AtlasIED FC104T72 4-Inch Ceiling Speaker with 4W 70V Transformer

The AtlasIED FC104T72 is a compact 4" full-range speaker equipped with a factory-installed LT-72 4W 70V transformer. Designed for public address and background music systems, this high-compliance driver delivers efficient low-frequency reproduction and a wide 135° dispersion angle for optimal coverage in distributed audio applications.

With a sensitivity of 94dB and frequency response from 100Hz to 10kHz, the FC104T72 is an ideal choice for installations requiring high intelligibility and cost-effective sound distribution. This unit features a dual-purpose transformer bracket for secure mounting and compatibility with AtlasIED grille assemblies. It is also UL1480 and UL2043 certified for general signaling and air handling spaces.

Key Features

• Built-In LT-72 Transformer: Supports 70V systems with 0.5 to 4W tap settings
• High-Compliance Driver: Damped cone delivers smooth low-end and broad frequency range
• Wide Dispersion: 135° coverage minimizes speaker count in distributed systems
• UL Certified: Listed for general signaling (UL1480) and plenum spaces (UL2043)

Technical Specifications

• Model: FC104T72
• Power Taps: 0.5, 1, 2, 4W @ 70V
• Sensitivity: 94dB (1W/1m)
• Frequency Response: 100Hz – 10kHz
• Dispersion: 135° (-6dB @ 2kHz octave)
• Dimensions: 6.5 x 6.5 x 4.0 inches (165 x 165 x 102 mm)
• Shipping Weight: 2.67 lbs (1.21 kg)
• Certifications: UL1480, UL2043
• Warranty: 5 years