Pure Resonance Audio RMA500BT and SMG1 Sound Masking Bundle

The Pure Resonance Audio RMA500BT and SMG1 Sound Masking Bundle combines a powerful rack-mount amplifier and professional-grade masking generator to create an all-in-one commercial sound system. Designed for large facilities requiring dependable audio and acoustic privacy, the RMA500BT 500W mixer amplifier and SMG1 generator deliver superior performance for offices, hospitals, schools, and industrial environments.

The RMA500BT provides 500 watts of clean power, multiple mic and line inputs, and Bluetooth streaming, making it ideal for distributed 70V or 4–16 ohm systems. The SMG1 complements this with white, brown, and pink noise generation and adjustable tone control, producing consistent and customizable ambient sound for improved speech privacy and focus.

Together, this bundle offers a reliable, installation-ready solution that simplifies audio distribution and masking integration in professional applications.

Key Features

• High-Power Amplification: 500W output with multiple inputs and 70V/4–16 ohm speaker compatibility.
• Complete Sound Masking System: Includes SMG1 generator with adjustable tone and three noise color options.
• Commercial Reliability: Overheat and short-circuit protection with variable-speed forced cooling fan.
• Professional Connectivity: XLR, RCA, and TRS inputs support microphones, line devices, and noise generators.
• Rack-Mount Design: Compact 1U profile for efficient installation in commercial racks and enclosures.

Technical Specifications

RMA500BT Mixer Amplifier

• Rated Power Output: 500 Watts
• Speaker Outputs: 4–16 Ω or 70V
• Frequency Response: 80 Hz – 16 kHz (±3 dB)
• S/N Ratio: MIC1–3: 66 dB; AUX1–2: 85 dB
• Total Harmonic Distortion (THD): 0.05 %
• Cooling Mode: Forced fan with variable speed and side-entry airflow
• Protection Mode: Overheat and short-circuit protection
• Power Consumption: 650 W
• Remote Control: IR remote control with replaceable CR2025 3V lithium battery
• Dimensions (H × W × D): 1.73 × 19.05 × 11.61 in (44 × 484 × 295 mm)
• Weight: 11.50 lbs (5.22 kg)

SMG1 Sound Masking Generator

• Noise Type: White, Brown, and Pink with tone adjustment
• Outputs: Dual RCA and Balanced ⅛-inch (3.5 mm) TRS
• Material: Aluminum enclosure
• Power Supply: 12 V DC
• Dimensions (H × W × D): 0.87 × 3.54 × 3.74 in (22 × 90 × 84 mm)
• Weight: 0.35 lbs (0.16 kg)
• Shipping Dimensions (H × W × D): 1.5 × 6.15 × 8.63 in (38 × 156 × 219 mm)
• Shipping Weight: 1.0 lb (0.45 kg)