Buffer Amp with level, tone and by-pass controls. Many steel players who are using this unit will not play without it!
• The popular Model 7A Super Sustain Match Box has adjustable gain of 0 dB to 15.5 dB.
• It has ideally buffered input and output.
• Extra quiet circuit.
• Full-range tone control.
• Excellent signal-to-noise ratio.
• Using high end of gain, and advancing volume pedal, a long sustain can be obtained.
• T.H.D.: .03%.
• Has battery off-on switch. It's also off when output jack is unplugged.
• Full year manufacturer's warranty on everything.
• Has a true variable gain, not just a potentiometer acting as a variable L-pad.
Uses two 9 Volt Batteries - Battery Life: One Year or more.