FR 10 HM - 8 ohm FR 10 HM 4 OHM FR 10 HM 8 OHM FR 10 HMP - 4 Ohm FR 10 HMP, 4 OHM FR 10 WP BLACK 4 OHM FR 10 WP WHITE 4 OHM FR 10 WP - 4 Ohm (black) FR 10 WP - 4 Ohm (white) FR 1038