Sonic Research Sonic Research Model ST-300 Mini Stomp Box Strobe Tuner

Model ST-300 Mini Stomp Box Strobe Tuner A True Strobe Tuner in a Mini Stompbox Format Super bright LED display readable in direct sunlight True bypass Muted output with quiet relay switching Chromatic and guitar/bass modes Fully programmable for alternate tunings and temperaments USB port for ease of customizing Extreme accuracy: ±.02 cents guaranteed Rugged die-cast aluminum case Made in USA User Manual