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Your cart is empty.Multi Source / Multi Zone Matrix Routing: The Rock Matrix 4 is a 4 zone commercial amplifier that allows you to route any source to a specific zone(s) and also route any microphone input to a specific zone(s). For example, you can play Bluetooth on zones 1 and 2 and route microphone 1 to zones 1 and 2 while playing something in Zone 3 using an RCA input, and playing something else in zone 4 using the 1/4" input. You can also route the other mic input to whichever zones you want. Power and Flexibility: Each zone has 5 sets of speaker terminals depending on what kind of speakers you have. You can use 70 volt, 100 volt, 16 ohm, 8 ohm, and 4 ohm. No matter what you will get 110 watts RMS per channel. That is 440 watts of total RMS power. For example, you can have (2) 8 ohm speakers on zone 1, (30) 70 volt speakers on zone 2, 16 ohm speakers on zone 3, etc. Enjoy superb sound quality without bulky cabinet speakers crowding the room. These ceiling speakers are precision tuned for excellent audio response at high and low volumes. These speakers are perfect for both large and small rooms. For larger rooms you can install 8 or more of them while in smaller rooms 2 or 4 will fill the room. These are perfect for complete home systems where you want to install speakers in multiple rooms. These in-ceiling speakers feature an 8" polypropylene cone for clear, rich mids and deep bass. Rubber surrounds eliminate unwanted distortion so all your music sounds loud and clear. Our Mylar dome tweeter provides clean, crisp highs. Each pair puts out 240 watts RMS and 700 watts of peak power! This is more than enough power to fill large rooms. The included sheer grill enables flush installation and can be painted to match any décor. Our spring loaded push terminals are gold plated and supply a perfect signal from your amp or receiver.