The Optimal Audio Cuboid 15 is the flagship of the Cuboid range, a high-power two-way passive loudspeaker featuring a 15-inch LF driver and 1-inch exit HF compression driver with 500W programme power. Built for large venues, performance spaces, and permanent installations where maximum output and low-frequency extension are required, it delivers the headroom and projection needed for demanding live sound and AV applications.
Power Handling
500W
Programme
LF Driver
15″
Low Frequency
HF Driver
1″ Exit
Compression Driver
HF Horn
Rotatable
Portrait / Landscape
Features
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15″ LF driver with 1″ exit HF compression driver for maximum output
15″ LF driver with 1″ exit HF compression driver for maximum output
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500W programme power handling — flagship of the Cuboid range
500W programme power handling — flagship of the Cuboid range
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Rotatable HF horn maintains correct dispersion in portrait or landscape
Rotatable HF horn maintains correct dispersion in portrait or landscape
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Steel grille for robust protection in demanding environments
Steel grille for robust protection in demanding environments
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Extended low-frequency response from the largest driver in the range
Extended low-frequency response from the largest driver in the range
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Compatible with Optimal Audio SmartAmp DSP-optimised amplification
Compatible with Optimal Audio SmartAmp DSP-optimised amplification
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Works with Zone controllers, ZonePad wall panels, and WebApp
Works with Zone controllers, ZonePad wall panels, and WebApp
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Suited to large venues, performance spaces, and permanent installations
Suited to large venues, performance spaces, and permanent installations
Specifications
| Model | Cuboid 15 Black |
| SKU | CUBOID15-B |
| Speaker Type | Two-Way Passive |
| LF Driver | 15″ |
| HF Driver | 1″ Exit Compression Driver |
| Power Handling | 500W |
| HF Horn | Rotatable |
| Grille | Steel |
| Colour | Black |
