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Extron SM 3 3.5" Full-Range Surface Mount Speakers White (Pair)

Extron  |  SKU: 42-133-03

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The Extron SM 3 is a pair of compact full-range surface-mount speakers designed for clear speech reproduction and background music in professional distributed audio installations. Each speaker features a 3.5-inch (89 mm) full-range driver in a low-profile, paintable ABS enclosure with a rugged, weather-resistant construction. The speakers deliver a frequency response of 120 Hz to 20 kHz with wide dispersion, providing even sound coverage in small to medium spaces such as classrooms, conference rooms, hallways, open offices, retail spaces, and hospitality environments.

With power handling up to 8 W continuous pink noise and an 8-ohm nominal impedance, the SM 3 is compatible with Extron amplifiers or standard commercial audio systems. Included wall-mount brackets allow flexible horizontal or vertical orientation, while the paintable enclosure and grille enable aesthetic matching to room decor. Sold as a matched pair for consistent stereo or distributed mono coverage.

Features Chart

Feature Benefit
3.5" Full-Range Driver Clear speech intelligibility and balanced background music in compact form
120 Hz–20 kHz Frequency Response Wide bandwidth for natural sound quality in small spaces
Wide Dispersion Pattern Even coverage with fewer speakers in open or confined areas
Power Handling up to 8 W Suitable for low- to medium-volume paging and background applications
8-ohm Nominal Impedance Direct compatibility with standard low-impedance amplifiers
Paintable ABS Enclosure & Grille Custom color matching to blend with room aesthetics
Included Wall-Mount Brackets Flexible horizontal or vertical mounting options
Rugged, Weather-Resistant Construction Durable for indoor or covered outdoor use


Specifications Table

Specification Details
Driver Configuration 3.5" (89 mm) full-range driver
Frequency Response 120 Hz to 20 kHz, -10 dB
Power Handling 8 W continuous pink noise
Nominal Impedance 8 ohms
Sensitivity 88 dB, 1 W/1 m
Coverage Angle Wide dispersion (typically 120° conical)
Enclosure Type Paintable ABS with metal grille
Mounting Included adjustable wall-mount brackets
Applications Surface-mount distributed audio in indoor spaces
Sold As Pair (two speakers)


Compare Chart

Aspect Extron SM 3 Extron SF 3C JBL Control 12C/T
Driver Size 3.5" full-range 3.5" coaxial full-range 3" full-range
Frequency Response 120 Hz–20 kHz 120 Hz–20 kHz 95 Hz–18 kHz
Power Handling 8 W continuous 8 W continuous 20 W continuous
Impedance 8 ohms 8 ohms 8 ohms
Coverage Angle Wide dispersion Wide dispersion 120° conical
Mounting Wall-mount brackets included Ceiling tile mount Ceiling tile mount
Primary Use Surface-mount paging/music Low-profile ceiling paging Low-profile ceiling paging
Extron Optimization Yes Yes No


FAQ

  • What is the SM 3 designed for? It provides clear speech and background music reproduction in surface-mount distributed audio applications, especially in smaller spaces.
  • What is the driver configuration? Each speaker features a single 3.5" full-range driver for compact size and wide dispersion.
  • What power handling does it support? Up to 8 W continuous pink noise at 8 ohms, suitable for low- to medium-volume installations.
  • How is it mounted? Included adjustable wall-mount brackets allow flexible horizontal or vertical orientation on walls or other surfaces.
  • Can the enclosure and grille be painted? Yes, both the ABS enclosure and grille are paintable to match room decor or blend into the environment.
  • Is it sold as a pair? Yes, the SM 3 is sold as a pair (two speakers) for consistent stereo or distributed mono coverage.
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