THIS IS FOR AN OPTIMUS STS 50 WOOFER (5 INCH) THAT IS IN EXCELLENT WORKING CONDITION.,  NUMBERS 12111 AND 8025 ARE ON BACK OF MAGNET. RATED 8 OHMS BUT MEASURES APX. 6.6 OHMS ON MULTIMETER. SPEAKER MEASURES APX. 5" SQUAREAND IS RATED AT APX. 50 WATTS. HAS A FABRIC SURROUND FOR LONG LIFE, THIS IS NOT A 5 1/4" SPEAKER.  ALL ITEMS ARE SOLD AS/IS, FOR PARTS, NO REFUND/NO EXCHANGE,  SHIPPING PRICE IS FOR LOWER 48 STATES ONLY. WILL ONLY BE SHIPPED TO CONFIRMED ADDRESS ON FILE ONLY, NO EXCEPTIONS. PAYMENT TO BE MADE WITHIN 2 DAYS AFTER AUCTION/B.I.N. & ITEM WILL BE SHIPPED WITHIN 2 DAYS NOT COUNTING WEEKEND & HOLIDAYS AFTER PAYMENT IS CONFIRMED. INSURANCE INCLUDED.