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100 mm (4 in) Commercial Series Ceiling Speakers

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.   


  • High 90 dB sensitivity
  • 5 Watt multi-tap transformer for 100V, 70V and 25V distributed lines
  • Very wide 175° coverage
  • Fits CSS-BB4 backcan

JBL CSS8004 4" Commercial Series Ceiling Speaker. 90 dB sens, 5W multi-tap

$29.50 Regular Price
$20.00Sale Price
  • Driver Size (dual-cone) 100 mm (4 in)
      Driver Sensitivity (mid-range) 
    (1W [2.83V], 1m, 2k – 6k Hz)
    90 dB
      Frequency Range (-10 dB) 
    Driver/Grille Assembly
    85 Hz – 18 kHz
      Installed in CSS-BB backcan 130 Hz – 18 kHz
      Coverage (2 kHz) 175°
      Driver Continuous Power Handling 15 Watts
      100V Taps 5W, 2.5W, 1.3W
      70V Taps 5W, 2.5W, 1.3W, 0.7W
      25V Taps 5W, 2.5W, 1.3W, 0.7W
      Transformer Insertion Loss 1.5 dB Maximum
      Transformer Connection Bare wire
      Motor Mass 200 g (7 oz)
      Safety Agency Suitable for use in air handling spaces per UL1480, UL2043, NFPA 90 & NFPA 70, when installed with corresponding UL Listed backcan, below. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849.
      Matching CSS Backcan CSS-BB4
      Other Compatible Backcans N/A
      Bolt Mounting Circle to Backcan 4 points on 165 mm
    (6.5 in) diameter
      Cutout Diameter
    125 mm (5.0 in)
      In CSS-BB backcan 170 mm (6.7 in)
      Depth (behind grille) 94 mm (3.7 in)
      Grille Diameter 198 mm (7.8 in)
      Net Weight (ea) 0.90 kg (1.0 lb)
      Shipping Weight (ea) 1.26 kg (2.8 lb)
      Included Accessories 4 pcs M4 x 40 mm sheet metal screws for attaching speaker/driver/transformer assembly to corresponding backcan.
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