Pure Resonance Audio RMA500BT 5-Channel 500W Rack Mount Mixer Amplifier with Bluetooth

The Pure Resonance Audio RMA500BT is a high-performance 5-channel rack-mount mixer amplifier that delivers 500 watts of continuous Class D power for commercial and installation audio systems. With built-in Bluetooth, USB/TF playback and FM tuner support, it provides flexible media integration and strong amplification in a compact 1-RU chassis.

This mixer amplifier supports 70V and 4-16 Ω speaker outputs for distributed or low-impedance speaker systems and includes four mic/line inputs, two auxiliary channels, and one emergency priority input. Its forced-air fan cooling, protection circuits and remote control support make it a dependable choice for schools, retail, hospitality, office, and paging systems.

Designed for flexible installation and reliable operation, the RMA500BT features front-panel indicators for signal, clip and protection, a tone control section for bass and treble adjustment, and simple one-rack-unit height mounting. It brings professional features into a streamlined form factor for installers and integrators alike.

Key Features

• 500W Output Power: Delivers full rated power for demanding commercial audio zones.
• Five Channel Mixer: Four mic/line inputs plus aux media channels and emergency priority input for critical announcements.
• Bluetooth & Media Playback: Stream audio wirelessly or use front-panel USB/TF card playback and FM tuner.
• Flexible Speaker Formats: Supports both 70V distributed systems and 4-16 Ω low-impedance loads.
• Install-Ready Rack Module: Slim 1-RU height design with fan cooling and remote IR control for professional installations.

Technical Specifications

• Rated Power Output: 500 Watts
• Speaker Outputs: 70V or 4-16 Ohms (selectable)
• Input Sources: MIC1-4, AUX1-2, Emergency channel
• Media Support: Bluetooth streaming, USB thumb drive, TF card, FM tuner
• Frequency Response: 50 Hz - 16 kHz (+/-3 dB)
• Signal-to-Noise Ratio: MIC: ~66 dB; AUX: ~80 dB
• Total Harmonic Distortion: ≤ 0.05 % at 1 kHz
• Power Consumption: 650W (max)
• Cooling: Forced-air fan front-to-rear
• Dimensions (H x W x D): 1.73 x 19.05 x 10.24 Inches
• Weight: 11.50 lbs (5.2 kg)