TC Electronic POLYTUNE 3 Ultra-Compact Polyphonic Tuner with Multiple Tuning Modes and Built-In BONAFIDE BUFFER, Compatible with PC and Mac : Amazon.co.uk: Musical Instruments & DJ
TC Electronic PolyTune Review | AF's Weblog
TC Electronic PolyTune review | MusicRadar
TC Electronic PolyTune 3 Tuner Pedal at Gear4music
Rent tc electronic Polytune 3 noir Tuner Pedal in London (rent for £6.00 / day, £3.43 / week)