Make your president look good by cross-illuminating her with a pair of spotlights covered with soft pink gels. Unless your goup is very small, you will need to amplify the speaker's voice and any prerecorded audio material. Instead, hire an av company to install and operate a self-standing sound system. Ask what else is scheduled in the hotel that might compete with your audio. That's life in the meeting biz.
Hotels try to maximize the number of meetings that can be held simultaneously.
Do do a sitecheck. Personally check out the rooms available. Determine the footage. Ask for a room layout. Or count ceiling tiles or march out the room to arrive at the rough footage.