Vented Tunnel Subwoofer with integrated F.I.R. controller amplifier

Very compact 15 inch vented subwoofer loudspeaker element with accurate transient reproduction and integrated 3 channel controller amplifier. Designed to support 0823 AURORA and 1223 ARAMIS while offering full F.I.R. capabilities.

BLI ADSP 1514 is a dual long tunnel construction combining vented and internal horn chamber design in a unique package. This outstanding approach offers high acoustic gain.

The integrated 3 channel amplifier offers 1600 Watt for the 15 inch subwoofer and two times 400 Watt for two external mid high cabinets. It has got two XLR signal inputs as well as two Speakon power outputs, it is possible to build a stereo setup using additionally two 0823 AURORA or two 1223 ARAMIS as mid high units.

The state-of-the-art control technology uses the most advanced F.I.R. filters and incorporate more than 20 years of development and research experience from one of the first designers ever to use F.I.R. filtering at extrem high sub low down sample rates.

Technical Specifications


  • Low Frequency: 15-inch long excursion neodymium cone driver; 8 ohm nominal impedance


  • Vertical x Horizontal Coverage: 360° depends on configuration when using more than one element

Audio Performance

  • Output @ 1 meter: 132 dB SPL
  • Used Frequency Range : 38 Hz – 90 Hz
  • Phase Response: 45 Hz – 90 Hz +/- 30°
  • Sensitivity 1 Watt @ 1 Meter: 98 dB

Power Outputs

  • 2 x 400 Watt external speaker
  • 1 x 1600 Watt Internal 15 inch woofer
  • Two Loudspeakers, one per Channel either 0823 AURORA or 1223 ARAMIS
  • Two Neutrik Speakon NL4

Signal Inputs

  • 2 x XLR Analog
  • Ethernet/LAN


  • 32 Kg
  • Durable hex stamped steel grille
  • Baltic birch plywood, black coated
  • size about: (H x W x D in mm) 400 x 680 x 530
  • Bottom (4) rubber feet