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SF 228T

Two-Way SoundField Ceiling Tile Speakers with 8" Woofer and 70/100 V Transformer

The Extron SoundField® SF 228T is a two-way ceiling tile speaker for low impedance and 70 volt/100 volt systems. This Extron-exclusive design features a low profile, 2' x 2' (61 cm x 61 cm) by 5.3" (13.5 cm) deep enclosure that is UL 2043 plenum rated, weighs less than 20 pounds (9 kg), and drops directly into standard US style suspended ceilings, providing quicker installations. The two-way ported design includes an 8" (20.3 cm) woofer and a 1" (2.5 cm) silk dome tweeter that provides a frequency range of 50 Hz to 20 kHz for high fidelity music and speech reproduction. The SF 228T offers 60 watts continuous pink noise and 120 watts continuous program output. This speaker is sold in pairs and is designed for fast and easy installation into sound systems requiring high quality, wide bandwidth audio playback.

Key Features

  • 2' x 2' (61 cm x 61 cm), 18.5 lb (8.4 kg) drop-in ceiling tile speaker designed for US style suspended ceilings
  • UL 2043 plenum rated enclosure
  • 1" (2.5 cm) silk dome tweeter
  • 8" (20.3 cm) long-throw woofer with tuned bass reflex port
  • Front baffle design reduces unwanted enclosure resonances
  • Extron-exclusive enclosure weighs less than 20 pounds (9 kg)
  • White perforated grille matches appearance of air conditioning vents
  • 8 ohm direct or 70/100 volt operation with 32, 16, 8, 4, and 2 watt selectable power taps accessed via speaker wiring connections inside the rear panel
  • Frequency range: 50 Hz to 20 kHz
  • 60 watts continuous pink noise, 120 watts continuous program
  • 5.3" (13.5 cm) deep low profile enclosure for plenum environments
  • 5 year parts and labor warranty
  • Designed and manufactured by Extron
SF 228T Diagram
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Learn More

  • Ceiling Speaker Calculator
    Ceiling Speaker Calculator

    An easy-to-use calculator to determine ceiling speaker quantities and amplifier power requirements

  • SF 228T
    SF 228T

    Two-Way SoundField® Ceiling Tile Speakers with 8" Woofer and 70/100 V Transformer


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