The Optimal Audio Cuboid 3 is a compact two-way passive loudspeaker designed for small-to-medium commercial installations. With a 3.5-inch low-frequency driver and 0.5-inch PEI dome tweeter delivering 30W programme power, it suits background music and speech reinforcement in retail, hospitality, and corporate environments. Also available in black.
Power Handling
30W
Programme
LF Driver
3.5″
Low Frequency
HF Driver
0.5″
PEI Dome
Ingress Protection
IP54
With optional cover
Features
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3.5″ LF driver with 0.5″ PEI dome HF for clear two-way reproduction
3.5″ LF driver with 0.5″ PEI dome HF for clear two-way reproduction
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Portrait or landscape mounting orientation
Portrait or landscape mounting orientation
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Mounting hardware included in the box
Mounting hardware included in the box
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IP54-rated with optional outdoor connector cover (CIPKIT)
IP54-rated with optional outdoor connector cover (CIPKIT)
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Compact enclosure suits discreet installation
Compact enclosure suits discreet installation
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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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White finish blends with light interiors and ceilings
White finish blends with light interiors and ceilings
Note
This is the low-impedance passive version. For 70V/100V distributed audio systems, see the Cuboid 3TX variant. The optional CIPKIT connector cover is required to achieve the full IP54 rating for outdoor or exposed installations.
Specifications
| Model | Cuboid 3 White |
| SKU | CUBOID3-W |
| Speaker Type | Two-Way Passive |
| LF Driver | 3.5″ |
| HF Driver | 0.5″ PEI Dome |
| Power Handling | 30W |
| Ingress Protection | IP54 (with optional connector cover) |
| Mounting | Portrait / Landscape |
| Colour | White |
| Mounting Hardware | Included |











