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GA5100    5-Channel Commercial 100 Watt Mixer/Amplifier


The GA5100 rack-mountable 2 zone public address amplifiers offer users with an easy and convenient solution for public announcement, relay and other commercial applications. Input is achieved via three combo jacks for microphones plus two line-level input channels. Line input 1 accepts RCA and 1/4″ connectors while line 2 accepts RCA and 1/8″ mini-stereo jacks. Onboard USB playback allows users to play audio directly from USB flash drives, while built-in chime alert and announcement tones enable for quick and easy emergency talkback. Offering 100 Watts split between the 4 ohm output and two zones, the GA5100 are the most flexible yet powerful public address amplifiers available in today’s commercial/installation pro audio market.


  • 100 Watt (RMS) of power at 4 ohms, 100V
  • 3 microphone, 2 line input channels
  • Microphone input via combo jacks
  • Line 1 input offers stereo RCA and 1/4” TRS
  • Line 2 input offers stereo RCA and mini-stereo
  • Screw terminal speaker output connectors
  • Built-in echo effect with volume control
  • Stereo RCA tape in / line out connectors
  • Alert chimes and ‘announce’ tones built-in
  • Battery connectivity for emergencies in power-outages
  • 6-segment LED VU meter on output
  • Front panel system EQ with treble and bass controls
  • Individual zone output select buttons
  • Playback of MP3 or WAV audio files directly
  • 1/4” TRS link inputs and outputs
  • Removable rack ears included
  • 2 standard rack units high


Power Amplifier (Watts) RMS
(at 4 Ohms) THD <0.5%  100W
(at 8 Ohms) THD <0.5% 60W
Frequency Response 50Hz – 18KHz
Speaker Outputs
Low Impedance (8Ω / 4Ω) European block (screw type)
100V Matching Output Screw type (two-zone)
Mic Input 3 x combo jacks
Line Input 2 x RCA pairs
1 x 1/4” TRS + 1 x Mini Phone Jack
Tape In ST RCA w/ Volume control
Link in / Link out Yes (via 1/4” Phone jack)
USB Player USB 2.0 with LCD Display
Compatible File Types .WAV / .MP3
Line Output 1 x Stereo RCA, Link out via 1/4” phone jack
Master Section Volume with Bass and Treble control
Level Indicator 5 x LED
Alert Chime One button
Announce One button
Echo / Effect Echo Level control
Speaker Out Selector Zone 1 and Zone 2 buttons
24V Battery Connector Yes
Dimensions (W x H x D) 437x 89 x 260 mm (17.2” x 3.4” x 10.2”)


Click here to download Asystems GA 5100 mixer amplifier brochure

Click here to download Asystems GA 5100 user manual

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