The AtlasIED IsoFlare™ FC-4T is a high sensitivity, wide bandwidth ceiling loudspeaker designed to set a new standard in audio fidelity, coverage, and aesthetic integration. Engineered for prestigious commercial spaces, this loudspeaker delivers natural, accurate sound reproduction with superb tonal balance — the result of advanced harmonic alignment between the high-frequency titanium driver and low-frequency multi-fiber cone.
Unlike typical coaxial designs, the FC-4T produces a spherical wave front with uniform time alignment across all axes, providing exceptional off-axis consistency and even coverage throughout the listening area. Its compact size belies its surprising low-frequency output, making it an ideal solution for both music and speech reinforcement in architecturally sensitive environments.
Installation is effortless thanks to the patented tool-less high-travel secure-clamp system, and its bezel-less, magnetically secured grille allows for easy customization, including a one-step painting process without the need for adapters. The FC-4T’s robust build quality and weather-treated components ensure long-term reliability and performance.
For enhanced bass response, pair the FC-4T with the IsoFlare™ FC-8ST ceiling subwoofer. The FC-4T comes complete with C-Ring and tile bridges for flexible ceiling mounting.
AtlasIED FC-4T KEY FEATURES
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Patented tool-less, high-travel secure-clamp for fast, hassle-free installation
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Bezel-less, magnetically secured grille with removable logo for easy painting/customization
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Ferrofluid-cooled titanium high-frequency driver with neodymium magnet for pristine clarity
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Weather-treated multi-fiber cone with controlled top-end roll-off for accurate midrange
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Fluted Surround Technology minimizes coloration caused by reflected energy
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Optimized smooth transition baffle reduces diffraction effects for cleaner sound
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Full bandwidth 30W 70V/100V transformer with very low insertion loss
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High-quality crossover components (Air Core Inductors & Polypropylene Capacitors)
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Easy-access tap rotary selector switch for convenient volume adjustment
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Enhanced voicing presets available via AtlasIED Atmosphere DSP platform
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Includes C-Ring and tile bridge mounting hardware.
AtlasIED FC-4T SPECIFICATIONS
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Type
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Two-Way, Full Range, Ceiling Loudspeaker (Blind Mount)
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Frequency Range (-10dB)
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62Hz - 30kHz
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Frequency Response (+/- 3dB)
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80Hz - 22kHz
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System Sensitivity (1W @ 1m)
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88dB
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Nominal Coverage Angle (-6dB)
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100°
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Directivity Index (DB)
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4.7
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POWER HANDLING
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Average
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60W
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Programmed
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120W
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Peak
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240W
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Recommended Amplifier Power
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120W @ 8 Ohms
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Nominal Impedance
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8 Ohms
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Transformer Taps - Via Rotary Selector Switch
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30W, 15W, 7.5W, 3.8W ( 1.9W70V) & Low Z operation
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RATED MAXIMUM SPL
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Average
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106dB
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Peak
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112dB
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With Max. Transformer Tap - Average
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104dB
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