Package Includes: (1) Rockville ROCK MATRIX 4 Zone 70 Volt Commercial Amplifier+Matrix Source Routing, (10) Rockville WET-6W 70V 6.5" IPX55 Commercial Indoor/Outdoor Wall Speaker - White, (3) (4) Rockville CCL6T White 70V 6" Commercial Ceiling Speakers 4 Restaurant/Office Features of ROCK MATRIX 4: Rockville ROCK MATRIX 4 Zone 70 Volt Commercial Amplifier, 440 Watts Total RMS @ less than 1 % THD (110 Watts RMS per zone x 4 Zones), Route Any Sources to Any Zones, 4 separate zone output and you can route any source to any zone and also route a microphone input to specific zone(s), Supports multi zone installations using 70 volt, 100 volt, 16 ohm, 8 ohm, & 4 ohm speaker set ups, 4 line/mic inputs (2 of the mic inputs have selectable phantom power for condenser mics) 19" rack mountable (removable rack brackets), Built in 1w monitor speaker allows you to listen to playback on any zone, 100 volt RMS Power: 4 x 110 Watts RMS, 70 volt RMS Power: 4 x 110 Watts RMS, 4 ohm RMS power: 4 x 110 Watts RMS, 8 ohm RMS power: 4 x 110 Watts RMS, 16 ohm RMS power: 4 x 110 Watts RMS, Built in Bluetooth 5.0 chip allows audio streaming with matrix assigning to any zone(s), USB input to play audio stored on a thumb drive with matrix assigning to any zone(s) (32gb max) Features of WET Series: Rockville Wet-6W 6.5" Commercial/Restaurant 70V or 8 Ohm Wall Mount Speaker, IPX55 rating makes this perfect for outdoor use or indoor use, IPX55 means this can withstand jet streams spraying it from any angle without any damage, Rugged ABS cabinet is waterproof, Vented enclosure with waterproof vent (water can't get in but sound can get out), Aluminum grill is waterproof and rustproof, Waterproof protective cloth blocks water from going into the vent Features of CCL6T WHITE: (4) Rockville CCL6T White 70V 6" Commercial Ceiling Speakers, Perfect for PA announcements or background music or any other applications where you want many speakers installed, Transformer with terminals for 10 Watts, 5 watts, or 2.5 watts, Perfect for restaurants, offices, schoolsm churches, buildings, and other commercial applications, Double Paper Cone, 0.75" voice coil, 3.5 oz ferrite magnet, 6" Woofer, Fireproof screw terminal block