Redefining large scale retail sound with Void Acoustics

Nextopia is a next generation experiential destination located on Floors 5 and 5A of Siam Paragon, Bangkok, owned and operated by Siam Piwat Group. Designed to go beyond conventional retail, the space blends shopping, culture, live events, and immersive experiences across more than 22,000 square metres, with audio positioned as a defining feature of the visitor journey.

From the outset, Siam Piwat Group’s brief was ambitious: to create the best sound system ever experienced in a retail environment, not just in Thailand, but globally. The system needed to support everything from daily ambient sound to DJ performances, live events, and concert style activations, while maintaining consistency, clarity, and control across a complex, multi-level space.

A complex acoustic challenge

The primary challenge was delivering high quality, even sound coverage across multiple floors with varying ceiling heights and architectural layouts. Traditional retail audio solutions could not support Nextopia’s immersive, event driven vision. The system also required precise zoning, allowing individual loudspeakers to be adjusted by time and level, while remaining visually integrated and compliant with strict construction standards.

“We wanted more than just sound that can be heard. We wanted sound that is high quality and fundamentally different from conventional retail environments. When I walked through the space after the installation was completed, I was truly impressed.”

Ms. Chadatip Chutrakul, Group CEO of Siam Piwat

Void Acoustics at scale

Void Acoustics was specified following a previous installation at Raynue, Bangkok. The brand was chosen for its exceptional sonic performance, iconic design language, and flexibility in custom finishes.

The system was designed and integrated by Aura Visual System, Thailand’s exclusive Void Acoustics distributor. Working with Void’s technical team, Aura Visual System delivered a coherent, hall like listening experience across Floors 4, 5, and 5A, with precise delay alignment, tonal consistency, and controlled dispersion.

The system includes:

Floor 4:

  • 57 × Cirrus 6.1


Floor 5:

  • 15 × Cyclone 55
  • 2 × Cyclone 10
  • 5 × Venu 112 V2
  • 6 × Cirrus 6.1


Floor 5A:

  • 2 × Air Motion V2
  • 2 × Venu 218 V2
  • 11 × Cyclone 10
  • 8 × Venu 112 V2


확대:

  • 3 × Bias D1+
  • 11 × Bias Q1.5+
  • 1 × Bias Q2+
  • 1 × Bias Q3

Immersive results

The completed system delivers powerful, evenly distributed sound that transforms Nextopia into a destination closer to an entertainment venue than a traditional retail space. Its flexibility allows the atmosphere to shift seamlessly between subtle ambience and high energy activations. With its scale, flexibility, and immersive impact, Nextopia sets a new benchmark for large format retail sound design.

“이번 프로젝트는 우리가 지금까지 진행한 것 중 가장 큰 규모였습니다. 매우 힘든 작업이었지만, 동시에 정말 흥미진진했습니다. 우리는 가능한 한 가장 사실적이고 몰입감 넘치는 사운드 커버리지를 구현하기 위해 각 스피커를 하나하나 세심하게 튜닝하며 긴밀히 협력했습니다.”

Aura Visual System의 프로젝트 매니저 글레

Published: February 9, 2026
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