Rockville ROCK MATRIX 4 70V Ceiling Amp Kit sku-230360185

This Rockville Restored Tech package (sku-230360185, UPC 613817175955) contains 1 ROCK MATRIX 4 commercial amplifier and 10 pairs of white CC525T 5.25-inch in-ceiling speakers, 20 speakers in total, for restaurant, bar or cafe installations. The 4-zone amplifier supplies 440W total RMS at less than 1% THD, or 110W RMS per zone.

It has four separate zone outputs, routes any source to any zone, and can send microphone inputs to selected zones. It supports 70V and 100 volt systems and 16, 8 and 4 ohm speaker setups. Its RMS rating is 4 x 110 watts at each of those voltages and impedances. There are 4 line/mic inputs; 2 microphone inputs offer selectable phantom power.

The amplifier fits a 19-inch rack using removable brackets and has a built-in 1w monitor speaker for listening to any zone. Bluetooth 5.0 audio can be assigned to selected zones. A USB input and SD card slot each support playback from media up to 32gb. Separate volume controls serve MIC1/LINE1, MIC2/LINE2, MIC3/Line3 and MIC4/LINE4/MP3.

Other controls and indicators include bass and treble, a limiter, a clipping indicator, a MIC 1 priority button that lowers music while the microphone is in use, and a 6-segment level display (-10dB, -6dB, -3dB, 0dB, limit and clip). An internal fan cools the unit.

Each CC525T speaker has 70v taps at 20w, 15w, 10w, 5w and 2.5w; a polypropylene-cone 5.25-inch woofer with rubber surround; a 1-inch aluminum voice coil; a 1/2-inch Mylar dome tweeter; and an 8 oz ferrite magnet. The speakers have spring-loaded push terminals, aimable swivel tweeters and paintable flush-mount grilles.

Frequency response is 80Hz-20KHz, sensitivity is 88dB at 1w/1m, impedance is 8 ohms, mounting depth is 2.6 inches, and cut-out diameter is 6 inches.