The Peterson StroboPlus HD™ is an ultra high-resolution strobe tuner with our largest illuminated display ever featured in a traditional strobe format. Chromatically tune any instrument confidently to the exacting standards that experienced musicians demand or use any of the over 90 exclusive Sweetened Tunings™ that are developed and optimized for your specific instrument. Use the built-in mic, plug in or use a clip-on pickup to tune your instruments quickly with its smooth, real-time display or program your custom tunings using our PetersonConnect™ online utility.
I recently picked this up when I jumped into the world of pedal steel. A standard tuner just won't cut it and the Peterson name has been a long trusted one by many. The Emmons sweetened tuning for E9 pedal steel is worth the price alone. I haven't used it with guitar or mandolin yet but I'm eager to check out the sweetened mandolin tuning preset. This thing is super easy to use and when you register it with Peterson you get discounts on the accessories. (The bracket/swivel mount is perfect if you play pedal steel.)