Planet Waves Equinox Rechargeable Guitar Tuner Size_08" BOOST switch increases output as

BOOST switch increases output as set by the VOLUME knob

AC adaptor

For maximumresonance control place one damper pad at 12 o'clock or 6 o'clock

A classic shape that's excellent for all musical styles and genres

Le Lead and Le Bass

Planet Waves Equinox Rechargeable Guitar Tuner Size_08" BOOST switch increases output asUsing a highly sensitive piezo sensor and large multi color display, the USB Rechargeable Equinox Headstock Tuner allows you to tune easily and accurately in noisy and dimly lit environments where many other tuners fail. The tuner features a pivoting display and Micro USB port for charging. DAddario's innovative tuner designs feature intuitive interfaces, easy to read displays, and provide exceptional tuning accuracy.