Spectrum Lounge & Bar Immerse in the spectacular view of Bangkok skyline at the rooftop bar. On Level 29, Spectrum Lounge functions as a residential-style event venue during the day for interactive meetings, product launches, engagement ceremonies or private receptions for up to 50 people. In the evening, the lounge transforms into a live music bar with dinner setting serving a selection of premium Western dishes. A vibrant rooftop bar on Level 30 serves classic and creative cocktails, together with bar snacks and high-energy music.