TPA Korf 218 dual 18” horn loaded subwoofer br br TPA, since 1997, keeps growing and progressing constantly for over 22 years in China. Welcome friends to come & listen at our factory, or Welcome to issue a small demo order and enjoy the quality we deliver. Welcome to join TPA family. br br WhatsApp: +86 15918768456 br Email: sales@tpa-pro.com br Website: www.tpa-pro.