Background Music Sound System with 16 Pendant Speakers and 240W Rack Mount Bluetooth Mixer Amplifier

Inside the Design

This commercial background music sound system is designed to deliver clear, evenly distributed audio throughout open-architecture office spaces, lobbies, foyers, hallways, and auxiliary areas. Featuring sixteen Pure Resonance Audio C3 3" micro ceiling speakers paired with pendant mount cylinders, this system blends seamlessly into open plenum and exposed structure ceilings while providing exceptional vocal clarity and high-quality music reproduction. The upgraded RMA240BT 240W mixer amplifier provides ample power for larger office environments, offering reliable performance for background music, paging, Music on Hold, and integrated emergency notifications. With Bluetooth connectivity and multiple input options, this system provides a versatile and user-friendly audio solution for modern business environments.

Sound System Features:

• Ideal for exposed structure or open-architecture ceilings where a sleek, contemporary pendant design complements modern interiors
• Simple installation: connect the wire and safety cable combo to the C3 speaker, thread through the pendant cylinder, and twist the speaker into place
• Down-firing 3" driver provides wide, evenly distributed coverage—sixteen speakers cover approximately 2400 sq ft
• Bluetooth connectivity for streaming music from any compatible device, along with USB, SD card, and FM radio playback options
• The high-efficiency 240W RMA240BT mixer amplifier is engineered for long-hour performance with forced-air cooling
• Emergency input with priority override ensures that emergency notifications are heard clearly throughout the space

About the System Components

Pure Resonance Audio C3 Micro Ceiling Speakers & Pendant Mount Cylinders

The Pure Resonance Audio C3 is a compact 3" micro ceiling speaker designed to deliver exceptional clarity and full-range sound in commercial environments. When paired with the pendant mount cylinders, these speakers are ideal for open-architecture or exposed-ceiling spaces, offering a clean and modern aesthetic. The down-firing design enhances sound dispersion, providing wide and consistent coverage. Lightweight, easy to install, and visually unobtrusive, the C3 system delivers premium audio in a sleek, architecturally friendly package.

Pure Resonance Audio RMA240BT Mixer Amplifier

The RMA240BT is a 240W commercial rack-mount mixer amplifier designed for reliable 24/7 operation in business environments. It features built-in Bluetooth for wireless music streaming, an SD/USB MP3 player, FM tuner, multiple input channels, and an IR remote for convenient control. As a 4-ohm/70V amplifier, it integrates seamlessly into distributed audio applications. The emergency input with priority override ensures paging and emergency alerts take precedence over all other audio—an essential feature for office and corporate facilities.

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.

System & Component Videos

Pure Resonance Audio C3 3" Micro Ceiling Speaker

• Compact, lightweight design with a minimal footprint while delivering powerful, high-quality sound
• Sleek, modern appearance that blends seamlessly into any ceiling environment
• Power tap transformer switch for selectable 8Ω or 70V/100V operation for flexible commercial use
• Tap settings:
  • 70V: 8Ω, 1.5W, 3W, 5W
  • 100V: 8Ω, 3W, 6W, 10W
• Quick and easy installation with threaded mounting ring
• Ideal for background music in offices, retail spaces, restaurants, hotels, foyers, and auxiliary areas

Pure Resonance Audio C3 Pendant Speaker Cover Kit with Wire and Safety Cable

• Sleek, modern design that enhances aesthetics in exposed-structure or open-plenum ceiling environments
• Simple installation—C3 ceiling speaker twists directly into the pendant cylinder
• Perfect for open-architecture spaces with high or exposed ceilings
• Includes 12 ft of 20-gauge 2-conductor speaker cable with:
  • Integrated multi-strand steel stress-relief safety cable
  • Loop nut cinch for secure and efficient installation

Pure Resonance Audio RMA240BT 5-Channel 240W Commercial Rack Mount Mixer Amplifier with Bluetooth

• High-efficiency, lightweight 1RU chassis engineered for commercial reliability
• Built-in MP3 media player with USB, TF, Bluetooth, and FM tuner functionality
• Features 1 emergency channel input, 2 AUX inputs, and 4 MIC inputs for versatile system integration
• Bass and treble tone controls for precise audio customization
• Level, overload, and protection indicators provide short-circuit, overload, and overheating protection
• Advanced high-performance amplifier circuitry ensures clean, stable output
• Compatible with 4–16Ω and 70V speaker systems
• Delivers a powerful 240W rated output suitable for larger distributed audio applications
• Forced-air cooling system adjusts fan speed based on temperature for long-duration operation
• Includes IR remote control for convenient system management

• (16) Pure Resonance Audio C3 3" Micro Ceiling Speakers
• (16) Pure Resonance Audio Pendant Mount Cylinders
• (16) Speaker Wires with Integrated Safety Cables and Cinch
• (1) Pure Resonance Audio RMA240BT 5-Channel 240W Bluetooth Rack Mount Mixer Amplifier
• (1) IR Remote Control
• (1) Power Cord
• (500') West Penn 224 18/2 Non-Plenum Audio Speaker Wire - Gray