Item #1577475 Model #ATLAS

GAMMA Atlas Boosted Overdrive Effects Pedal Standard


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A tube amp-style overdrive pedal with a Boost switch.

The GAMMA Series Atlas Boosted Overdrive from Acoustic Control Corporation allows you to add nuanced, tube amp-style overdrive to your guitar sound palette. It comes with classic Level, Tone and Drive controls, plus a Boost switch that pushes low frequencies and adds more high-end bite to the drive sound. This distortion preserves your dynamics and articulation, and is nicely responsive to volume, tone and pickup adjustments you make on your guitar. The ATLAS Boosted Overdrive features a road-ready, classic, full-sized metal chassis with metal knobs, and operates from either a 9-volt battery, or 9-volt DC power supply (batteries and DC power supply not included)

Carefully Crafted for Great Sound 
GAMMA’s crafted blend of carefully selected components and expertly engineered circuitry is the key to this pedal’s dynamic, versatile sound and trouble-free operation. Transparent buffered bypass ensures trouble-free and consistent operation in any setup, while maintaining the clarity and integrity of your guitar’s signal. 

GAMMA Series: Collect ’Em All! 
The GAMMA pedal series offers a choice of reverb, echo, chorus and a range of dynamic and versatile distortions. Every model follows the same approach of high-quality construction, metal flake paint finishes and classically simple operation, to deliver essential effects sound for electric guitarists.
  • Power Input Compatibility: 9V DC (Center Negative) 
  • Power Draw: 15mA 
  • Battery Compatibility: 9V (Alkaline recommended) 
  • Battery Life: 50-hour run time 
  • Input: 1/4" instrument level input 
  • Input Impedance: 650 kohms 
  • Output: 1/4" instrument level output 
  • Output Impedance: 1 kohms 
  • Product Dimensions (DxWxH): 4.59" x 2.75" x 2.19"
  • Product Weight: .55 lb. (8.8 oz.)


  • Tube amp-style overdrive that preserves dynamics, articulation and guitar character 
  • Classic Level, Tone and Drive controls, plus a Boost switch enhances low frequencies, and adds more high-end bite to the drive sound 
  • All-metal chassis and knobs and a road-ready design 
  • Operates from a 9V battery or 9V DC adapter (battery and DC supply not included) 
  • Mono audio input and output, with buffered bypass for consistent tone in any setup

WARNING: This product can expose you to chemicals including Acrylamide, which is known to the State of California to cause cancer, and to cause birth defects or other reproductive harm. For more information go to