XOX Arena is the concert hall inside The Arch Galeries (Hall B), a 35,935 sq ft event space at 428 Jalan Tun Razak, Kuala Lumpur. The official venue site lists concert seating up to 5,550 pax (thearchgaleries.com), making it one of KL's largest indoor live-music venues. Located beside Royal Selangor Golf Club in the city's 'New Golden Triangle', it is directly connected to TRX (Tun Razak Exchange) MRT station via a skywalk bridge. The hall features a state-of-the-art d&b audiotechnik sound system and has quickly become a destination for K-Pop fan meets, Mandopop concerts, and electronic music events since opening.