ZVEX Effects Box of Rocks VerticalTHE BOX OF ROCK (TM) IS Z. VEX EFFECT'S FIRST "DISTORTION" PEDAL, HIGHLY SPECIALIZED TO SIMULATE THE "EVERYTHING ON 10" SOUND OF A CLASSIC MARSHALL JTM45 NON MASTER VOLUME AMPLIFIER. You may use the Box of Rock effectively with many different amplifiers, but to get the sound I heard when I designed it, try it through a Marshall at least once. You may use your guitar's volume control to adjust for the exact amount of distortion you need, all the way
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