BOXING fan were furious after seeing the buildup to Tyson Fury against Deontay Wilder without sound.
The event was aired by BT Sport Box Office, but many people who were affected were able to access the show via Virgin Media.
Due to the lack of sound, viewers missed much of the prefight drama.
They were left without any commentary or a taste of the T-Mobile Arena.
BT Sport aired interviews with Tommy Fury, Lennox Lewis and several other fights prior to the main event.
Fury's sparring partner Jared Anderson won a second round victory over Vladimir Tereshkin, before Robert Helenius stopped Adam Kownacki at the sixth round in another heavyweight match.
Twitter was used by angry fans to vent their frustration at the technical problems.
One fan wrote: "Absolutely joke paying 24.95 fight and no sound?" This needs to be resolved.
Free Bets: Get more than PS2,000 in NEW CUSTOMER DEALSAnother comment: "Paid for PPV hours ago, still no sound. I followed all the online help guides, but still nothing! I am beyond mad! "Help is needed!"
Another said, "Really, two hours and 40 minutes into this PPV still no sound. This is a joke absolute shambles by BT Sport Box Office."
Fans will also have missed Fury's arrival in the arena just two hours prior to his fight.
Before he sent his last message to his fans, the Gypsy King was seen looking relaxed with wife Paris.
