?AOSIBAO Hifi 4 Inch Subwoofer Speaker 4 Ohm 8 Ohm 40W Audio Woofer Loudspeaker 25 Core Upgrada ??

Hifi 4 Inch Subwoofer Speaker 4 Ohm 8 Ohm 40W Audio Woofer Loudspeaker 25 Core Upgradation Home Car Woofer Speakers
Product details:
Model: SW-404
Category: 4-inch subwoofer
Impedance: 4 ohms/8 ohms
Rated power: 40W
Resonant frequency: 68Hz
Frequency response range: 68Hz-2500Hz
Sensitivity: 86 ± 3dB
Voice coil: 25mm
Q value: 0.38
Equivalent volume: 5.6L
Special formula paper basin combines rigidity and softness
80 magnetic Y35 large magnetic steel with powerful power
25 core voice coil with higher magnetic circuit power
Large R edge overhang design with longer stroke
Adopting a special formula paper basin, with an 80 magnetic 25 core magnetic circuit design and a large R edge design, the long stroke performance is effortless.
According to our laboratory testing, there are no abnormalities or poor performance after inputting 40W power for 24 hours. We recommend that the actual power of the horn can be between 20-50W. It is best to have a rated power of over 50W. Suitable for both household cars, you can freely upgrade and enjoy explosive bass.
Imported elastic wave and silver plated terminal blocks are used. 25 core magnetic circuit design, long-term working power can reach 20-50W, basically reaching the level of a 10 inch horn.