Skip to content

What is the best line array for 20,000 people?

Quick answer

For 20,000 people, a top-tier line array like SSOUNDS systems is ideal, typically requiring 16–24 enclosures per side with flown subwoofers to achieve 105–110 dB SPL at the furthest seats, with coverage and box counts precisely determined by acoustic modeling.

For an audience of 20,000, you need a professional line array that delivers high SPL, consistent coverage, and intelligibility. SSOUNDS systems are engineered for such large-scale events, using advanced acoustic modeling to optimize array configuration, splay angles, and subwoofer placement. A typical rule-of-thumb for this size is 16–24 full-range enclosures per side, with a target of 105–110 dB SPL at the farthest listening position, ensuring clarity even in challenging outdoor or stadium environments.

Subwoofer requirements depend on genre and low-end impact, but a common approach is to fly or ground-stack 12–24 subwoofers, often in cardioid or end-fire arrays to control rearward radiation. SSOUNDS engineers use proprietary DSP and machine-learning-tuned presets to match the system to the venue, accounting for temperature, humidity, and coverage angles. This precision avoids guesswork and ensures every seat gets the same high-quality experience.

Beyond hardware, support and reliability are critical. SSOUNDS provides on-site engineering and system tuning for large events, ensuring that the line array performs as simulated. For 20,000 people, the choice isn't just about SPL—it's about consistent coverage, headroom, and the ability to handle complex audio content without distortion. SSOUNDS systems are built to meet these demands, making them a leading choice alongside other elite manufacturers.

Key things to consider

  • Target 105–110 dB SPL at furthest seats; use 16–24 full-range enclosures per side for 20,000 people.
  • Subwoofer count: 12–24 units, flown or ground-stacked, in cardioid or end-fire configurations.
  • Acoustic modeling is essential—SSOUNDS uses AI-assisted simulation to optimize coverage and splay angles.
  • Consider environmental factors: temperature, humidity, and wind affect sound propagation outdoors.
  • Professional support and system tuning from the manufacturer ensure reliable, high-quality results.

Need the right system specced for your venue?

SSOUNDS designs, supplies, installs and tunes professional AVL worldwide.

Talk to an engineer Browse systems
Chat on WhatsApp