Yamaha S4115h Passive PA Speaker Coffin Case and offers a lifetime of

and offers a lifetime of serviceability

does have a push/pull knob

This Powered PA speaker is fully functional and in very good cosmetic condition

it should not affect your tone

but with enough vibration to still cut through in today's ensemble playing

Yamaha S4115h Passive PA Speaker Coffin Case and offers a lifetime ofA Yamaha S4115h Passive PA Speaker in Good condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing every angle of every piece of gear so you know exactly what you are getting. We always picture any and all accessories too. What you see is what you will get so please check out the pictures! Everything we sell has been tested and is fully functional unless otherwise noted. We have a 5 star rating from 1000+ happy