FR 8 FR 8 - 4 Ohm FR 8 - 8 ohm FR 8 JS 8 OHM FR 8 JS - 8 Ohm FR 8 TA - 4 OHM FR 8 WP BLACK 4 OHM FR 8 WP BLACK 8 OHM FR 8 WP - 4 Ohm (black) FR 8 WP - 4 Ohm (white)