Premium Audio.
C4.8T
The Martin Audio C4.8T is a high-performance, flush-mount ceiling speaker designed to deliver exceptional sonic clarity and wide coverage in a compact form factor. Perfect for high-end commercial environments, it combines a 4-inch bass driver with a 0.8-inch dome tweeter to provide rich, full-range sound that defies its small footprint.
High-Performance Ceiling Mount
Engineered for Excellence.
Wide Conical Dispersion
Achieve consistent, even coverage across the listening area with a broad 180° dispersion pattern, reducing the number of units required for large spaces.
Integrated Steel Backcan
Housed in a zinc-plated steel backcan, the C4.8T ensures optimum acoustic performance and meets strict fire safety regulations (UL2043) for plenum spaces.
Coaxial Driver Technology
The 4-inch LF driver and 0.8-inch HF tweeter are mounted coaxially to provide a point-source sonic image and superior off-axis response.
70V/100V Transformer
Equipped with a high-quality line transformer and a 16-ohm low-impedance setting, allowing for seamless integration into distributed or low-Z systems.
Technical Specifications
Acoustics & Drivers
Type
Two-way high-performance ceiling speaker
Frequency Response
100Hz – 20kHz ± 3dB (-10dB @ 80Hz)
Drivers
4″ (100mm) UL94V-0 PP cone LF, 0.8″ (19mm) coated dome HF
Power & Performance
Rated Power
40W AES, 160W Peak
Sensitivity
86dB (1W/1m)
Max SPL
102dB continuous, 108dB peak
Nominal Impedance
16Ω (plus 70V/100V transformer)
Dispersion
180° conical up to 10kHz
Physical & Dimensions
Enclosure
Zinc-plated steel backcan with UL94V-0 rated baffle
Finish
White (paintable) with perforated steel grille
Dimensions
(D) 211mm x (Depth) 190mm (8.31″ x 7.48″)
Weight
2.4kg (5.3lbs)
Fittings
C-ring and tile rails included
Ideal For
Hotels & Leisure
Corporate Boardrooms
Restaurants & Bars
Transport Hubs


