Designed and engineered in JBL’s world-famous acoustic engineering facility in Northridge, California, the HDI-3800 is the flagship of the JBL HDI Series.


  • 2.5-way Triple 8-inch Floorstanding Loudspeaker
  • Enclosure Type: bass-reflex design with rear-firing port
  • High Frequency Transducer: 1-inch (25mm) Teonex compression driver
  • Low / Mid Frequency Transducers: three 8-inch (200mm) black advanced aluminium matrix cone, cast frame woofers
  • Sensitivity (2.83V @ 1m): 92dB
  • Nominal Impedance: 4 ohm
  • Recommended Amplifier Power: 250W – 300W
  • Frequency Response: 37Hz – 30kHz (-6dB)
  • Contemporary design with premium finishes including high-gloss black, satin grey oak wood veneer, and satin walnut wood veneer
  • Dimensions (H x W x D) mm: 1100.5 x 300.0 x 417.8
  • Net Weight: 38.00 kg