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1.
a subwoofer consisting of one or more drivers enclosed in a horn cabinet. typically designed to provide very high efficiency, and hence sound pressure levels, for large-scale venues.
Cerwin-Vega Earthquake and Afterburner series subwoofers are examples of folded-horn bass bins.
by Fromagerie August 23, 2008
 
2.
a massive subwoofer which makes so much vibration window smash and walls fall down
Check out my f**king sweet bass bin
 
3.
speakers in a car. often very loud, with emphasis on the bassline.
Mash up ya bassbins.
Mate, check out my new bassbins, I've just got them fitted
by tech-head November 27, 2005