Monoprice Chromatic Pedal Tuner - Black With Normal & Bypass Outputs, Easy to Tune Your Bass and Guitars - Stage Right Series - Walmart.com
Amazon.com: JOYO Buffer Tuner Pedal Built-in Buffer with Accurate Tuning and LED Screen for Electric Bass Guitar Effects (Buffer Tune JF-19) : Musical Instruments
Amazon.com: D'Addario Guitar Tuner Pedal - Chromatic Tuner for Electric Guitars, Bass Guitars and More - Rugged Aluminum Enclosure - Fast and Accurate - True Bypass with Full Color Display : Musical Instruments