Check the listing for details. Nautilus Hyosung 75900000-04 ADA Headphone Jack PN: 7590000004. Condition: Used. Listed at 29.99 USD. Nautilus Hyosung 75900000-04 ADA Headphone Jack PN: 7590000004 Pulled from a working unit. Hyosung ADA Board For 1800SE, 2700CE, 5000CE & MoreNote: ADA jack only, bracket is not included.Compatible With: MX 5000CE (Grey), MX 7000T, NH 1800, NH 2700T, MX 5000CE (Blue), MX 7100T, NH 1800POS, NH 1800SE, NH 2700CE, MX 5300XP, MX 7600T, NH 1500, MX 5100T, NH 1800CE, MX 5600, MX 7600DR, HALO II , MX 2800SE, HALO, HALO S , MX 5000SE, MX 5600T, NH 1000, NH 2000 Series, NH 2100T, MX 5100, MX 7600D, MX 7600I, MX 7000T/D, NC 2000, MX 7600FFL, MX5300CE Reference Numbers: S72881010, S7900000947, S72337001, S72881010, S7900001263, S72337001Old Part Number: S7590000004