Hi,
I have 4 tv's connected through one feed (recently replaced the coax to ensure a good run) and then to an amplifier to all rooms in the house. Works well for me.
Cheers,
Cofnchtr.
Yamaha DSPAX757SE | Panasonic TH42PX70B plasma | B & W M1 all round,| REL Strata Subwoofer | SKY HD | PS3 |