This classroom sound system delivers 360° of crystal-clear audio coverage with the SD5 in-ceiling speaker, powered by the versatile RMA120BT 120W Bluetooth mixer amplifier in a lightweight, space-saving design. Perfect for K-12 classrooms, study halls, labs, and music rooms, it enhances the learning experience by integrating seamlessly with existing AV equipment, including projectors, wired or wireless microphones, Bluetooth devices, MP3 players, USB thumb drives, and TF cards. You can easily adjust the volume with the included VC100W volume control.

Struggling to be heard? Simply add a wired or wireless microphone for crystal-clear speech intelligibility while preserving your voice.

The Pure Resonance Audio SD5 SuperDispersion® omnidirectional drop tile ceiling speaker array is the premium solution for speech reproduction and intelligibility that maximizes audio coverage. The SD5 drop ceiling speaker provides an industry-leading 50' by 50' of audio coverage in a smooth, even 360-degree coverage pattern and reproduces speech better than any ceiling speaker on the market today. Just one SD5 speaker takes the place of multiple traditional single ceiling speakers, saving money, simplifying and reducing installation time and cost, and optimizing performance.

The simple to operate Pure Resonance Audio RMA120BT 5-channel commercial rack mount mixer amplifier features 120 watts of high-performance power encased in a slim and lightweight space-saving design. This mixer amplifier provides quick and easy Bluetooth connection as well as the ability to accommodate most input sources like microphones, AV equipment, or computer audio. Adjust the audio levels/settings as well as control the volume of the SD5 speakers with the included remote control or wall volume control.

Due to the possibilities of FM radio interference and the variables involved, it's not recommended to use FM radio as your primary input source.