This hotel speaker system combines the 360° crystal-clear audio coverage of the SD4 with the power of the RMA350BT. The  2'x2' SD4 SuperDispersion ceiling speaker arrays with 360° of crystal-clear audio coverage, featuring four 6.5" very fast transient response aluminum-woofer drivers that are very powerful and stable. Also included is our RMA350BT 350 watt Bluetooth rack mount mixer amplifier featuring a 4-16Ω/70V distributed audio speaker output, 2 AUX inputs, 4 MIC inputs, and 1 emergency channel input. With a slim, space-saving design, the mixer amplifier only takes up 1 rack unit. The RMA also comes with an IR remote to control the unit from a distance. This hospitality audio solution is ideal for hotel lobbies, conference rooms, banquet halls, dining areas, and other multipurpose spaces in hotels where top quality 360° audio coverage is needed.

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 RMA350BT 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 SD4 SuperDispersion® omnidirectional drop tile ceiling speaker array takes speaker performance to a new level by providing 360° of powerful hemispheric audio coverage. A single SD4 speaker provides 30' x 30' of audio coverage. Its high-performance sound and operational versatility make it an ideal solution for speech, AV audio, and music for conference room applications. Each SD4 array can replace multiple conventional ceiling mounted speakers, simplifying and reducing installation time and cost while optimizing performance.
 

The RMA350BT 5-channel Bluetooth commercial rack mount mixer amplifier provides 350 watts of high-performance Class D power. You can connect your Bluetooth device to the RMA350BT'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 long working hours in the office. The Pure Resonance Audio RMA350BT 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: 160W RMS

Frequency Response: 45 Hz - 20 kHz

Sensitivity: 92 dB (half space)

Impedance: 8 Ohms with 70V transformer (Built-in)

Woofers: 6.5" Aluminum

70 Volt Transformer Taps: 4W, 8W, 16W, 32W, 64W @ 70V; 8 Ohm Bypass

Dispersion: 360° by 180°

Driver Complement: Array of four full-range 6.5" drivers

Backbox Depth: 2.8" (71.12 mm)

Dimensions: 23.8" (603 mm) x 23.8" (603 mm) x 5.8" (146 mm)

Weight: 25 lbs (11.34 kg)                                                                                                                                                              

Rated Power Output: 350W

Speaker Outputs: 4-16Ω / 70V

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

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

THD: 0.05%

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

Protection Mode: Overheat/Short-circuit

Power Consumption: 500W

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)