Yes, need to connect to Home Theater or use the Sonic Voom headphone to Speakers...Is the rest of the channels AC3?
http://cgi.ebay.com/Sonic-Voom-6-Sp...3286.c0.m14&_trkparms=66:2|65:1|39:1|240:1318
It's not a change from SD to HD, it's Analog to Digital.Also after the February cut off what will be left in SD? Montana PBS or ????
And it is only for OTA Antenna, not Satellite.