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MGM Grand Ballroom Prefunction at MGM National Harbor

Published dimensions

MGM Grand Ballroom Prefunction is 9 x 63.6 m (30 x 209 ft), 572 m² (6,161 sq ft), with a 7.4 m (24 ft) ceiling.

Plan view

LED wall that fits

Under a 7.4 m ceiling with 1.5 m trim and 0.3 m clearance you get 11 rows of 500 mm tile flown. Along the 63.6 m wall a Absen PL2.5 Plus V2 wall runs 101 x 11 (20200 x 2200 px, 8,666 kg, 177.8 kW).

Panel	Pitch	Wall (cols x rows)	Size	Resolution	Weight	Power (max)
Absen KLCOB 0.78	0.78 mm	84 x 16 = 1344	50.4 x 5.4 m	64512 x 6912	6,048 kg / 13,333 lb	118.9 kW, 572 A @ 208 V
Absen PL2.5 Plus V2	2.5 mm	101 x 11 = 1111	50.5 x 5.5 m	20200 x 2200	8,666 kg / 19,105 lb	177.8 kW, 855 A @ 208 V
Absen PL3.9 Plus V2	3.9 mm	101 x 11 = 1111	50.5 x 5.5 m	12928 x 1408	8,666 kg / 19,105 lb	155.5 kW, 748 A @ 208 V

Wall sizing assumes 1.5 m trim to the bottom edge, 0.3 m clearance under the ceiling, and a wall no wider than 80% of the longest wall. Weight and power are tile totals from the panel spec sheet; add processing, rigging, and cable.

Seating estimate

After a 12 x 7 m stage, MGM Grand Ballroom Prefunction holds about 1,085 theater seats, 443 banquet seats at rounds of 10, or 305 classroom seats. Back row in theater is roughly 56.6 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at MGM National Harbor

The THEATER50.1 x 50.1 m (164 x 164 ft) · 3.1 m ceiling
MGM Grand Ballroom30.2 x 49.7 m (99 x 163 ft) · 7.4 m ceiling
Bellagio Ballrom + Pre-Function29.9 x 29.9 m (98 x 98 ft) · 3.1 m ceiling
MGM Grand Ballroom Prefunction A28.3 x 28.3 m (93 x 93 ft) · 3.1 m ceiling
MGM Grand Ballroom Prefunction B/C28.3 x 28.3 m (93 x 93 ft) · 3.1 m ceiling
MGM Grand Ballroom, Salon A30.2 x 22.3 m (99 x 73 ft) · 7.4 m ceiling
MGM Grand Ballroom, Salons B & C30.2 x 22.3 m (99 x 73 ft) · 7.4 m ceiling
MGM Grand Ballroom Terrace23.6 x 23.6 m (77 x 77 ft) · 3.1 m ceiling
Center Prefunction22.5 x 22.5 m (74 x 74 ft) · 3.1 m ceiling
Bellagio Ballroom Prefunction22.3 x 22.3 m (73 x 73 ft) · 3.1 m ceiling
Bellagio Ballroom25.6 x 15.5 m (84 x 51 ft) · 6 m ceiling
MGM Grand Ballroom, Salon B14.9 x 22.3 m (49 x 73 ft) · 7.4 m ceiling

Published dimensions (source), fetched 2026-09-05. All rooms at MGM National Harbor · Venues in National Harbor