Pure Resonance Audio RMA120BT 5-Channel 120W Rack Mount Mixer Amplifier with Bluetooth

The Pure Resonance Audio RMA120BT is a slim 1U rack-mount mixer amplifier designed for commercial audio systems requiring flexible inputs, Bluetooth media streaming, and 70 Volt or low impedance speaker output. With a built-in MP3/USB/TF card media player, FM tuner and Bluetooth connectivity, this unit simplifies audio streaming and distribution in offices, schools, retail and hospitality environments.

This amplifier features five channels including four microphone/line inputs and two auxiliary inputs, plus one emergency priority input for safety compliance. It provides versatile speaker outputs via a 70 Volt or 4-16 Ohm selector switch, posing as an all-in-one solution for distributed audio systems, paging and background music applications.

Engineered for reliability, the RMA120BT uses forced-air cooling and Class H amplification in a lightweight chassis. Front panel controls allow quick access to volume, bass, treble and master settings, while rear connections support remote muting, zone distribution and audio linking for scalable install layouts.

Key Features

• 120 W Output Power: Delivers full rated power in a compact 1U rack design covering small to medium audio zones.
• Five Channel Input Design: Four mic/line inputs plus two aux inputs and one emergency priority channel.
• Bluetooth and Media Playback: Built-in media player supports Bluetooth, USB thumb drive and TF card as sources.
• Speaker Output Flexibility: Supports dual mode output of 70 Volt or 4-16 Ohm for commercial and low impedance speaker systems.
• Compact and Install Friendly: 19 inch rack width, shallow depth and professional controls suitable for equipment racks and audio closets.

Technical Specifications

• Rated Power Output: 120 Watts
• Speaker Outputs: 70 Volt or 4-16 Ohm selectable
• Frequency Response: 80 Hz - 16 kHz (±3 dB)
• Signal to Noise Ratio: Mic channels 66 dB; Aux channels 85 dB
• Total Harmonic Distortion: ≤ 0.05 % at 1 kHz, 1/3 rated power
• Power Consumption: 160 W (max)
• Cooling: Forced fan cooling system
• Dimensions (H × W × D): 1.73 × 19.05 × 12.40 Inches
• Weight: 8.82 lbs (4 kg)