• Wireless Serise Connection:The 4 channel Bluetooth amplifiers lets you pair 4 speakers for a powerful surround sound. simple and easy to use
• 100FT RANGE.Advanced 5.0 ensures more stable and instant pairing compared to 4.2 and lower; maintains a strong connection up to 100 ft unobstructed away from your device; 3.5mm aux in jack for connecting devices
• Flush Mount DesginCompact flush mount design for simple easy installation in-wall / in-ceiling , or pre-cut speaker openings, for in home use, office, professional, or custom audio applications on any flat surface.
• Mounts on Ceilings:Total Speaker Diameter: 7.5"(19cm)Cut-Out Diameter: 6.3"(16cm)Total Speaker Depth: 3.15"(8cm)Mounting Depth: 3.15"(8cm)
• What's in the box:6.5" speakers x 4 , Speaker Connection Wires x 4, Amplifier Box x 1,Power adapater X 1