5.25" Bluetooth Ceiling Speakers 600 Watts HCS528-16BT-4CH (4 Speakers)
USB Port for Device Charging
The audio controller features a USB flash memory reader for media playback which also doubles as a charging port for your devices. Also features AUX 3.5mm audio input jack.
Built-in Bluetooth for Wireless Music Streaming
Enjoy wireless music streaming thanks to built-in Bluetooth technology. Works with all of your favorite Bluetooth devices
Microphone Paging and Speaker Control
Take control of your audio system. you can control the volume of your sound as well as have multiple inputs that connect to your stereo system/speakers.
Premium Durability Grilles
our ceiling speakers are made of durable ABS material, allow you to enjoy peak performance in high humidity environments and speaker performance covers the room with balanced stereo sound-no drop-offs.
Pivoting Silk Dome Tweeter
Perfect integration between the tweeter and woofer is achieved through a 89dB crossover network that ensures coherent transition in the critical upper midrange region.
Compact flush mount design for simple easy installation in-wall / in-ceiling, perfect for Musical dance party at cruise party, or other household using: home theater, bathroom, office, kitchen, shopping mall ect.
Stereo Surround Sound at Home
High-quality, powerful, full-range performance, the in-wall speaker combined with dual high excursion 5.25 inch poly woofers and a 1 inch soft dome tweeter. Each speaker features a high-compliance polymer tweeter that delivers full, surround sound that you are looking for.
Model: HCS 528-16BT-4
Max Power: 600 Watts
Speaker Size: 5.25 inches
Bluetooth Function: Yes
Power Output: 150W
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）
4* Ceiling Speaker
4* Speaker Cable
1* In-Wall Bluetooth Amplifier
1* Power Adapter (supplied by your country)
The amp is built in. You do not need an additional amp to drive the speakers.
Thanks for your question, the sensitivity of the SZJW-US818-16BT ceiling speaker is 89dB.
there are two ways to connect power on bluetooth ceiling speakers:
The Wall Amplifier Can Be Hard-Wired or Powered via Included Power
1、Plug the adapter in the box directly into the power jack on the front of the panel, and connect the other end to the 110-220V power supply.
2、There are two wires in the 16BT box, 2-pin wire and 3-pin wire. The 2 colors are connected to the DC12V power supply, and the 3 colors are used for AUX connection.