Compatible with Bluetooth
Bluetooth has a wide range and can be connected with various devices with Bluetooth function..
Compact flush mount design for simple easy installation on any flat surface.That bring you a clean And Tidy Wall
Removable and Paintable grille
With a removable grille and also can be painted, and the powder-coated aluminum grille is also moisture -resistant.
Great Audio Sound Performance
The HCS-528BT has an impressive 300 Watt Rated peak power .( Each speaker is 150 watt), delivering effortless stereo sound to any room in your home or office.
Max Power: 300 Watts
Speaker Size: 5.25 inches
Bluetooth Function: Yes
Max Sensitivity: 89 Db
Impedance: 8 Ohms
Frequency Response: 60-20 kHz
Total speaker diameter: 8.46 inches（21.5CM）
Cut-Out Diameter: 7.3 inches （18.5CM）
Speaker depth: 4.33 inches（11CM）
2* Ceiling Speaker
2* Speaker Cable
1* Power Adapter (supplied according to your country)
You could mount the amp box and the power box in the ceiling,but your IPhone just could control the amplifier box but the power adapter.becasue the amplifer box jneed connect with the power adapter,and the adapter need be connected with power supply.
They bluetooth works fine no receiver need