Check the listing for details. Valcom X-228 Lay-in Ceiling Speaker 8 Ohms Package of 2. Color: White, Condition: New. Listed at 95.00 USD. Valcom X-228 Lay-in Ceiling Speaker 8 Ohms - BOX HAS 2 SPEAKERS - SEE PICTURES Product descriptionWHITE GRILLE BAKED ENAMEL FINISH INTEGRAL PLENUM RATED BACKBOX MEETS OR EXCEEDS A.S.T.M. E84 FLAME & SMOKE TEST REPLACES A 2' X 2' OR 1/2 OF A 2' X 4' CEILING TILE FOUR SEISMIC TABS PROVIDED FOR ADDITIONAL MOUNTING INTEGRITY DESCRIPTION: 8" speaker assembly mounted in 2' x 2' grille with integral backbox. SPECIFICATIONS: SPEAKER ELEMENT Cone Diameter: 8" (20.32 cm) Voice Coil Impedance: 8 Ohms INPUT Impedance: 8 Ohms nominal SPEAKER FREQUENCY RESPONSE 80 Hz to 15 kHz ENVIRONMENT Temperature: -4 o to +131 oF (-20 to +55 oC) Humidity: 0-95% Non-Condensing HOUSING AND FINISH Steel housing with a white, baked-on acrylic enamel finish.