SONICAKE Amphonix US Madness is a headphone pocket guitar amp, giving you the ultimate experience of playing through a ultra high-headroom clean combo amplifier with two 12 inch Jensen alnico speakers and a narrow black front panel, also a phenomenal built-in reverb circuit.

The US Madness is packed with tasteful tonal qualities: warm, natual, dynamic, amp-like…

Meanwhile, it is also a GREAT tool for all the bassists out there.
The US Madness comes with a built-in chorus effect, adding additional sonic dimensions to the overall tone.

An AUX input and a PHONES jack make it way easier for the artists to play with their favorite backing tracks, making it a perfect tool for daily practice and pre-show warming-up.

No batteries needed for this pocket amp!

It is USB-chargeable, and we’ve included a USB charging cable within the package for your convenience.

One charge will keep you playing for 5 straight hours.
A headphone splitter and a 1/8” aux cable are also included for extra connectivity, providing more possibilities for various contexts of use.

Taste it!

Product Features

• SONICAKE Amphonix US Madness is a headphone pocket guitar amp, giving you the ultimate experience of playing through a ultra high-headroom clean combo amplifier with two 12 inch Jensen alnico speakers and a narrow black front panel, also a phenomenal built-in reverb circuit. The US Madness is packed with tasteful tonal qualities: warm, natual, dynamic, amp-like… Meanwhile, it is also a GREAT tool for all the bassists out there.
• The US Madness comes with a built-in chorus effect, adding additional sonic dimensions to the overall tone.
• An AUX input and a PHONES jack make it way easier for the artists to play with their favorite backing tracks, making it a perfect tool for daily practice and pre-show warming-up.
• No batteries needed for this pocket amp! It is USB-chargeable, and we’ve included a USB charging cable within the package for your convenience. One charge will keep you playing for 5 straight hours.
• A headphone splitter and a 1/8” aux cable are also included for extra connectivity, providing more possibilities for various contexts of use.