In Stock. 45 Day Lowest Price - 100% Satisfaction Guarantee. From vintage to modern, Tech 21's Trademark 60 offers the industry's most desirable tube amp sounds, and provides the flexibility to create your own signature sounds as well. This 60-watt combo guitar amplifier has 2 channels. The Boost function expands the capability of the two channels by increasing each of their output levels up to 9dB, providing 4 footstwitchable sound options.