LR Baggs Para DI Acoustic Guitar Preamp / DI with 5-band EQ Bundle with TC Electronic PolyTune 3 Polyphonic LED Guitar Tuner Pedal with Buffer | Reverb
Amazon.com: TC Electronic POLYTUNE 3 Ultra-Compact Polyphonic Tuner with Multiple Tuning Modes and Built-In BONAFIDE BUFFER : Musical Instruments