The speaker features a 5-inch woofer and 1-inch titanium diaphragm compression driver mated to a round Tractrix® Horn for smooth response with constant directivity. The 1-inch Tractrix port provides deeper fuller bass with less compression and distortion.< p>The IC-400-T packs proven materials and wide dispersion horn technology into an installer-friendly UL-certified (2043 and 1480) value-priced in-ceiling speaker with an integrated back can and multi-tap transformer. < /p>< p>For distributed line applications the IC-400-T features a 70/100 volt multi-tap transformer. A single rotary switch for the 8-ohm bypass and multi-tap setting is conveniently located on the front baffle. < /p>< p>The speaker's included tile bridge allows for easy installation in a suspended ceiling or wherever additional reinforcement of the ceiling material is required. A mudring kit can be purchased separately to further simplify drywall installations.< /p>< p> For areas with too high or no suspended ceilings, the addition of the KPH-525 Pendant Housing with the IC-400-T provides an alternative, high-aesthetic sound solution.< /p>