JBL CSS8004 ceiling speaker

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JBL 4-inch commercial ceiling speaker for professional audio installations
Clear and balanced sound for announcements and background music
Wide 175° coverage angle for even sound distribution
Supports 100V, 70V and 25V line systems for PA applications
15W power handling for reliable daily commercial use
Compact, slim and lightweight design for easy ceiling mounting
Optional backcan support for improved sound control and safety
Easy bare-wire terminal connection

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Description
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The JBL CSS8004 ceiling speaker is a compact, high-performance 4-inch commercial ceiling speaker designed for background music and clear voice announcements in professional installations. Built with JBL’s trusted sound engineering, it delivers wide coverage, balanced audio, and reliable performance for spaces such as offices, retail stores, malls, restaurants, hotels, schools, hospitals, and commercial buildings. With a dual-cone loudspeaker, wide 175° sound dispersion, and multi-tap transformer support (100V / 70V / 25V), the JBL CSS8004 is ideal for distributed audio systems commonly used across India. Its slim profile, paintable grille, and optional back can compatibility make it easy to install while maintaining a clean and professional ceiling appearance.

4-Inch Dual-Cone Driver – Delivers clear speech and smooth background music
Wide Sound Coverage (175°) – Fewer speakers needed, even sound distribution
Multi-Tap Transformer – Supports 100V, 70V & 25V line systems
Low Distortion Audio – Clean and natural sound for announcements & music
Compact & Lightweight Design – Easy ceiling installation
Optional Backcan Support – Improved bass control and safety compliance
Durable JBL Build Quality – Designed for long-term commercial use

Specifications

Driver Size	100 mm (4 inch) dual-cone loudspeaker
Driver Sensitivity	90 dB (mid-range, 1 W / 1 m, 2 kHz – 6 kHz)
Frequency Range (-10 dB)	85 Hz – 18 kHz (driver & grille assembly)
Frequency Range	130 Hz – 18 kHz (using optional CSS-BB4 backcan)
Coverage Angle	175° conical (at 2 kHz)
Power Handling	15 W continuous
Transformer Taps (100 V)	5 W, 2.5 W, 1.3 W
Transformer Taps (70 V)	5 W, 2.5 W, 1.3 W, 0.7 W
Transformer Taps (25 V)	5 W, 2.5 W, 1.3 W, 0.7 W
Transformer Insertion Loss	≤ 1.5 dB
Connection Type	Bare-wire speaker terminal
Grille Diameter	Approx. 198 mm
Depth Behind Grille	Approx. 94 mm
Ceiling Cutout Diameter	Approx. 125 mm (open-back) / 170 mm (with backcan)
Backcan / Plenum Compatibility	Compatible with optional CSS-BB4 backcan and tile rails
Net Weight	Approx. 0.90 kg