XM Sound System User Manual page 6

If your radio is a Pioneer inno"" or a Sam sung Helix"", you will also need the XM2go Boombox
Adapter XMPA 1 (sold separately). After installing the dock adapter, plug the special XM2go
Boombox Adapter into place.
Adapter for the
inno
and Helix
in no / Helix
XM2go Boom box Adapter
XMPAl
*Sold separately
Included inno/Helix
Dock Adapter