Acus Sound Engineering developed the One for Strings range to amplify the sound level of all acoustic instruments (notably acoustic and classical guitars) without altering their natural tone or resonance. One for Strings amps are designed in minimalist style, with custom speakers, cabinets and highly reliable electronic components, all together capable of amplifying harmonics with natural tone. One for Strings can also be used as a mini PA system. It is versatile and responsive, with a full range of functions specifically tailored for acoustic instruments.Perfect for gigging, practice or recording, the Acus One for Strings 6T is a 130 Watt acoustic guitar amplifier, equipped with three separate inputs (two Mic-Line and one Line), with controls for Gain/Volume, 3-Band EQ, Effect Send and Master Volume. The Master Section features Direct Out electronically balanced output, RCA stereo input and RCA stereo output.