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Optimal Audio Cuboid 15 - 15" Two-Way Passive Loudspeaker 500W (Black)

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Original price £888.00 (inc. VAT) - Original price £888.00 (inc. VAT)
Original price
£888.00 (inc. VAT)
£888.00 (inc. VAT) - £888.00 (inc. VAT)
Current price £888.00 (inc. VAT)
SKU OPACUBOID15B
DETAILS

Discreet and powerful, the 500Wrms Cuboid 15 offers exceptional sound and is ideal for both commercial and residential use

The Cuboid series from Optimal Audio boasts a versatile series of full-range, two-way passive loudspeakers engineered to deliver rich, detailed sound with remarkable precision, all while maintaining a cost-competitive price point.

Available in sizes ranging from 3" to 15", these sleek enclosures are designed for short to medium throw distances, making them ideal for a variety of applications. Whether you're outfitting a small venue, conference room, or performance space, Cuboid speakers provide professional-grade sound reproduction with punch and clarity.

Crafted for both style and functionality, Cuboid speakers feature flexible mounting hardware for easy installation, ensuring a clean and seamless setup. Each speaker is meticulously engineered to deliver impressive bass and mid-range response, while maintaining exceptional vocal clarity and projection in the high frequencies.

The Cuboid lineup offers options to suit different preferences and needs. Models such as Cuboid 3, 5, and 6 boast ABS plastic cabinets and painted aluminum grilles, while Cuboid 8, 10, 12, and 15 feature robust wooden cabinets with steel grilles. Additionally, the latter models feature user-rotatable horns, allowing for consistent coverage in both horizontal and vertical planes.

For those seeking enhanced bass performance, Cuboid speakers can be paired with the Sub Series, while integration with SmartAmp or Zone amplifiers provides optimal sound settings and built-in limiters to protect drivers during high-volume use.

Streamlined system setup and user control are made easy with Zone and WebApp compatibility, further augmented by the convenience of ZonePad wall controllers.

With Cuboid, achieving exceptional sound quality and seamless control has never been simpler. Elevate your audio experience with Cuboid loudspeakers—a perfect balance of performance, versatility, and affordability.

 

Optimal Audio Cuboid 15 Key Features

  • Portrait or landscape mounting options

  • Rotatable high-frequency horn

  • 58Hz – 18kHz frequency response ±3dB

  • Maximum SPL 126dB (continuous), 132dB (peak)

  • 80° horizontal x 50°  vertical coverage

SPECS & DOWNLOADS

Optimal Audio Cuboid 15 Specifications

  • Type: Two-way, full-range, passive 15” loudspeaker  
  • Frequency Response (with preset) : 58Hz – 18kHz ± 3dB, -10dB @ 40Hz
  • Drivers: 
      - LF: 15” (380mm), ferrite motor system
      - HF:  1” (25mm) exit/1.75” (44mm) voice coil, polymide dome compression driver 
  • Rated Power: 500W (AES) 2000W (Peak)
  • Nominal Impedance: 8Ω  
  • Sensitivity (1W/1m): 99dB  
  • Maximum SPL: 126dB (cont), 132dB (peak) 
  • Crossover: 2.3kHz passive
  • Dispersion (-6dB):  80˚ H x 50˚ V (user-rotatable) 
  • Enclosure: Trapezoid wooden cabinet  
  • Finish: Black textured paint 
  • Protective Grille: Black perforated steel with scrim cloth backing  
  • Connectors: 2x NL4 type  
  • Pin Connections (Input): 1+/1-
  • Fittings: 19 x M8, inset bolts 
  • Dimensions:  (W) 426.5mm x (H) 691.5mm x (D) 416mm / (W) 16.79” x (H) 27.22” x (D) 16.38”
  • Weight:  28kg (61.73lbs)


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