The Acus One ForStrings 4 FERDI is a compact, high-quality acoustic combo amplifier crafted for professional musicians and serious hobbyists who want transparent, musical sound in a lightweight package. Designed with Italian craftsmanship and a focus on acoustic instruments, the ONE ForStrings 4 FERDI delivers clear, natural amplification.

Pure Acoustic Sound, Unmatched Clarity

The Acus One ForStrings 4 FERDI is engineered to reproduce the true voice of your instrument. Whether you're fingerpicking delicate melodies or strumming powerful chords, the One ForStrings 4 FERDI ensures that every nuance is heard.

Compact Size, Professional Power

Weighing just a few kilograms with a small footprint, you can bring the One ForStrings 4 FERDI anywhere, making it the ideal amp for practice sessions and intimate spaces. Its rugged yet elegant build also ensures reliable performance night after night.

The One ForStrings 4 FERDI is also able to be powered with a power bank via USB-C, allowing you to set the amplifier in venues where power is scarce.

Built-In Reverb & Professional Controls

Enhance your performance with the integrated digital reverb, adding depth and space to your sound without external pedals. The amplifier also includes an XLR input to connect to any dynamic microphone. With individual volume controls and a 2-band EQ, you have flexibility to further refine your tone.