How to assemble a 15 inch sub speaker

How to assemble a 15 inch sub speaker
Assembling a 15 inch Subwoofer showman that friends wonder why Thai assembly work has different prices After watching this clip, many of you will be able to decide before buying speakers. This is the final video. and this clip is How to assemble car speakers
all that from someone who has never assembled a speaker can be assembled Some angles have a little technique. for further study Slowly watching the clip Don't skip steps only pretend