Tube Engine Vintage Overdrive Features: ● JRC 4558 chip for original tasty tube overdriven tone ● 100% Analog signal path ● True Bypass footswitch for crystal-clear tone ● Aluminum-alloy Die Cast case to withstand wear and tear ● Heavy duty metal footswitch and on/off status LED ● 4 Easy-to-read,readily accessible knobs ● Warm, creamy, organic overdrive tone ● Perfect choice for adding smooth, tube-like overdrive to any clean amp ● Great booster as well, ideal for pushing an overdrive/distortion pedal (or an overdriven amp) over the edge ● Great tone with low noise level ● 2 Band EQ for flexible tone shaping