Boombox Guitar Tuner will get the party started. Just play a note, and it shows. Other guitar tuners don't use the microphone, like Boombox Guitar Tuner, because it's written with cutting-edge Flash 10.1 technology. Boombox Guitar Tuner is free to download or use online, so why waste your money on other expensive guitar tuners at the music shop? Try tuning your guitar once using Boombox Guitar Tuner, and you'll see that it takes just seconds to get perfect pitch, every time.