For your consideration, Garrett Park Guitars presents the Electro-Harmonix Hot Wax.
Awesome on guitar and bass, the Hot Wax fuses our Hot Tubes and Crayon pedals into one powerful dual-overdrive. Use each individually or stack them with the Crayon driving the Hot Tubes. Master EQ and Blend controls provide the tonal flexibility power players demand. The Hot Wax is the next evolution in inspired overdrives!
-Combines the Crayon full range overdrive and the Hot Tubes, a reissue of the classic 1970s CMOS overdrive.
-Use the Crayon or Hot Tubes alone or stack them with the Crayon driving the Hot Tubes
-Sounds great on guitar and bass
-Blend control lets you blend in your dry signal which is especially useful on bass guitar
-Master EQ section features Bass and Treble for increased tonal control and flexibility
-Quiet pop-free foot switching
-Comes with a standard EHX 9.6DC200mA PSU