BOSSchannel | 2 decades ago
http://www.roland.com/products/en/TU-12EX/
This successor to the legendary TU-12 provides BOSS's famous needle/LED indicators for fast, accurate tuning. Other features include Flat Tuning of up to six half steps, ACCU-PITCH with an audible beep, a reference tone, a built-in microphone for acoustic instruments, and battery-saving Auto-Off.
