Used, NOTWORKING, Mackie SA-1521 Amp Module. This amp module was pulled from old Mackie speaker. Unknown working condition; it is presumed NOT WORKING. This item would best be used for parts or repair and is being sold AS IS, no refund.$22 packing and shipping SHIPPING TERMS: PLEASE ALLOW 3-4 BUSINESS DAYS FOR THIS ITEM TO BE SHIPPED. I WORK FULL TIME AND DO THE VERY BEST I CAN TO SHIP ITEMS AS PROMPTLY AS POSSIBLE. ****BEST OFFER PURCHASES...PLEASE BE PREPARED TO MAKE PAYMENT WITHIN 24 HOURS. THANK YOU!