FR 58 - 8 OHM FR 58 - 4 OHM FR 4X6 X - 4 OHM FR 16 WP CL - 100 V FR 16 WP - 4 OHM (WHITE) FR 16 WP - 4 OHM (BLACK) FR 13 WP - 4 OHM (WHITE) FR 13 WP - 4 OHM (BLACK) FR 13 - 4 OHM FR 12 - 8 OHM