The Turbo Tuner, True Strobe Tuners from Sonic Research. The LED ring on the Turbo Tuner is a true stroboscope. The LEDs are driven directly by the analog input signal and electronically strobed, showing the actual stroboscopic effect between the input signal and internally generated frequency reference. This gives instant response and extreme accuracy.

• A True Strobe Tuner in a Stompbox Format
• Super bright LED display readable in direct sunlight
• True bypass
• Flexible Output: Muted output with quiet relay switching or signal passthrough (no mute)
• 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
• Dual power jacks
• $129.99
• Made in USA