Office Music System Featuring 6 C5 4" 70 Volt Ceiling Speakers & MA120BT 120W Bluetooth Mixer Amplifier
- $ 1,385.99
- $ 1,165.99
Expected To Ship Early August 2025
Office Music System
High-Quality Background Sound System for Business Applications
This office music system is perfect for providing beautiful and clear background music and paging. The C5 70V 4" compact, lightweight, and recessed speaker design seamlessly blends into the ceiling. The 120W MA120BT Bluetooth mixer amplifier provides an abundance of features to accommodate your office needs.
FILL YOUR SPACE
WITH AMAZING SOUND
An Easy to Use
Background Music Solution
RECESSED DESIGN
The C5's compact recessed design with an ultra-thin flat bezel offers a small footprint that seamlessly integrates into any ceiling while maintaining quality audio.
QUICK & EASY TO INSTALL
The threaded screw-on Easy-Mounting ring ensures effortless installation in drop tile ceilings, and an optional tile bridge is available for additional support.
MULTI-FUNCTIONAL
Perfect for foreground and background music, paging, and general-purpose audio in a variety of business applications.

BLUETOOTH-ENABLED
The MA120BT mixer amplifier supports playback from Bluetooth-enabled devices such as PCs, tablets or mobile phones.
CONNECT YOUR EQUIPMENT
The MA120BT is equipped with inputs for wired or wireless microphones, CD/DVD players, projectors, laptops, computers, and other devices.
REMOTE CONTROL
The included remote control manages volume levels, play/pause, skip, and more all from a distance.
BUSINESS OFFICE MUSIC SYSTEM WITH BLUETOOTH
This office music system is perfect for providing beautiful and clear background music and paging. The C5 70V 4" compact, lightweight, and recessed speaker design seamlessly blends into the ceiling. The 120W MA120BT Bluetooth mixer amplifier provides an abundance of features to accommodate your office needs.
OPTION FOR PAGING
This business music system is perfect for playing background music, but it’s not limited to just that! Attach a handheld or push-to-talk paging microphone to use this sound system for paging or making announcements. You can even connect this system to the phone lines and provide MOH (music on hold) for calls.
C5 Micro 4" 70 Volt Ceiling Speaker
The Pure Resonance Audio C5 is a 4" micro 70-volt ceiling mount speaker in a compact, lightweight, and recessed design that seamlessly blends into the ceiling. The C5 achieves a smaller footprint while maintaining robust, high-quality sound ideal for background and foreground music, paging, or sound masking in commercial environments. The intelligently engineered enclosure contains a full-range 4" driver that delivers 90Hz - 20kHz frequency response and 91dB sensitivity. Featuring a built-in 70V/100V transformer with an 8-ohm bypass, this 70V ceiling speaker is perfect for offices, retail stores, restaurants, hospitality venues, reception areas, waiting rooms, and a wide range of business applications. The C5 is quick and easy to install with the included screw-on Easy-Mounting ring.
MA120BT 7-CHANNEL 120W BLUETOOTH MIXER AMPLIFIER
The Pure Resonance Audio MA120BT mixer amplifier with built-in Bluetooth and 70V/100V transformer technology provides a simple to operate and reliable 6-input solution with a built-in Bluetooth media player for wirelessly streaming background music in business applications. Balanced and unbalanced inputs 70V, 100V, 8 ohm, or 4 ohm outputs with a compact size and interface are all combined to make this mixer-amp an easy choice for your business music system.
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.
Includes
(6) Pure Resonance Audio C5 Micro 4" 70 Volt Ceiling Mount Speakers
(6) Pure Resonance Audio C5-TB Tile Bridge for C5 4" Ceiling Speakers
(1) Pure Resonance Audio MA120BT 120W Bluetooth Mixer Amplifier
(1) IR Remote Control
(1) Power Cord
(250') 18/2 Gauge Speaker Wire
Downloads
Specifications
C5 Ceiling Speaker | |
RMS Power Rating | 10 Watt |
Frequency Response | 90Hz - 20kHz |
Low Frequency (-10 dB) | 120Hz - 20kHz |
Impedance | 8 Ohms |
Transformer Taps | 2.5W, 5W, 10W @ 70V 5W, 10W, 20W @ 100V 8 Ohm Bypass |
Transducer | Full-range 4" driver |
Nominal Coverage Angle | 120° x 120° |
180° Coverage Angle | 84dB±3dB |
140° Coverage Angle | 86dB±3dB |
Maximum SPL | 104dB±3dB |
Cutout Size | 6.25" (158.75 mm) |
Easy-Mounting Ring (Dia) | 7.46" (189.4 mm) |
Mounting Depth | 5.24" (132.84 mm) without connector 5.51" (139.83 mm) with connector |
Overall Dimensions (Dia x D) | 6.7" (170.2 mm) x 5.32" (135 mm) without connector 6.7" (170.2 mm) x 5.55" (141 mm) with connector |
Weight | 2.93 lbs (1.33 kg) |
MA120BT Mixer Amplifier | |
Rated Power Output | 120 Watt |
Speaker Outputs | 70V, 100V and 4 Ohms, 8 Ohms or 16 Ohms |
Connectors | Mic 1 input by balanced XLR with phantom power Input 2-3 Mic/Line switchable unbalanced 6.3 mm phone jack Line 1-2 inputs by RCA; Line output by RCA |
Attenuation Microphone | 1-3, line 1-2 and MP3/FM Radio, bass/treble and master |
Input | MIC 1-3 5-8mV, 600Ω; Line, 150-470mV, 10KΩ, unbalanced RCA |
Line Out | 0.775 (0dBV) |
Frequency Response | 60Hz - 15kHz (±3dB) |
S/N Ratio | Line ≥ 85dB, Mic≥ 72dB |
THD | Less than 0.5% |
Protection | Short-circuit, clip, overload and high temp protection |
Power Consumption | 60 Watt |
Power Supply | 115V 60Hz & 24V DC |
Remote Control | IR remote control with (replaceable) CR2025 3V lithium battery |
Dimensions | 3.5" (88 mm) x 11.8" (300 mm) x 10.8" (275 mm) |
Weight | 6.6 lbs (3 kg) |