US Madness

Sale price Price $28.97 Regular price Unit price  per 

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● Ideal Carry-On/Bedroom Guitar Effects with Headphone Amplifier for Silent Practicing.

● Dynamic Clean Tone designed for both Guitar and Bass.

● Built-in Chorus Effects add additional Sonic Dimensions to the Overall Tone.

● Headphone Splitter & 1/8'' Aux Cable included, providing more possibilities for various contexts of use.

● USB-Chargeable (USB Charging Cable included) for 5 Hours Continuous Operation.


User Manual


Dimensions: 97mm(D)×65mm(W)×42mm(H);

Sonicake US Madness is a headphone pocket guitar/bass amp, plug-in type, 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 chorus circuit. The US Madness is packed with tasteful tonal qualities: warm, natural, dynamic, amp-like... Meanwhile, it is also a GREAT tool for all the bassists out there. It sounds amazing with the bass. Best paired with headphones with higher impedance.

The US Madness comes with a built-in chorus effect, adding additional sonic dimensions to the overall tone.

An 1/8 inch 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. The 1/4 inch jack is for plugging straight into your guitar.

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.