The Ernie Ball Expression Overdrive delivers everything from a hint of natural tube-amp-like overdrive and rhythm crunch to searing lead tones. It features settings for drive, boost and tone, with a foot-sweepable overdrive control, making it effortless to go from clean to roaring all-out growl and everything in between.
• Mono In/Mono Out
• 9V In
• Overdrive adjustment
• Tone adjustment
• Boost level adjustment
• Foot sweep heel down - original signal (no effect)
• Foot sweep toe down - overdrive and boost level (maximum effect)