AtlasIED SM42T 4" 2-Way All-Weather Surface Mount Speaker | Black
AtlasIED SM42T 4" 2-Way All-Weather Surface Mount Speaker | Black
SoundPro Item: 19394 | Part Number: SM42T-B
In stock and ready to ship
- Screwdriver-Adjustable Transformer Taps Allow Power Level Selection Without Tools
- Integrated 8Ω Bypass Enables Direct-Coupled Operation On Non-Distributed Zones
- TRX Waveguide Constant-Directivity Design Maintains Consistent Coverage Pattern
- Atlas Sound POLYGUARD High Frequency Protection Circuit Extends Tweeter Life
- Ferrofluid-Cooled Dome Tweeter Sustains Performance Under Continuous High-Output Use
- All 1/4"-20 Hardware Inserts Accept Standard Off-The-Shelf Security Hardware
- Weather-Resistant Construction Supports Year-Round Indoor And Outdoor Deployment
The AtlasIED SM42T Series is engineered for integrators and AV professionals specifying distributed audio in commercial, corporate, and light-institutional environments. With a polypropylene woofer, ferrofluid-cooled dome tweeter, and a TRX WAVEGUIDE constant-directivity system, these speakers deliver consistent coverage in foreground and background music applications without requiring external transformers or additional mounting hardware.
Weather-resistant construction makes the SM42T equally viable for covered outdoor terraces, open-air retail patios, houses of worship, and indoor corporate spaces where moisture or temperature cycling would compromise lesser enclosures. The integrated 70.7V/100V step-down transformer with selectable power taps and an 8Ω bypass gives installers the flexibility to drop these into both distributed 70V systems and direct-coupled zone amplifiers within the same project.
The included color-matched heavy-duty C-bracket provides multi-position aiming without additional hardware, and all quarter-twenty inserts accept standard security hardware for installations where vandal resistance is a specification requirement. UL 1480A safety listing satisfies compliance requirements in commercial construction projects, and the five-year warranty reflects the long-service-life expectation of permanent installs.

- Power Taps 2, 4, 8, & 16-Watt and 8Ω
- Speaker Type Surface Mount
- Sensitivity 88dB
- Frequency Response 115Hz - 16kHz
- Dimensions (H x D x W) 7 x 5 15/16 x 5 inches (17.78 x 15.03 x 12.7 cm)
- Shipping Weight 5 lbs (2.27 kgs)
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