FRS 10 WP - 8 Ohm (white) FRS 10 WP 4 OHM (BLACK) FRS 10 WP 4 OHM (WHITE) FRS 10 WP 8 OHM (BLACK) FRS 10 WP 8 OHM (WHITE) FRS 5 - 8 ohm FRS 5 8 OHM FRS 5 X - 8 ohm FRS 5 X 8 OHM FRS 5 XTS - 8 ohm