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The SM42T-W from Atlas Sound is a surface-mount loudspeaker designed for professional, commercial, or residential applications where hi-fi sound is needed. The compact cabinet houses an efficient 4" polypropylene woofer and a 1" dome tweeter to provide a full frequency response. The TRX wave guide system provides wide dispersion of audio.

The weather-resistant construction allows you to use the speaker indoors or outdoors all year long. Internal Polyguard protection circuitry ensures that your speaker keeps running smoothly. An internal 16W, 70.7/100V transformer provides a strong performance, and may be bypassed for 8 Ohm operation. The speaker includes a heavy-duty C-bracket for mounting, and 1/4"-20 inserts let you integrate off-the-shelf security hardware.

High-quality two-way surface-mount loudspeaker for residential, professional, or commercial applications
Weather-resistant construction allows you to use the speaker indoors or outdoors
Full frequency response from the 4" woofer and 1" tweeter
High-frequency wave guide system for wide sound dispersion
Internal protection circuitry for smooth performance
Internal 16W, 70.7/100V transformer with power taps at 2, 4, 8, and 16 Ohms. The transformer can be bypassed for 8 Ohm operation
Heavy-duty powder-coated C-bracket for mounting included
Standard inserts let you use off-the-shelf security hardware
Compatible with Omnimount 10 series
Frequency Response 115Hz - 16kHz
Power Rating 30W RMS
Maximum Sound Pressure Level (SPL) Not Specified by Manufacturer
Nominal Sensitivity 88dB
Impedance 8 Ohms (Transformer Bypassed)
Crossover Not Specified by Manufacturer
Shielded No
Low Frequency Driver 4" (102mm) Polypropylene Woofer
High Frequency Driver 1" (25mm) Ferrofluid-Cooled Dome Tweeter
Enclosure Material UV-Resistant Talc-Impregnated Polypropylene with Powder-Coated Aluminum Grille
Input Connections Wire Terminal
Environmental Indoor/Outdoor
Dimensions (HxWxD) 7 x 5 x 5.9" (178 x 127 x 150mm)
Weight 1.5 lbs (0.68kg) (Without Bracket)
Atlas Sound SM42T-W - 16W 70.7/100V 4" Two-Way Weather-Resistant Surface-Mount Speaker (Pair, White)
  • Mounting Bracket
  • 5-Year Limited Warranty