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Category 304 within Uncategorised.
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Check the fit before you buy.
Best assessed as category 304 for the customer's actual room, source and budget.
Works well with
- Amplifiers or receivers matched to the speaker load and room size.
- Suitable speaker cable, wall brackets or stands where required.
- Speakers with a suitable impedance and sensitivity match.
- Streaming sources, TV audio, turntable or network player depending on inputs.
Check first
- Confirm amplifier power, impedance and the listening distance.
- Check placement, mounting and cable route before ordering.
- Confirm speaker count, room size and source requirements.
- Check HDMI, phono, subwoofer and multi-room needs before purchase.
Specialist-confirmed product: pricing and fit should be checked before ordering.
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Optimal Audio CUBOID 3 - Two-way Full Range Passive 3 Inch Loudspeaker Discover immersive, detailed sound with the Optimal Audio CUBOID 3, a compact two-way full range passive 3 inch loudspeaker designed to elevate your home audio experience. Its sleek design fits effortlessly into any room, delivering powerful, distortion-free audio without requiring an external power source. Key Features Two-way full range design for multi-directional sound projection Compact 3 inch size ideal for any room or audio setup Passive loudspeaker requiring no external power source Environmentally friendly and energy-efficient High-quality sound with minimal distortion Trusted brand: Optimal Audio, known for premium audio equipment Specifications Driver size: 3 inch Type: Two-way full range passive loudspeaker
Product details
- Name
- Optimal Audio CUBOID 3 - Two-way Full Range Passive 3 inch Loudspeaker
- Brand
- Optimal Audio
- Model
- CUBOID-3
- SKU
- Not supplied
- MPN
- Not supplied
- Commerce action
- enquiry-only

Product images
Product details
- Name
- Optimal Audio CUBOID 3 - Two-way Full Range Passive 3 inch Loudspeaker
- Brand
- Optimal Audio
- SKU / MPN
- — / —
- Breadcrumb world
- Uncategorised
Technical specifications
Specifications
| Impedance | 8Ω |
|---|---|
| Frequency Response | 60Hz - 20kHz |
| Nominal Impedance | 8 Ohms |
| AC Frequency | 50-60Hz |
| Bass Reflex Port | Front |
| Bi-amplified | No |
| Box Dimensions | 275mm x 180mm x 240mm |
| Brand | Optimal Audio |
| Built-in Amplifier | No |
| Cabinet Construction | Sealed |
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