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These Opus One® Platinum series speakers are designed for the discerning hi-fi and home theatre listener. The titanium dome tweeter, coupled with the woven carbon fibre woofer exhibit extended bass response and punchy, crisp midrange. The large vented magnet, oversized voicecoil and rubber rolled surround enable a very high power handling capability. A custom designed crossover, constructed from world class, premium components provides excellent sonic performance and clarity. Sound performance may be tailored using the built in bass and treble control switches ie. to suit the acoustics of the room or listeners preference. These are located behind the front grille and are accessed without removing the speaker from the ceiling. Features an attractive aluminium grille and the Opus One® standard ‘fliplock’
mounting system. Sold in pairs.

Backbox for rectangular series (sold in pairs): Available as an add on, these backboxes seal the rear of the speaker, preventing ingress of dust & vermin. Plus they limit the amount of sound spill into adjacent rooms. Screw fixes directly to the rear of the speakers. Note: suitable for Opus One® models C 0866 / C 0868 only. Not suitable for other brands.

Information & Downloads


  • Impedance: 8Ω
  • Rated power: 60W RMS
  • Max power: 100W
  • SPL 1W @ 1m: 90dB
  • Freq response: 50Hz - 20kHz
  • Weight: 1.9kg
  • Mounting hole (mm): 275W x 188H
  • Dimensions (mm): 307W x 220H x 85D
  • With backbox (mm): 307W x 220H x 100D
    • *Specifications are subject to change without notice.

Warranty & Returns


We offer 12 months warranty on this product from its date of purchase. This is available from Altronics stores, online purchases or Altronics resellers. In accordance with our full warranty terms we will repair, replace or refund if goods you have purchased from us are defective.


Not withstanding our warranty policy, if you are dissatisfied with our goods or service you may return the goods within 14 days of our despatch date. Simply contact us for a return authorisation number and we will refund your purchase in full, less transport costs on receipt of goods. All returned goods must be in as sold condition including all packaging, instructions, invoices etc.