Pure Resonance Audio Office Ceiling Sound System with 8 C5 Ceiling Speakers and RMA120BT 120W Bluetooth Mixer Amplifier

The Pure Resonance Audio Office Ceiling Sound System provides a reliable, high-quality background music solution for professional spaces. Designed for offices, workspaces, retail environments, and other commercial settings, this system combines eight compact 4-inch 70-volt ceiling speakers with a powerful 120-watt Bluetooth mixer amplifier for clear and balanced sound distribution throughout your business.

Despite their small footprint, the C5 ceiling speakers deliver wide coverage and exceptional clarity for background music and paging applications. The RMA120BT amplifier provides 120 watts of Class H power and includes integrated Bluetooth, USB, TF card, and FM tuner playback options, offering versatile connectivity for all your audio sources. Its rackmount design ensures efficient integration into existing commercial systems.

Perfect for small to mid-sized offices or commercial spaces, this complete system allows for easy wireless streaming, simple installation, and dependable day-to-day operation with professional-grade audio performance and durability.

Key Features

• Complete ceiling sound system: Includes eight compact 4-inch ceiling speakers, a 120W Bluetooth mixer amplifier, and all necessary accessories.
• Discreet design: Low-profile speakers blend seamlessly into standard drop ceilings for a clean, modern aesthetic.
• Wireless streaming: Connect and play music from any Bluetooth-enabled smartphone, tablet, or computer.
• Professional performance: Class H amplifier provides efficient, low-noise 120W output with advanced circuit protection.
• Wide coverage: 120° conical dispersion ensures uniform audio across office areas, meeting rooms, and reception spaces.
• Easy installation: Includes ceiling tile bridges, mounting rings, and plug-in Euroblock connections.

Technical Specifications

C5 4-Inch Ceiling Speaker Specifications

• RMS Power Rating: 10W
• Frequency Response: 90 Hz - 20 kHz
• Low Frequency (-10 dB): 120 Hz - 20 kHz
• Impedance: 8 Ohms
• Transformer Taps (70V): 2.5W, 5W, 10W
• Transformer Taps (100V): 5W, 10W, 20W
• 8 Ohm Bypass: Supported
• Transducer: Full-range 4-inch driver
• Coverage Angle: 120° x 120°
• Maximum SPL: 104 dB ±3 dB
• Cutout Size: 6.25 in (159 mm)
• Mounting Depth: 5.24 in (133 mm) without connector, 5.51 in (140 mm) with connector
• Overall Dimensions (Dia x D): 6.7 in x 5.32 in (170 mm x 135 mm) without connector
• Weight: 2.93 lb (1.33 kg) each

RMA120BT 120W Bluetooth Mixer Amplifier Specifications

• Rated Power Output: 120W
• Speaker Outputs: 4-16 Ohm / 70V
• Frequency Response: 80 Hz - 16 kHz (+/-3 dB)
• Signal-to-Noise Ratio: MIC 1/2/3: 66 dB; AUX 1/2: 85 dB
• THD: 0.05%
• Inputs: 4 MIC, 2 AUX, 1 emergency channel input
• Outputs: Line output, 70V speaker terminals
• Media Playback: Bluetooth, USB, TF card, FM tuner
• Cooling Mode: Forced variable-speed fan with side-entry airflow
• Protection: Overheat and short-circuit protection
• Remote Control: IR remote with replaceable CR2025 3V battery
• Dimensions (H x W x D): 1.73 in x 19.05 in x 11.61 in (44 mm x 484 mm x 295 mm)
• Weight: 9.92 lb (4.5 kg)

What’s in the Box

• x8 Pure Resonance Audio C5 4-inch 70V Ceiling Mount Speakers
• x8 Pure Resonance Audio C5-TB Tile Bridges
• x1 Pure Resonance Audio RMA120BT 120W Bluetooth Mixer Amplifier
• x1 IR Remote Control
• x1 Power Cord
• x1 250 ft Roll of 18/2 Gauge Speaker Wire