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Pure Resonance Audio RMA350BT 5-Channel 350W Rack Mount Mixer Amplifier with Bluetooth
The Pure Resonance Audio RMA350BT is a compact rack-mount mixer amplifier designed for commercial audio systems requiring five input channels, Bluetooth streaming, and high output power for distributed speaker networks. This unit combines mixing capability with amplifier performance in one 1U 19-inch chassis for efficient installation in closets, racks and equipment rooms.
With 350 watts of output power and support for 70 Volt or 4-16 Ohm speaker configurations, the RMA350BT allows flexible application in paging, background music, retail, hospitality and education environments. It features four mic/line inputs, two auxiliary media inputs and a dedicated emergency priority channel for critical announcements.
Designed for real-world reliability, the RMA350BT uses forced-air cooling, fault protection, and intuitive controls. The built-in Bluetooth media player lets mobile devices stream audio seamlessly, while rear panel connections support linking and zone expansion. If you need a professional 5-channel hub with high power and integrated amplification, this unit offers a balanced solution.
Key Features
- 350 W Output Power: Full rated continuous power for mid-sized audio zones.
- Five Input Channels: Four mic/line plus auxiliary sources and emergency priority input for flexible operation.
- Bluetooth Streaming: Wireless audio input from mobile devices for immediate media playback.
- 70 V or 4-16 Ohm Output: Switchable output format to match distributed or low-impedance speaker systems.
- 1U Rack Design: Slim 19-inch width chassis allows efficient rack mounting in professional installations.
Technical Specifications
- Rated Power Output: 350 Watts
- Speaker Outputs: 70 Volt or 4-16 Ohm (selectable)
- Frequency Response: Approx. 80 Hz - 16 kHz (+/-3 dB)
- Signal-to-Noise Ratio: Mic channels approx 66 dB; Aux channels approx 85 dB
- THD (Total Harmonic Distortion): Less than 0.05% at 1 kHz (typical)
- Cooling: Forced-air fan ventilation
- Power Supply: 110-120 V AC, 60 Hz
- Dimensions (H × W × D): 1.73 × 19.05 × 11.61 Inches
- Weight: 11.50 lbs (5.2 kg)



