• Tuning Mode--JOYO JF-19 BUFFER TUNER gives you fast, accurate tuning and a high-quality tuning tool in a single unit with 1 cent accuracy. In order to make the pedal work properly and quietly, we do recommend JOYO 9V DC pedal power supply with noise reduction technology. • Buffer Mode--Built-in analog BUFFER circuit preserves your tone through long cable runs and convoluted pedalboards, meanwhile, it features a independent buffer switch, you can switch between tuner and buffer when select the buffer mode. • Easy-to-read LED Screen--the big colorful LED screen enable you to read the tuning notes easily under any circumstances.
• Compact Size with power source function--what makes this
pedal unique is the DC Output Jack, you are able to power
another pedal if you want, the current is the same as the input
current.