Gym Sound System with Octasound SP840A Central Speaker and Alesis MultiMix 10 Rackmount Mixer
Part # GMSS-OSSP840A1
Model # GMSS-OSSP840A1

This Gym system has been engineered for performance, versatility and durability. The KDM SP840A tuned port enclosure contains a highly efficient 15" woofer matched to four compression horns and drivers.

Availability: In Stock and Ready to Ship!



This Gym system has been engineered for performance, versatility and durability. The KDM SP840A tuned port enclosure contains a highly efficient 15" woofer matched to four compression horns and drivers.

Our engineers can design a turnkey system to fit your needs and budget. All of our systems are comprised of world-class products and brands that meet the demanding needs of indoor and outdoor sports environments. Perfect for play-by-play announcements where vocal clarity and even coverage is essential. It is also great for the playback of high output music entertainment. Get a complete system including all major components, connectors, cables and accessories. Free design, installation consultation and technical phone support provided.

The Octasound KDM SP840A is a full fidelity (30 Hz to 20 kHz) Central Speaker System. The KDM SP840A tuned port enclosure contains a highly efficient 15” woofer matched to four compression horns and drivers. The frequency spectrum of the woofer and horns is determined by an internal crossover network that is optimized to maximize performance.

The MultiMix 10 Wireless is a 10-channel, rack-mount mixer that is well suited to smaller clubs and venues, houses of worship, and traveling systems. Channels 1-4 are mono and offer both XLR mic inputs and balanced 1/4" inputs.

The Crown XLS 1002 is ultra-efficient with Crown’s patented DriveCore technology and can drive 1100W at 4Ω bridged with tons of headroom guaranteeing a clean, undistorted signal straight to your speakers.

The Yamaha CD-S300-RK CD player offer Pure Direct, a special listening mode which ensures the highest quality analog audio output. Pure Direct shuts down the digital audio output with the press of a button on the front panel or the remote control, and turns off the display, thus achieving the lowest possible noise interference.

Audio-Technica’s third-generation 3000 Series wireless systems offer up to 1001 selectable UHF frequencies and new features for clear sound & intuitive operation. We’ve simplified selection of usable frequencies, increased system reliability, and illuminated transmitter screens for clear reads on dark stages. It all adds up to the luxury of rock-solid, richly detailed high-fidelity sound.

The JG Series family of power and light modules includes seven great, economical models that are valuable accessories for any rack-mounted system. The switched outlets on the back of each unit provide power while the discreet components inside provide a basic level of protection to help clean up dirty and dangerous AC voltage. The JG Series products provide this fast acting protection for incoming AC power. The Basic power conditioning includes a fast-acting metal oxide varistor (MOV) installed to clamp voltage spikes running between the incoming line and neutral leads. This level of conditioning also includes a capacitor to reduce the level of AC line interference that may be transmitted between the line and neutral leads.



Octasound SP840A Central Speaker System:

  • Up to 35,000 Square Feet sound coverage
  • Impact Resistant Rugged Polyurethane Elastomer Finish
  • Pucks, Basketballs, Lacrosse Balls, Projectiles - No Problem!
  • 4 Suspension Points - Ready to Hang right out of the box
  • High Humidty Moisture Resistant Low Temperature Design
  • Long Lasting Performance and extremely durable components
  • 4 High Compression Horn Drivers, 1 Sub-Woofer 15"
  • Manufactured in North America using Eminence components

Crown XLS 1002 Power Amplifier:

  • Class D amp with Crown's ultra-efficient DriveCore technology weighs less than 11 lb (5 kg)
  • Higher DSP capabilities: More control; has band pass filter per channel
  • Increased lighting functionality; turn off all LED indicators except clip to reduce distraction in dark venues
  • Selectable input sensitivity; 1.4Vrms and .775Vrms options so that amp can be driven at full power
  • Set sleep mode after specified time without having to press a button
  • Security setting disables menu buttons; menu locked/unlocked by entering combination
  • System reset allows factory settings to be restored
  • Remote power trigger
  • Peakx Limiters provide maximum output while protecting your speakers
  • XLR, 1/4", RCA inputs provide flexibility
  • Integrated PureBand™ Crossover System for better performance and control
  • Efficient forced-air fans prevent excessive thermal buildup

Alesis MultiMix 10 Wireless 10-Channel Rackmount Mixer:

  • Ideal for venues and mobile rigs
  • 4 mono channels with XLR+1/4 ˝ combo inputs, phantom power and TRS inserts
  • 2 stereo-paired channels with 1/4 ˝ inputs
  • Stream sound from any Bluetooth® device with single-button pairing
  • Front panel features a stereo 1/8 ˝ aux input, 1/8 ˝ stereo mix output, plus 2 XLR+1/4 ˝ combo inputs

Yamaha CD-S300-RK Rackmount Single Disc CD Player:

  • Pure Direct
  • USB port on front panel for iPod and other devices.
  • Extremely sophisticated circuitry and layout.
  • iPod compatibility
  • Short signal paths
  • CD-R/RW disc playback compatibility
  • High performance DAC for high conversion
  • MP3 and WMA compatibility
  • Precision with low noise
  • Numerous convenient playback functions
  • Laser pickup floating mechanism

Audio Technica ATW-3000 Series Wireless Microphone System:

  • 996 - 1001 UHF frequencies in one of three UHF frequency ranges
  • Antenna power available for powered antennas & other in-line RF devices
  • Nine pre-coordinated frequency scan groups simplify selection of frequencies in a multi-channel wireless system
  • True Diversity operation reduces dropouts
  • Advanced digital Tone Lock squelch effectively blocks stray RF and communicates transmitter data for receiver display
  • Transmitters offer backlit LCD & dual-color LED
  • Locking battery compartment with secure latch and robust design
  • Ground-lift switch helps eliminate audible hum caused by ground loops
  • Balanced and unbalanced audio output jacks

Pure Resonance Audio UC1S Vocal Microphone:

  • Frequency response tailored for vocals
  • Uniform cardioid (unidirectional) dynamic pickup pattern isolates the main sound source and minimizes background noise
  • Dependable quality, ruggedness and reliability
  • Supplied with break-resistant stand adapter
  • Frequency response: 50 to 16,000 Hz

Atlas Sound DS 7E Desktop Mic Stand:

  • Adjustable Height Desktop Mic Stand 8-13" Ebony Finish
  • Quality Construction Assures Extended Service and Quality Appearance
  • Versatile Stands Fulfill Functional and Aesthetic Miking Requirements for Microphone Placement
  • Weighted Bases Provide Maximum Stability

Juice Goose JG 8LED Power Strip:

  • Two slide out, dimmable LED lights that are brighter and more reliable than incandescent bulbs
  • Each light tube can be rotated to control the direction of the two light beam
  • Lights slide inside the chassis to store conveniently away

Gator GRW-DRW3 Rack Drawer:

  • Cold rolled 16 gauge steel construction
  • Fully enclosed drawer & spring-loaded latches
  • Black powder coated finish
  • Heavy-duty smooth glide drawer slides
  • Lock knock-out, lock and key included
System Includes

System Includes

  • (1) Octasound SP840A Central Speaker System
  • (1) Crown XLS 1002 Power Amplifier
  • (1) Alesis MultiMix 10 Wireless 10 Channel Rackmount Mixer
  • (1) Yamaha CD-S300-RK CD Player Single Disc Rackmount
  • (1) Audio Technica ATW-3141b Wireless Handheld System
  • (1) Audio Technica ATW-3192b Wireless Headset System
  • (1) Pure Resonance Audio UC1S Vocal Microphone
  • (1) Atlas Sound DS 7E Desktop Mic Stand
  • (1) Juice Goose JG 8LED Power Strip
  • (1) SKB 1SKB-R12 12U Roto Rack
  • (1) Gator GRW-DRW3 Rack Drawer

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