We have multiple L'Acoustics SB28 Double 18" subs for sale. Can be powered with L'Acoustics LA8 or LA12x. Most of our boxes were purchased new in September 2014. We are a certified L'Acoustics dealer and they have been maintained by our expert staff. They have mostly been use locally on shows in Florida primarily as sidefill subs. Wheelboards included. We only have a couple covers so they will be included with first buyer.