SP622.1 Square in-wall loudspeaker Square in-wall/ceiling loudspeaker. Dual Voice Coil 6 1/2", Dual 1/2" titanium dome tweeters. Two piece baffle. Injection molded graphite laminated cone. * Frequency Response: 58-21,000Hz * Tweeter: 1/2" (19mm) Neodymium silk dome, FerroFluid(tm) cooled, swivel, moisture resistant * Woofer: 6.5" (165mm) Polymica, moisture resistant, foam surround * Crossover: 12 dB/octave - tweeter, 12 dB/octave - woofer * Sensitivity: 90 dB/1W/1m * Min/Max Power: 10/80 W/ch RMS continuous * Nominal Impedance: 8 Ohm * Grille Type: Fine mesh grille, paintable (steel) * Frame Type: ABS-type plastic, paintable * Dimensions: 8 2/3"W x 12"H x 3"D (220 x 229 x 79mm) * Mounting Hole: 7 3/8"W x 10 3/4"H (187 x 273mm) * Mounting System: 6 self-mounting, self-contained clamps * Rough-In Template, optional: ST-2.6