Talk to an expert
M-F 7am to 5pm PST

Atlas Sound SM42T-B Surface Mount Speaker

4" 2-way multi-purpose black speaker with 16-watt 70.7V/100V internal transformer

Get More Value with CCI Solutions

Worry-Free Guarantee
FREE Certified Tech Support
Best Available Price
Retail Price
Save 20%
Advertised Price
EXTRA Savings!
CCI Price!
Usually Ships
5 to 7 Days
Item Number 
Vendor Part

Indoor and outdoor weather resistant compact 70V black loudspeaker.

    The SM42T-B is the black, 4” woofer model with a 70-volt transformer. This two way system features constant directivity waveguides for accurate and even coverage. The Environment-resistant SM Series loudspeaker systems from Altas Sound offer quality sound reproduction and contemporary styling in a compact enclosure. Full-range frequency response makes these systems ideal for indoor and outdoor installation, in foreground or background music systems. Multi-position, C-shaped mounting bracket and rugged construction provide optimum installation flexibility and assurance of long-term service. This product is the perfect device for commercial, professional and residential applications or where high-fidelity sound and weather-resistance is desired. Full-range frequency response makes this woofer loudspeaker ideal for indoor, outdoor installation including applications in boutiques, shops, restaurants, cafes, corporate AV applications, and houses of worship.


  • 1" FerrofluidT Cooled Dome Tweeter & Highly Efficient 4" Polypropylene Woofer
  • All 1/4"-20 Hardware Inserts Allow Easy Integration of "Off The Shelf" Security Hardware
  • Atlas Sound POLYGUARD™ High Frequency Protection Circuit
  • Black Finish
  • Color Matched Heavy-duty Zinc Chromate Plated & Powder Coated "C" Bracket (Included)
  • Five-Year Warranty
  • OMNIMOUNT™ 10 Series Compatible
  • Screwdriver Adjustable 16-Watt 70.7V/100V Transformer (may be bypassed for 8-ohm operation)
  • TRX WAVEGUIDE™- Constant Directivity Style High Frequency Wave Guide System
  • Weather-Resistant Construction For Year-round Indoor or Outdoor Use

Specifications for the Atlas Sound SM42T-B

Height 7" (17.78 cm)
Width 5" (12.7 cm)
Depth 50 15/16" (15.08252 cm)
Shipping Weight 5.00 lbs (2.27 kgs)
Frequency Response 110Hz to 20kHz
Power Taps 2, 4, 8, 16
Speaker Type Surface Mount
Dispersion 90°H x 90°V
Sensitivity 88dB