Optimal Audio Up 4 by Millionhead, 4 -inch ceiling speaker, 30 watts, 8 ohm or 70/100 volts. The frequency response is between 100Hz - 18KHz.

Two-Way Passive, Full-Range 4 "CEILING SPEAKER 4-inch 30-inch ceiling speaker, 8 ohm or 70/100 volts. The frequency responded between 100Hz-31KHz, providing a consistent and clear sound. For hotels, offices, restaurants and many other offices up 4 is a Discreet, Two-Way 4 "CEILING SPEAKER DELIVVER AND FREQUENCY SOUND TO A Wide Range of Cost CONSCIUS, Commercial Environmentss From Hots and CONCUSLOL OUT TOE TOTETELL OUTTELL OUT ,, Bars and Restaurants. An integral fixing system is Included to achieve a simple and clean Installation. Up 4 has a steel back and perforated steel Grille and IS FINISHAL WHITERS. Up 4 FEATURESS. D with a 0.7 "(20mm) Silk Dome Tweeter. It is suitable for both high Quality Speech and Music Reproduction. Taps or at Low impedance. Tap selection is Via a Rotary Switch Behind The Removable Grille. Smartamblets Or zone Will Provide Optimal Performance and LoudSpeaker Protection. Up a System and End User Control Simple and intuitive.Features: 4 "Coaxial Discreet sizeunobtrusive Design8 OHM OR 70/100V Line Operationrangers of Power Tapswide Conical Coverage Patternintegrated Mounting Hardware