Pure Resonance Audio 70V Outdoor PA System with 8 S5 Weather-Resistant Speakers and RMA500BT 500W Bluetooth Mixer Amplifier

The Pure Resonance Audio S5 Outdoor PA System delivers powerful, high-quality sound performance in any commercial setting. This complete 70-volt system includes eight 4.5-inch S5 weather-resistant surface mount speakers and a 500-watt RMA500BT rackmount Bluetooth mixer amplifier. Engineered for durability and clarity, this outdoor PA system provides full-range sound for both foreground and background music applications, making it ideal for restaurants, hotels, gyms, schools, and retail spaces that require professional-grade distributed audio.

The S5 speakers feature IP65-rated, UV-protected enclosures and weather-resistant components, ensuring reliable operation in demanding environments. Their polypropylene woofers and silk dome tweeters deliver smooth, balanced sound reproduction with clear highs and defined lows. The RMA500BT amplifier provides 500 watts of output power and includes multiple input channels for microphones, line sources, and Bluetooth streaming devices. With its robust build, advanced protection circuitry, and high-efficiency design, this system ensures consistent, reliable performance for indoor or outdoor use.

This Pure Resonance Audio outdoor sound system combines rugged durability with outstanding sound quality — the perfect solution for businesses needing superior audio coverage in open-air or semi-outdoor environments.

Key Features

• Complete commercial-grade system: Includes eight weather-resistant speakers and a powerful 500W rackmount Bluetooth amplifier.
• All-weather design: IP65-rated enclosures resist dust, moisture, and UV exposure for dependable outdoor performance.
• Professional sound quality: Full-range 4.5-inch woofers and 0.75-inch tweeters deliver clear highs and smooth lows.
• Powerful amplification: 500W mixer amplifier supports multiple inputs and provides excellent sound control.
• Flexible connectivity: Bluetooth, mic, and line-level inputs for streaming music or paging announcements.
• Ideal for commercial use: Great for restaurants, hotels, fitness centers, retail environments, and conference spaces.
• Durable and efficient: Designed for continuous use with advanced overheat and short-circuit protection.

Technical Specifications

S5 4.5-Inch Weather-Resistant Surface Mount Speaker

• RMS Power Rating: 40W
• Frequency Response: 90Hz - 16kHz
• Sensitivity (1W/1M): 92dB
• Impedance: 8 Ohms
• Transformer Taps (70V): 2.5W, 5W, 10W, 20W, 40W
• Transformer Taps (100V): 5W, 10W, 20W, 40W
• Bypass: 8 Ohm
• Woofer: 4.5-inch Polypropylene (PP) cone with rubber surround
• Tweeter: 0.75-inch Silk membrane dome
• Protection: Water-resistant IP65
• Material: ABS enclosure with UV protection and metal grill
• Dimensions (H x W x D): 9.45 in x 5.71 in x 5.63 in (240 mm x 145 mm x 143 mm) without bracket
• With Bracket: 9.45 in x 5.71 in x 7.48 in (240 mm x 145 mm x 190 mm)
• Weight: 4.85 lb (2.2 kg) each

RMA500BT 500W Bluetooth Mixer Amplifier

• Rated Power Output: 500W
• Speaker Outputs: 4 - 16Ω / 70V
• Input Sensitivity: MIC: 5mV ±1mV; LINE: 350mV ±20mV; AUX: 350mV ±20mV; EMC: 775mV ±40mV
• Frequency Response: 50Hz - 16kHz ±3dB
• Tone Controls: Low ±10dB at 100Hz / High ±10dB at 10kHz
• S/N Ratio: MIC1-3: 66dB; AUX1-2: 85dB
• THD: 0.05%
• Cooling Mode: Forced fan with variable speed and side-entry airflow
• Protection: Overheat / Short-circuit
• Voltage: 110 - 120V, 60Hz
• Power Consumption: 650W
• Remote Control: IR remote with replaceable CR2025 3V lithium battery
• Dimensions (H x W x D): 1.73 in x 19.05 in x 11.61 in (44 mm x 484 mm x 295 mm)
• Weight: 13 lb (5.9 kg)

What’s in the Box

• x8 Pure Resonance Audio S5 4.5-Inch 70V Weather-Resistant Surface Mount Speakers
• x1 Pure Resonance Audio RMA500BT 500W Bluetooth Mixer Amplifier
• x1 IR Remote Control
• x1 Power Cord
• x1 500 ft Roll of 18/2 Gauge Aquaseal Speaker Wire