 8 Ohm Woofer Speaker Stereo Loudspeaker Computer Compact Speakers, DIY Home Car Audio HiFi Speakers Bass 90Hz-5KHz;

Parameters:
Speaker Outer Diameter: 89mm
Color: black    
Impedance: 8Ω
Sensitivity: 87dB
Rated Power: 25W
Shape: round
Diagonal Pitch: 83mm  
Speaker Height: 55mm
Magnet Diameter: 65mm
Hole Diameter: 71mm
Equivalent Volume: 2.2L  
Effective Frequency Range: 90Hz-5KHz

Package Includes:
1 X 8Ω Woofer Speaker (Round)