4 inch round motorcycle subwoofer 1.strong power,embedded amplifier 2.support usb/sd,mp3,use usb flash disk 3.1 year guarante

4 inch middle- length round motorcycle subwoofer

4” subwoofer for cars,truck and motors: 

Brand	weida	model no.
Usage	for car,motor and computer use	voltage(v)
Rated power(w)	30	impedance(ohm)
Speaker’s size(inch)	4	sensitivity(db)
Frequency response	60hz-9khz	distortion degree(db)

1 year guarantee

Subwoofers for cars’ detailed information:

1)4 inch speaker with a tweeter make music sounded perspectively

2)with trumpeter,support DVD,CD,Computer and other music player

3)support USB,SD and MP3 play, if u like,fm radio function also ok

4)beautiful and fashionable outcase design,can full your fashion needs

5)waterproof outcase design can provent your subwoofer from water & rain, prolong its life

Multifunctional

1.combine mp3 player with subwoofer.Easily play mp3 music by inserting usb or sd card.

2.Equipped with a 12v cigarette-plug power input.a good partner for car,motorcycle and electric motor car.bring more fun for your outdoor journey and activities,such as bbq,picnic.

3.Power-off memory available,continue your love songs after switch on

4.Water-proof pvc design,good for outdoor activities.

5.With colorful flashing led,makes you cool enough. 

4 inch middle- length round motorcycle subwoofer