Demoing the DigiTech FreqOut pedal... Creates feedback swells like what you get from your guitar facing a speaker cabinet - perfect for players that go... | By Bumblefoot | Facebook
DigiTech FreqOut Natural Feedback Creator - Guitar Pedal - Music Freqs Store
SCOSCHE FreqOut Pro Universal Digital FM Transmitter with Built-In USB Charging Port and Integrated Music Control Buttons - Works with Cell Phones, MP3 Players, iPods and More - Black (FMTD9) - Walmart.com