6.5'' 640Watts 2-Way Bluetooth Ceiling Speakers Package Great for Home Theater System, Living Room,Office,Flush Mount Wired(4 Speakers)

Wired Connection Compatible with Bluetooth: The TWS function enables pairing of 4 speakers for robust true surround sound. The host and sub speakers automatically link within 6 seconds after both are powered on, for straightforward use. Flush Mount Design: Two pairs of flush mount speakers for simple in-wall or in-ceiling installation. Cutout dimensions are 8.07 inches (20.5 cm) in diameter by 4.92 inches (12.5 cm) in depth, featuring changeable round grills. High Durability & Superior Sound: Wide sound dispersion design integrates seamlessly with new and existing audio systems. The traditional passive speaker design draws power from your home audio receiver or amplifier. Suitable for bathroom, kitchen, or custom audio applications on any flat surface. Easy to Install: Includes a cut-out size template, quick-connect spring-loaded speaker terminals with fixing clips, and speaker connection wire for simple setup. The controller is compatible with Bluetooth and power supply. What's in the Box: 6.5" speakers x 4, speaker connection wires x 4, amplifier box x 1, power adapter x 1