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Instruction Manual


This series of Biema 2-way full range speakers has been engineered using the most advanced
acoustic design software. The trapezoid shaped plywood cabinets have been specially treated
with an acoustic damping coating to improve their performance. Each completed unit is subject to a 5 hour “running in” test. The cabinets’ trapezoidal cross section allows installation in either wall or ceiling mount applications. Fitted with standard 4 pin speaker socket & top hat for stand mounting.

Information & Downloads


  • Input power (continuous): 120W RMS
  • Input power (peak): 240W
  • Impedance: 4Ω
  • Freq response: 70Hz-20kHz
  • SPL 1W @ 1m: 93dB
  • Max SPL: 117dB
  • Dimensions: 620H x 220W x 222D
  • Weight: 9.9kg
    • *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.