Korg GA40 Advanced Solo Guitar & Bass Tuner with Output Jack Folding Stand 
Product highlights:
- A large, easy-to-see, LCD needle-style display
- A compact tuner designed specifically for guitar and bass, with excellent performance and convenient functionality
- Large, high-precision meter-type display for stable tuning indication
- Quinta-Flat Tuning mode allows dropped tunings from one to five semitones
- Supports tuning of seven-string guitars and six-string basses
Korg GA40 Advanced Solo Guitar & Bass Tuner with Output Jack Folding Stand
The GA-40 is a dedicated, easy-to-operate guitar/bass tuner with automatic pitch detection. In Guitar mode it supports seven-string guitars (7B through 1E), and in Bass mode it supports six-string basses (Low-B and Hi-C). With the precision you expect from KORG, the GA-40 indicates the pitch quickly and accurately. The LCD needle-style display provides both the accuracy of an LCD as well as the easy viewing of a needle indicator, and the display has been enlarged for even better visibility. You can also use the built-in high-sensitivity microphone to tune an acoustic guitar.Ratings and reviews
Korg GA40 Advanced Solo Guitar & Bass Tuner with Output Jack Folding Stand 
Korg GA40 Advanced Solo Guitar & Bass Tuner with Output Jack Folding Stand
SKU: GA40