The Turbo Tuner - True Strobe Tuners from Sonic Research

1-800-811-0272

Model ST-300 Stomp Box Strobe Tuner

Model ST-300 Mini Stomp Box Strobe Tuner

• A True Strobe Tuner in a Stompbox Format

• Super bright LED display readable in direct sunlight

• Pop-Free 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

• $139.99

• Made in USA

No longer in production. We have stopped USA production. The full size Turbo Tuner will be back around March of 2026.

• A True Strobe Tuner in a Mini Stompbox Format

• Super bright LED display readable in direct sunlight

• Pop-Free 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

• $139.99

• Made in USA

In Stock For Immediate Delivery

SUPPLIES ARE LIMITED. We are ending our USA production. The Turbo Tuner will be back around March of 2026 but will no longer be made in the USA.

NOTE: The ST-300 Mini requires a 9-volt power supply. There simply isn't room in the pedal enclosure for a battery.