If you use a decent ACTIVE 2-way splitter, then 50'+ is possible.
I have used this one with a 35' and a 50' HDMI cable without issue...
http://www.monoprice.com/Product?c_id=101&cp_id=10113&cs_id=1011307&p_id=7618&seq=1&format=2
No passive junk - get something good.
I have used this one with a 35' and a 50' HDMI cable without issue...
http://www.monoprice.com/Product?c_id=101&cp_id=10113&cs_id=1011307&p_id=7618&seq=1&format=2
No passive junk - get something good.