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Item #: ATPA100G2
MSRP: $230.00

Stereo / Mono Power Amplifier – 40 Watts



  • Energy efficient
  • Use any microphone
  • Line level inputs
  • Independent adjustment of microphone and line level inputs
  • Microphone line level mixing
  • RS-232 control
  • Audio output format switch


Atlona Stereo/Mono Audio Amplifier

Small, energy efficient, and affordable, the Atlona Stereo/Mono Audio Amplifier fits the needs of many offices, classrooms, and other small systems. Unlike traditional A/B amplifiers, this Class D audio amplifier is energy efficient and easily integrated behind a display or at the projector where space is limited.

Infrared control is simple with the .


Energy efficient

  • Requiring less power, class D amplifiers use an efficient design that reduces size and cost. By removing the need for large heat sinks and power regulators, the PA100-G2 is easy to integrate with a small size that fits into most spaces.

Use any microphone

  • Featuring a balanced 3-pin captive screw connector, it’s easy to attach any mic or line level source
  • 3 position input switch offers settings for 48V provides phantom power for condenser mics, Mic for dynamic and battery-powered mics, and Line for line-level wireless mics

Line level inputs

  • Unbalanced line level inputs are provided on stereo RCA and 3.5mm TRS mini connectors
  • Top-mounted Input Selection Button toggle between the RCA input and 3.5mm audio input

Independent adjustment of microphone and line level inputs

  • Top-mounted selector and adjustment controls allow gain to be matched between microphone and unbalanced line level inputs
  • Ensures proper balance between sources

RS-232 control

  • The AT-PA100-G2 has three control options: RS-232, IR, and Panel Buttons so it can be integrated into any control system
  •  Controllable functions include: Volume (microphone and line input) Bass, or Treble levels

Audio output format switch

  • Use to switch between Stereo, Dual Channel Mono, and Bridged audio outputs


Loop output

  • Loop out to another AT-PA100-G2 or audio amplifier with a 3.5mm stereo audio connector


Award-winning 10 year limited product warranty

  • Ensures long-term product reliability and performance in residential and commercial systems
  • Specify, purchase, and install with confidence



  • Input Ports: 2 x RCA connectors, 1 x 3.5mm Audio, 1 x 3.5mm IR, 1 x Captive Screw MIC, 1 x Captive Screw RS-232
  • Output Ports: 1 x Captive Screw Audio, 1 x 3.5mm Loop Out
  • Dimensions (HxWxD): 1.5 x 3.78 x 3.43 (inch) or 38 x 96 x 87 (mm)
  • Weight: 0.66lbs or 0.3kg
  • Power consumption: 3.6W

Audio Specifications

  • Rated Output:
    • 20 W x 2
    • 40 W x 1 (Bridged operation)
  • Gain: 32dB
  • Frequency Range: 20Hz to 20KHz
  • Signal/Noise Ratio: 80dB (at max output)
  • Total Harmonic Distortion: 1% (1KHz), 0.3% (20KHz) — at nominal levels
  • Input Impedance: Input 1&2: >10KΩ
  • MIC Input Impedance: 48V: 35KΩ, MIC: 10KΩ, LINE: 75KΩ
  • Output Impedance: 3.5mm Loop Out: 50Ω stereo, Speaker out: 4 ~ 8Ω Amplifier
  • Stereo Channel Separation: >75dB from 20Hz to 20KHz
  • Common Mode Rejection Ratio: >70dB from 20Hz to 20KHz
  • MIC Audio Detection Delay: 1ms

Package Includes

  • 1 x AT-PA100-G2
  • 1 x AC Adapter
  • 1 x User Manual



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