Tech 21...is for the ultimate pro as well as the amateur musician...their product line has more quality than most of the public is aware of...their original overdrive,tech 21 tri-od is unparalled to this date/10/10/2012...for durability...flexibilty...power, and magnificent ease of usage.Buy a mesa boogie amp-buy digital equipment too-but tech 21 is part of the original irreplaceable golden era of overdrive/chorus pedals.

Tech 21...is for the ultimate pro as well as the amateur musician...their product line has more quality than most of the public is aware of...their original overdrive,tech 21 tri-od is unparalled to this date/10/10/2012...for durability...flexibilty...power, and magnificent ease of usage.Buy a mesa boogie amp-buy digital equipment too-but tech 21 is part of the original irreplaceable golden era of overdrive/chorus pedals.