The service will allow
users to hear music played at CD quality - including music channels and
select talk channels - at 48kps (the current free Sirius internet radio
service offers streaming audio at a mere 32kps), according to Orbitcast.
Existing subscribers can upgrade to SIR Plus for an additional $2.99
a month. No additional channels will be available through the service,
which is simply an upgrade in sound quality. When on Sirius catch the Original MTV crew on The Big 80's.