This classroom sound system combines 360° of crystal-clear audio coverage from the SD5 in-ceiling speaker with the power and versatility of the RMA120BT 120W Bluetooth mixer amplifier in a lightweight, space-saving design. Create a better learning experience by pairing this audio system with your existing audio visual equipment like the audio output from your projector, a wired or wireless microphone, or your Bluetooth device. You can also connect additional audio sources like an MP3 player or play audio from your USB thumb drive or TF card.

This classroom sound system package is ideal for all educational spaces including K-12 classrooms, study halls, labs, music rooms and other applications where high-performance audio quality and the integration of multiple media or AV media formats are needed.

Are your students having a hard time hearing you? No problem! Just add a teacher’s wired or wireless microphone to provide crystal clear speech intelligibility while saving 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.

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.

Power Handling: 63 Watts RMS

Frequency Response: 46Hz - 20kHz

Sensitivity: 90 dB @ 2.83V/1M

Impedance: 8 ohms with built-in 70V transformer

Drivers: (3) 5.25" drivers; (1) 3" tweeter

70V Transformer Taps: 7.5W, 15W, 30W, 60W @ 70V; 8 ohm bypass

Dispersion: 360° by 180°

Dimensions: 23.75" (603 mm) x 23.75" (603 mm) x 5" (128.5 mm)

Net Weight: 21.45 lbs (9.73 kg)                                                                                                                                                              

Rated Power Output: 120W

Speaker Outputs: 4 - 16Ω/70V

Frequency Response: 80Hz~16kHz +/- 3dB

S/N Ratio: MIC1, 2, 3: 66dB; AUX1, 2: 85dB

THD: 0.05%

Cooling Mode: Forced fan with variable speed cooling with side entry airflow

Protection: Overheat/Short-circuit

Remote Control: IR remote control with (replaceable) CR2025 3V lithium battery

Dimensions: 1.73" (44 mm) x 19.05" (484 mm) x 11.61" (295 mm)

Weight: 9.92 lbs (4.5 kg)