Line Source Element

The 2-way line source unit QL 1215 is equipped with two 1“ drivers coupled to a waveformer and two 8“ neodymium speakers combined with outstanding AQF acoustic filters. This filters, compounds of reticulated aminoplastic foams, dampen standing waves inside the speaker system and cancel parasetical side-lobars within the working direction, creating a wide while smooth horizontal dispersion and a perfect vertical scalability.

Where To Buy
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QL 1215 120° x 15° (Downfill) QLM 115 Low-Mid Extension QL 906 90° x 6°

Special features

  • 2-way Line Source Unit with 2× 8″ + 2x 1"
  • dispersion characteristics 120° x max. 15°
  • high rearward damping
  • K.M.E. Quick Release – fully integrated rigging und stacking system
  • stable and weather resistant enclosure with black polyurethane coating


Components 2 x 8 " with acoustic filter in separated closed enclosures 2 x 1" with wave former
Dispersion (h x v) 120° x 15°, vertical depends on array length and configuration
Nominal load (AES / program) 400 / 800 W
Impedance 8 ohms
SPL nom. (Fullspace@1W/1m) / max. SPL (at AES nominal load) 98 / 135 dB (3 units with an angle of 0°)
Frequency range (-6 dB) 80 Hz – 20 kHz
Dimensions (W x H x D) 600 x 285 x 383 mm
Weight 24 kg
Connectors 2x Speakon NL4 (1+/1-)
Finishing PU coating (black)
Rigging system K.M.E. Quick Release – fully integrated rigging und stacking system
Protective grille front grille with acoustic foam

In use / reference projects

This product is used in these reference projects: