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Atlona® Black Stereo/Mono Audio Amplifier
Atlona® Black Stereo/Mono Audio Amplifier 0
Atlona® Black Stereo/Mono Audio Amplifier 1
Atlona® Black Stereo/Mono Audio Amplifier 2
Atlona® Black Stereo/Mono Audio Amplifier 3
Atlona® Black Stereo/Mono Audio Amplifier 4

Atlona® Black Stereo/Mono Audio Amplifier

Model #: AT-PA100-G2
At a Glance
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.
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Get to know this product.

  • 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
  • Infrared control is simple with the AT-PA1-IR-G2.

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 Ports2 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 Ports1 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)
Weight0.66lbs or 0.3kg
Power consumption3.6W
Rated Output20 W x 2; 40 W x 1 (Bridged operation)
Frequency Range20Hz to 20KHz
Signal/Noise Ratio80dB (at max output)
Total Harmonic Distortion1% (1KHz), 0.3% (20KHz) — at nominal levels
Input ImpedanceInput 1&2: >10KΩ
MIC Input Impedance48V: 35KΩ, MIC: 10KΩ, LINE: 75KΩ
Output Impedance3.5mm 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 Delay1ms

Misc. Specs

Depth (in.)3.43
Height (in.)1.5
Impedance10 ohms
Width (in.)3.78
Analog Audio(RCA) Input2
Color Finish NameBlack
Product Weight (lbs.)1
WarningProposition 65 Warning for California Residents