Herdio 6.5" In-Ceiling Bluetooth Speakers 640 Watts for Powerful Audio Performance

About this item Dual Independent 4 Channels: 3.5mm stereo AUX input, allows connection with external audio devices, sound systems, and more. Ideal for speakers, stereo systems, and Home Theater. Support (4) speakers are working simultaneously. Microphone Paging & USB Port: This wall plate receiver adds convenient microphone paging ability along with simple source audio control. And a USB port for device charging. Bluetooth Connectivity: Built-in Bluetooth allows you to stream music to a connected speaker system hassle-free. Compatible with all of today's latest smart devices. Speakers Dimension: The max power of in-ceiling speakers(4 speakers) is up to 640 watts. Frequency Response Is 50Hz-20kHz with 89db at 8 Ohm. It can achieve wide-ranged sound performance, even in a spacious office, you can experience the stereo surround sound of the speakers. Easy to Install: Wall amplifier system can be installed on any wall in the home or office for versatile easy-to-access sound co