Pure Resonance Audio High School Gym Sound System with (6) S12 12-Inch All-Weather Speakers, MX9 Mixer, (2) LA21000 Power Amplifiers, and WMS1-HH Wireless Handheld Microphone

This high school gym sound system delivers exceptional clarity and powerful audio coverage for a wide range of events, including assemblies, sports games, pep rallies, graduation ceremonies, talent shows, and school performances. Featuring six high-output 12-inch all-weather loudspeakers, this system ensures every announcement and music track is heard clearly throughout the entire gymnasium.

The MX9 rackmount mixer provides nine audio channels, Bluetooth connectivity, and built-in digital effects for enhanced versatility and ease of use. Two 1000W power amplifiers supply strong and consistent amplification, while the WMS1-HH wireless handheld microphone system offers professional-grade voice reproduction with excellent mobility. This complete solution delivers the reliability, performance, and flexibility needed for any large school event.

Key Features

• Six High-Output Speakers: 12" full-range all-weather loudspeakers provide wide 90° × 90° coverage.
• Weatherproof Construction: IP66-rated enclosures withstand demanding indoor and outdoor conditions.
• 9-Channel Mixer: MX9 mixer includes Bluetooth, multiple mic and line inputs, and 24-bit DSP effects.
• Dual Power Amplifiers: Two LA21000 amplifiers deliver up to 2000W bridged output each.
• Wireless Mic Mobility: WMS1-HH handheld microphone system provides up to 328 ft of operating range.
• Complete Installation Kit: Includes wall brackets, M8 eyebolts, XLR cables, NL4FX adapters, and 1000 ft of speaker wire.

Technical Specifications

S12 All-Weather Stadium Speakers

• Power Rating: 300W RMS / 600W Peak
• Frequency Response: 70Hz – 20kHz (±3 dB)
• Sensitivity: 105 dB (1W/1m)
• Max SPL: 120 dB
• Dispersion: 90° × 90°
• Impedance: 8 Ohms
• Transformer Taps: 25W–300W (70V), 37W–300W (100V)
• Woofer: 12" Paper Cone, 3" Voice Coil
• Tweeter: 1.5" Thermoplastic
• Enclosure: Fiber-Reinforced Plastic & Stainless Steel
• Protection Rating: IP66 Weatherproof
• Connection: Screw Terminal
• Mount: Wall Mount Bracket & M8 Eyebolt
• Dimensions (H × W × D): 14.76" × 15.55" × 17.13"
• Weight: 44.75 lbs each

MX9 Rackmount Mixer

• Inputs: (7) XLR Mic, (7) ¼" TRS Line, (7) TRS Inserts
• Outputs: XLR L/R, ¼" TRS L/R, ¼" AUX Out, ¼" FX Out, ¼" Headphone Out
• Effects: 24-bit DSP Effects Processor
• Phantom Power: +48V Option (Ch 1–7)
• Frequency Response: 20Hz – 20kHz (±3 dB)
• Distortion: <0.003%
• Power: Built-in Switching Power Adapter (110–220V)
• Dimensions (H × W × D): 5.51" × 19" × 9.45"
• Weight: 8.82 lbs

LA21000 Power Amplifiers (x2)

• Output Power: 2×700W @ 8Ω; 2×1000W @ 4Ω; 2000W Bridged @ 8Ω
• Frequency Response: 20Hz – 20kHz (±1 dB)
• Distortion: ≤0.01%
• S/N Ratio: ≥102 dB
• Input Impedance: 10kΩ Unbalanced / 20kΩ Balanced
• Cooling: Fan Cooling
• Protection: Over-Voltage, Under-Voltage, Over-Current, DC, Short Circuit
• Dimensions (H × W × D): 1.73" × 19.06" × 10.04"
• Weight: 11.24 lbs each

WMS1-HH Wireless Handheld Microphone System

• RF Range: 540–590 MHz
• Frequency Response: 20Hz – 20kHz (±3 dB)
• Operating Range: Up to 328 ft (100 m)
• Receiver Dimensions: 1.72" × 8.35" × 8.43"
• Receiver Weight: 2.91 lbs
• Microphone Dimensions: 9.65" × 1.54"
• Microphone Weight: 0.88 lbs

What's in the Box

• x6 S12 All-Weather Loudspeakers
• x6 Wall Mounting Brackets
• x6 M8 Eyebolts
• x1 MX9 9-Channel Mixer
• x1 MX9 Power Cord
• x2 LA21000 Power Amplifiers
• x2 LA21000 Power Cords
• x4 NL4FX Adapters
• x1 WMS1-HH Wireless Microphone System
• x1 Handheld Wireless Microphone
• x1 Wireless Receiver
• x1 Microphone Clip
• x1 Power Supply
• x1 ¼" TS to ¼" TS Cable (4 ft)
• x1 Rack Mount Bracket Set
• x2 External Antenna Bases (60")
• x2 BNC Antennas
• x1 6 ft XLR Cable
• x4 3 ft XLR Cables
• 1000 ft × 12/2 Gauge Speaker Wire