This lecture hall sound system combines 360° of crystal-clear audio coverage from the SD5 speaker with the power and versatility of the RMA240BT mixer amplifier. The amplifier also provides quick and easy Bluetooth connectivity and 240W of high-performance power in a lightweight, space-saving design. With the RMAs forced air-cooling fan, this sound system is ready to work overtime in your lecture hall or and teaching and learning spaces.

Use a smartphone, tablet, laptop or Bluetooth enabled PC to easily stream audio wirelessly to the system from anywhere in the room. Simply press the Mode button on the RMA240BT or remote control until the display indicates "BT", then go to settings in your device and select "PRA-BT" to pair. Once connected you're ready to play and control audio from your Bluetooth device.

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 RMA240BT 5-channel Bluetooth commercial rack mount mixer amplifier provides 240 watts of high-performance Class D power. You can connect your Bluetooth device to the RMA240BT's multimedia player and also use a TF card, USB thumb drive, or the built-in FM tuner. The included remote control manages volume levels, play/pause, skip and more all from a distance. The forced air-cooling fan helps accommodate the long working hours of lecture halls. The Pure Resonance Audio RMA240BT is lightweight and features a slim, space-saving design that allows it to only take up 1 rack unit. This amplifier solution includes a 4-16Ω/70V distributed audio speaker output, 2 AUX inputs, 4 MIC inputs, and 1 emergency channel input.

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: 46 Hz - 20 kHz

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: 240W

Speaker Outputs: 4 - 16Ω/70V

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

THD: 0.05%

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

Protection Mode: Overheat/Short-circuit

Power Consumption: 300W

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

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

Weight: 11.50 lbs (5.22 kg)