The TC Electronic Polytune is the new kid on the block in pedal tuner technology. Featuring a patented polychromatic tuning circuit, the TC Electronic Polytune eliminates the need to go string to string while tuning.
Kick your playing into high gear with the TC Electronic Spark Mini Booster, a stompbox-wonder for the initiated that features a completely clean boost with some serious tone enhancement under the hood once you really start cranking things.
Your Channel 2 has two knobs, one controlling Master Volume and the other controlling Gain, which sweeps from unity to +24dB. Connect a music equipment power supply of 9VDC, center negative, to the power jack for use.