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Outline STADIA 28 Constant Curvature Array Enclosure
The Outline STADIA 28 brings acclaimed STADIA series performance to smaller outdoor venues, theme parks and public spaces. This compact constant-curvature array weighs 21 kg yet delivers 139 dB peak SPL with exceptional speech intelligibility and musical impact. Two 8″ neodymium mid-woofers pair with a 3″ compression driver on a proprietary waveguide for precise 90° × 22.5° dispersion. Combine up to six cabinets for seamless 135° coverage. IP55-rated OutSIDE coating protects the Baltic birch enclosure against water, UV and temperature extremes. Bi-amped design with 500 W mid and 120 W HF AES continuous power. Vertical or horizontal rigging via 10 corrosion-resistant M10 points.
The Outline STADIA 28 is a compact constant-curvature line array module built specifically for smaller outdoor venues, theme parks, public installations and architectural sound projects where clarity and reliability cannot be compromised.
At only 21.5 kg it punches well above its weight, delivering up to 139 dB peak SPL with the musicality and speech intelligibility demanded by stadium-grade systems. Two 8″ neodymium mid-woofers and a 3″ neodymium compression driver on a custom waveguide produce a tightly controlled 90° horizontal by 22.5° vertical pattern that arrays seamlessly.
Up to six STADIA 28 modules can be flown vertically or horizontally to create a continuous 135° arc of high-definition audio, ensuring even coverage across seating bowls, concourses and open gathering spaces. The bi-amped design with 500 W AES midrange and 120 W AES HF power handling gives system designers maximum headroom and simplifies amplifier channel counts.
Designed for permanent outdoor exposure, the Baltic birch cabinet is protected by Outline’s unique IP55-rated OutSIDE elastoplastic coating that chemically bonds to the wood, guarding against water, UV radiation and extreme temperatures for years. A powder-coated steel grille and corrosion-resistant M10 hardware complete the weatherproof package, while ten M10 rigging points and a discreet suspension system allow fast, flexible deployment in either orientation.
Barrier-strip connectors provide secure, weather-sealed wiring that professional installers trust in exposed locations. Whether you are specifying sound for a boutique sports ground, heritage-listed amphitheatre or modern theme park, the STADIA 28 delivers powerful, predictable coverage with the long-term durability Australian outdoor environments demand.
- Medium-throw constant-curvature array delivering stadium-level clarity
- 139 dB peak SPL from a 21 kg enclosure
- 90° x 22.5° dispersion; 135° coverage with six cabinets
- Bi-amped design with 500 W mid & 120 W HF AES continuous power
- IP55 ‘OutSIDE’ coating ensures long-term weather resistance
- Vertical or horizontal rigging via 10 x M10 corrosion-resistant points
| Additional Information | Frequency Response (-10 dB): 65 Hz – 20 kHz Horizontal Dispersion: 90° Vertical Dispersion: 22.5° Maximum Peak SPL: 139 dB Operating Configuration: Bi-amplified Power Handling Midrange (AES): 500 W continuous / 2000 W peak Power Handling High (AES): 120 W continuous / 480 W peak Impedance Midrange: 8 Ω Impedance High: 8 Ω Components: 2 x 8″ NdFeB mid-woofers, 1 x 3″ NdFeB compression driver Connectors: 4-pole barrier strip Cabinet Material: Baltic birch plywood with ‘OutSIDE’ coating Rigging Points: 10 x M10 Dimensions (H x W x D): 309 x 700 x 500 mm Weight: 21.5 kg |
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| Main Sub Category | Audio |
Sales FAQ - Frequently Asked Questions
Here you'll find answers to our most asked questions about our sales products. Still can't find quite what you're looking for, or have something we should know? Send us an email, we're happy to help!
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Q1: Do you ship to my country?
A1: Most likely, you can see what countries we ship to in the drop-down at the checkout.
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Q2: Can i get a demo of the equipment?
A2: While we do do sales, we are predominantly a hire company so we do have some stock on hand but we dont have a storefront. If you'd like to get a demo on some equipment please call and we'll arrange an appointment to see the equipment if we have it available.
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Q3: What are the accepted payment methods?
A3: We accept online card payment with MasterCard, VISA or direct deposit.
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Q4: Does the price include GST?
A4: Our online prices displayed all include GST and are shown in AUD currency.
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Q5: When do I receive my order?
A5: Most orders are dispatched from Melbourne but some orders are dispatched from warehouses located in different states of Australia, sometimes items are sourced directly from suppliers. Delivery time will depend on the shipping country and address.
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Q6: Do I have to pay international taxes and duties?
A6: Your order may be subject to import duties and taxes, which are levied once a shipment reaches your country. We cannot control and is not responsible for any duties/taxes applied to your package upon delivery. You will be responsible for paying additional charges for customs clearance. Customs policies vary widely from country to country; please contact your local customs office for further information.




