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JBL Commercial Products


JBL's Commercial Series Ceiling Speakers provide excellent performance for paging and background music applications. High sensitivity across the product line provides maximum sound level, even at low tap settings.

The 8138 is an 8" ceiling speaker designed for use with a pre-install inceiling backcan, resulting in highfidelity performance at a costeffective price point. The 8138 is ideal for a wide variety of commercial sound applications from restaurant and retail to professional offices and reception areas.

  • Stylish, contemporary appearance enhances any decor.
  • Clear sound from an 8 inch dualcone full-range driver.
  • Very high sensitivity of 97 dB for maximum sound levels using minimum amplifier power.
  • 6W transformer for use on 70V/100V distributed speaker lines
  • Installs to in-ceiling backboxes having 4 mounting points on an 11.25" (286 mm) diameter mounting circle.
  • Requires MTC-81BB8 backcan, MTC-81TB8 tile rails optional
Component 8" (200mm) Full-range, Dual-cone
Frequency Range 95 Hz - 18 kHz
Coverage Angle 90 degrees conical
Sensitivity 97 dB (1kHz - 8kHz), 1W, 1M
Power Capacity 40W (160W peak), 2 hours; 25W (100W peak), 100 hours
Transformer Taps 6W, 3W, 1.5W (0.75W at 70V only)
Termination Bare wires
Dimensions 12.9" (327 mm) diameter baffle x 3.3" (84 mm) depth from back of baffle; overall depth, 3.9" (228 mm)
Weight 3.0 lbs (1.4 kg)
  Version Language Size Uploaded
8138 Brochure-English
en updated: Jan 20, 2021
  en  820 KB Jan 20, 2021
Cut Sheets
8138 Cut Sheet-English
en updated: Jan 20, 2021
  en  363 KB Jan 20, 2021
JBL Commercial Brochure
updated: Apr 02, 2020
    1.64 MB Apr 02, 2020
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