Home » Pure Resonance Audio RMA500BT 500W Rack Mount Mixer Amplifier
Pure Resonance Audio RMA500BT 500W Rack Mount Mixer Amplifier
Pure Resonance Audio RMA500BT 500W Rack Mount Mixer Amplifier
Pure Resonance Audio

Pure Resonance Audio RMA500BT 500W Rack Mount Mixer Amplifier

SKU: PRA-RMA500BT
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$999.99

Frequently Asked Questions

The best commercial mixer amplifier depends on whether you need simple music playback, paging, distributed 70V speaker support, or emergency override. For many schools, offices, restaurants, and retail spaces, a strong choice is a rack mount mixer amplifier that combines built-in mixing, amplifier power, multiple audio inputs, and 70V output in one chassis. The Pure Resonance Audio RMA500BT fits that use case well because it provides 500 watts of Class D power, supports both 4 to 16 ohm and 70V speaker systems, and includes practical source options such as Bluetooth, USB, TF card, FM tuner, 2 AUX inputs, and 4 microphone inputs. It also adds an Emergency input that automatically overrides other audio for priority announcements. This type of amplifier is best for buyers who want one central unit for music and paging without needing separate mixer and amplifier components. The main tradeoff is that it is designed for commercial distributed audio rather than live concert mixing or studio production, so buyers needing advanced channel processing should look at more specialized equipment.
For commercial use, the best mixer is usually not a standalone mixer at all, but a mixer amplifier. That is because most business environments need both source control and speaker power in one dependable unit. A good commercial mixer amplifier should support microphone paging, background music, long operating hours, and the speaker format used in the building, especially 70V distributed audio. The Pure Resonance Audio RMA500BT is designed for exactly those environments. It offers 5 channels, 500 watts of Class D amplification, 4 microphone inputs for paging or announcements, 2 AUX inputs for external sources, and built-in Bluetooth, USB, TF card, and FM playback. It also fits in a compact 1U rack space, which is useful in equipment racks with limited room. This style of mixer is ideal for users who need reliable day-to-day audio control in commercial spaces. It is less ideal if your application requires detailed live sound mixing, many simultaneous music inputs, or advanced DSP. For straightforward background music and voice announcements, it covers the core requirements very well.
Yes, if your mixer does not have a built-in power section, you need a separate amplifier to drive passive speakers. In commercial audio, many buyers simplify the system by choosing a mixer amplifier instead of buying a mixer and amplifier separately. The Pure Resonance Audio RMA500BT already combines both functions. It mixes microphones and audio sources, then powers speaker systems with 500 watts of Class D output. It supports both low-impedance 4 to 16 ohm speakers and 70V distributed speaker lines, which is especially useful in buildings with many ceiling or wall speakers spread across multiple rooms. This all-in-one approach benefits schools, offices, restaurants, and retail stores because installation is simpler and there are fewer components to manage. A separate mixer and amplifier setup may still make sense if you need more channels, advanced equalization, or flexible system expansion. But for most commercial paging and background music applications, an integrated mixer amplifier is the more practical and space-efficient choice.
Yes, you can connect a separate amplifier to a mixer, and that is common in larger or more customized sound systems. However, for many commercial installations, a mixer amplifier is the better option because it combines source control and speaker amplification in one unit. The Pure Resonance Audio RMA500BT is built for that integrated approach. It includes microphone and AUX inputs, built-in Bluetooth and media playback, and 500 watts of output power, so there is no need to add a separate amplifier for most standard commercial audio systems. It also offers a pre-output, which can be useful in systems that may need additional signal routing. A standalone mixer plus amplifier setup is usually best when you need more channels, more processing, or future expansion. A mixer amplifier is usually best when you want a cleaner, easier installation for background music, paging, and announcements. For buyers outfitting a school, office, restaurant, or store, an all-in-one rack mount amplifier like this is often the more efficient solution.
A 70V mixer amplifier is usually better for commercial buildings with many speakers spread over long distances. Low-impedance systems, such as 4, 8, or 16 ohm speaker setups, are better suited to shorter cable runs and smaller systems with fewer speakers. The Pure Resonance Audio RMA500BT supports both formats, which makes it flexible. It can run 70V distributed speaker lines for schools, offices, restaurants, and retail spaces where you may have multiple ceiling speakers across different zones or areas. It also supports 4 to 16 ohm speakers if your system uses conventional low-impedance speakers in a smaller space. The advantage of 70V is easier speaker distribution and simpler wiring over longer distances. The tradeoff is that 70V systems are primarily designed for even coverage and speech intelligibility rather than high-end hi-fi listening. If your priority is clear paging and reliable background music across a commercial property, 70V support is often the deciding feature.
A 500 watt commercial mixer amplifier can power a substantial number of speakers, but the exact number depends on whether you are using a 70V distributed system or low-impedance speakers. In a 70V system, you add up the wattage taps of all speakers and keep the total below the amplifier's usable output capacity. In a low-impedance system, the total speaker load must stay within the supported 4 to 16 ohm range. The Pure Resonance Audio RMA500BT provides 500 watts of output and supports both 70V and 4 to 16 ohm speaker connections. That makes it suitable for installations such as retail stores, school hallways, offices, and restaurants where multiple speakers may be needed for even coverage. In practical planning, installers often leave some headroom rather than loading the amplifier to its maximum continuously. This amplifier is best for medium to larger commercial distributed audio systems. The main limitation is that system design still matters, so speaker tap settings, impedance, coverage goals, and announcement volume requirements should all be considered before finalizing the speaker count.
Yes, the Pure Resonance Audio RMA500BT supports several built-in music source options, including Bluetooth streaming, USB drive playback, TF card playback, and a built-in FM tuner. It also includes 2 AUX inputs for external audio sources and 4 microphone inputs for paging or announcements. This versatility is useful in commercial spaces because it allows staff to play music from a phone or tablet over Bluetooth, use stored audio from removable media, or connect fixed external sources without adding extra playback equipment. The included IR remote also makes source and playback control more convenient from a distance. This setup is ideal for businesses that want flexible day-to-day audio without a complicated control system. The tradeoff is that it is meant for practical commercial music playback and paging, not advanced media networking or enterprise audio control platforms. For straightforward background music and voice applications, the built-in source options cover the most common needs.
An emergency priority input is designed to interrupt normal audio and give priority to critical announcements. On the Pure Resonance Audio RMA500BT, the Emergency, or EMC, input automatically overrides the other active audio channels when a signal is present. That allows emergency messages or voice alarm broadcasts to be heard clearly without requiring manual switching. This feature is especially important in schools, offices, public spaces, and commercial facilities where safety announcements must take precedence over background music or regular paging. It helps ensure that important instructions are not masked by other audio sources. Buyers who need integration with emergency notification or voice alarm systems benefit the most from this capability. The key point is that this is a priority override input, not a full fire alarm panel replacement. It is intended to support emergency broadcast functionality within a commercial audio system, making it a valuable feature for safety-conscious installations.
Yes, a 1U rack mount mixer amplifier can be powerful enough for continuous commercial use if it is designed correctly. The slim rack height does not determine output capability by itself. Internal amplifier design, cooling, protection circuits, and output format matter more. The Pure Resonance Audio RMA500BT delivers 500 watts of Class D power in a compact 1U chassis. It is built for long operating hours with forced-air variable-speed cooling and includes protection indicators for overheat and short-circuit conditions. Those features are important in businesses where the audio system may run throughout the day for music, paging, and announcements. This design benefits buyers who need to save rack space without giving up commercial-grade output. The main consideration is ventilation around the unit and proper system loading. A compact chassis still needs adequate airflow and correct speaker matching. For space-conscious commercial racks, a 1U amplifier like this offers a practical balance of power and footprint.
The Pure Resonance Audio RMA500BT is best for buyers who want a single, centralized unit for background music, paging, and announcements in a commercial environment. It makes the most sense for schools, offices, restaurants, retail stores, and similar facilities that need reliable daily audio without the complexity of a multi-component setup. It combines 500 watts of Class D amplification, 4 microphone inputs, 2 AUX inputs, Bluetooth, USB, TF card, FM playback, 70V and 4 to 16 ohm speaker support, and emergency priority override in one 1U rack mount chassis. That means fewer devices to install, less rack space used, and simpler operation for staff. A separate mixer and amplifier may be a better fit if you need advanced mixing controls, many more input channels, or highly customized signal routing. But for most commercial users focused on clear announcements and steady background music, this all-in-one format is more efficient and easier to manage. It is a practical choice when simplicity, compatibility, and commercial functionality are the main priorities.

The Pure Resonance Audio RMA500BT is a 5-channel commercial rack mount mixer amplifier delivering 500 watts of high-performance Class D power. Designed for background music, paging, and announcement applications, it easily handles distributed sound in schools, offices, restaurants, and retail spaces while maintaining a compact 1U form factor.

Equipped with versatile playback options, this unit features built-in Bluetooth streaming, a media player compatible with TF cards and USB drives, and an FM tuner. Comprehensive connectivity includes 4 microphone inputs, 2 AUX inputs, 4-16 ohm or 70V speaker outputs, and an integrated IR remote control for convenient audio management.

Engineered for continuous commercial operation, the amplifier features forced-air variable-speed cooling alongside short-circuit, overload, and overheat protection indicators. A dedicated Emergency (EMC) priority input automatically overrides active audio channels to ensure critical announcements and voice alarm broadcasts are clearly heard.

Key Features

Weight 11.5 lbs
Shipping Weight 13 lbs
UPC 799705295554
Brand Pure Resonance Audio
Model RMA500BT
Product Type Rack Mount Mixer Amplifier
Rated Power Output 500W
Speaker Outputs 4 - 16Ω / 70V
Rack Space 1U
Dimensions 19.05 in W x 12.4 in L x 1.73 in H
Frequency Response 50Hz - 16kHz ±3 dB
Total Harmonic Distortion (THD) 0.05%
Input Sensitivity MIC: 5mV±1mV LINE: 350mV±20mV AUX: 350mV±20mV EMC: 775mV±40mV
Pre-Output AUDIO OUT: 1V±50mV / 100Ω
Signal to Noise Ratio MIC1, 2, 3: 66 dB AUX1, 2: 85 dB
Tone Controls Low Frequency: ±10 dB at 100Hz, High Frequency: ±10 dB at 10kHz
Cooling Mode Forced fan with variable speed cooling with side entry airflow
Protection Overheat / Short-circuit
Voltage 110 - 120V 60Hz
Power Consumption 650W

Highlights

  • COMPACT SIZE: The Pure Resonance Audio RMA500BT is lightweight and features a slim, space-saving design that only takes up 1 rack unit.
  • EMERGENCY INPUT: In the event of an emergency, quickly broadcast information using the Emergency (EMC) input. This input takes priority stopping all other audio transmissions and letting any integrated emergency voice alarm system be heard loud and clear.
  • WORKS LONG HOURS: The forced air-cooling fan helps accommodate the long working hours of commercial business and public address applications.
  • BLUETOOTH: You can connect your Bluetooth device to the RMA500BT's multimedia player and also use a TF card, USB thumb drive, or the built-in FM tuner.
  • POWERFUL: This 5-channel 4 ohm/70 volt Bluetooth commercial rack mount mixer amplifier provides 500 watts of high-performance Class D power.
  • REMOTE CONTROL: The included remote control manages volume levels, play/pause, skip, and more all from a distance.

What's included

(1) RMA500BT Bluetooth Mixer Amplifier
(1) IR Remote Control
(1) Power Cord

Downloads

Frequently asked questions

What audio sources can be played through the RMA500BT?

The amplifier supports Bluetooth streaming, USB flash drives, TF cards, built-in FM tuner, 2 AUX inputs, and 4 microphone inputs.
How much rack space does the amplifier occupy?

The RMA500BT features a slim, space-saving 1U rack-mountable chassis.
How does the emergency priority input function?

When an active signal is sent to the Emergency (EMC) input, all other audio transmissions are automatically overridden so emergency messages and alarms broadcast clearly.
What speaker outputs are supported?

The amplifier supports 4 to 16 ohm low-impedance loads as well as 70V commercial distributed speaker lines.