4" Inch Round 25W HIFI Full Range Audio Speaker Vocal Stereo Woofer Loudspeaker

Parameters
Model: AS-40QY01
Caliber: 4"Inch Round 
Power: 25W
Impedance: 4Ω/8Ω
Frequency response: 84Hz-18.9KHz
Sensitivity: 88dB+-/3dB
Voice coil diameter: 25mm
Qts: 0.77
Fo: 85Hz
Recommended volume: 5.6L
Sound basin material: Cotton Paper + Linen
Magnet material: High-grade Ferrite
Speaker height: 65mm
Speaker through hole: 93mm
Speaker counterbore: 116mm
Speaker sinking position: 3.5mm
Diagonal screws: 108mm

Package
1pcs 4" Inch Round 25W HIFI Full Range Audio Speaker Vocal Stereo Woofer Loudspeake