Models View all RCF Case Assembly Speaker : KIT 500N 1 8 0 RCF Case Assembly Speaker : KIT 250SM 1 8 0 RCF Case Assembly Speaker : KIT 1300N UPGRADE 2 8 0 RCF Case Assembly Speaker : KIT 1000N 1 9 0 RCF Case Assembly Speaker : KIT 3500 1 6 0 RCF Case Assembly Speaker : KIT 3400 1 4 0