JBL Synthesis SCL-8 Ceiling Loudspeaker


In stock

The SCL-8 features JBL’s patented 2410H-2 1-inch (25mm) compression driver mated to an offset High Definition Imaging (HDI™) horn.

In stock



2-Way 5.25-inch (130mm) In-Ceiling Loudspeaker

The SCL-8 is the most compact round in-ceiling model in the JBL Synthesis Custom Loudspeaker (SCL) series. It is designed for use as a height channel or in-ceiling LCR or surround channel loudspeaker. The SCL-8 features JBL’s patented 2410H-2 1-inch (25mm) compression driver mated to an offset High Definition Imaging (HDI™) horn. This patented horn design is integrated with an angled 5.25-inch (130mm) Advanced Aluminum Matrix cone cast-frame woofer operating behind an acoustic aperture waveguide. The innovative configuration yields incredibly smooth and consistent performance for off-axis placement up to 60 degrees from the listening position. The SCL-8 is acoustically designed to match any of the JBL Synthesis Custom Loudspeakers (SCL series) as part of a complete JBL Synthesis immersive audio solution. It is ideal for use in small to medium rooms.


  • 2-way in-ceiling loudspeaker system designed for off-axis listening as height, in-ceiling LCR and surround channels
  • 1-inch 2410H-2 compression driver tweeter mated to a JBL patented offset High-Definition Imaging (HDI™) horn assembly
  • 5.25-inch (130mm) Advanced Aluminum Matrix cone, cast frame woofer with acoustic aperture waveguide baffle
  • Patented Cat Claw installation mechanism
  • Gold plated, spring-loaded binding posts
  • Includes paintable round and square zero-bezel, magnetically attached grilles

General Specifications

Type2-Way In-ceiling loudspeaker
Low-Frequency Driver5.25” (130 mm) advanced Aluminum Matrix cone cast-frame woofer (JW130Al-4)
High-Frequency Driver1″ (25 mm) 2410H-2 Teonex annular ring-diaphragm compression driver
Recommended Amplifier Power25 – 100 W RMS
Loudspeaker Sensitivity85 dB/2.83V/1m (2pi anechoic)
Frequency Response55 Hz – 30 kHz (-6 dB on-axis), 2pi anechoic
Crossover Frequency1.8 kHz
High-Frequency Coverage Angle (-6dB)60° Vertical (Up 30°, Down 30°, from 45° Vertical Centerline), 120° Horizontal, from 2k Hz to 10k Hz.
Enclosure TypeOpen back
ControlsBoundary Proximity Control
Warranty5 Years
Shipping Units of MeasureEach
Grill Dimensions (Square)10.77” (273 mm) x 10.77” (273 mm)
Grille Dimensions (Round)10.77” (273 mm) Diameter
Product Dimensions (with grille)10.77” H x 10.77” W x 4.73” D (273 mm x 273 mm x 120 mm)
Cut-out Diameter9.72” (247 mm)
Accessory Rough-in BracketCB8
Mounting Depth4.54” (115 mm)
Input TypeGold-plated spring-loaded binding posts
Product Weight7.8 lb. (3.5 kg)
Shipping Weight10.6 lb. (4.8 kg)

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