SAMSUNG OEM AH81-04177J AH8104177J A/S TX CARD SWA-400 New OEM Original Part Samsung OEM Wireless TX Card for SWA-4000 Amplifier. Supports: HTTWZ415T, HTTZ512T, HTTZ515T, HTWZ410T, HTX70T, SWA4000 Supports: HTBD1250, HTBD3252, HTTWZ312T, HTTWZ412T,HTZ510T TX CARD ONLY