British made, point-to-point, 120 watt power attenuator.

Why pay more for a mass-produced 'Big Name' when our sound better and are made better? Simple as that!

Made in Manchester, UK using only premium and mil-spec parts. High power handling designed to survive extreme continual use. Heavy duty point to point wiring to last a lifetime. Suitable for all valve amplifiers up to 120 watts.

Two modes plus bypass: Fixed attenuation Studio mode for high-power repeatability when recording or playing, and smoothly variable Jam mode for quieter use.

This unit is resistive, and offers a bright, clear, open and crisp sound

This listing is always for the current, latest and most up-to-date model, straight from our workshop.


International shipping

We treat each order individually and will carefully select and use whichever reputable, tracked, insured airmail option is currently operating without problems.

Please note that you may have to pay import tax. The rules vary by country and state. Please check before purchasing in order to avoid a disappointing experience. 

USA:  Tarrifs and Duty. These are included in your shipping cost, which is why it is so high (Sorry!). But on the plus side you know your HotBox will arrive quickly and without trouble because we're very thorough and always sort all the paperwork you need.


Audiostorm is a small British company based in Manchester, UK.

We were founded in 2008 by Sean Mandrake, a passionate musician who has been designing guitar effects, amplifiers and studio gear for over 20 years.

Reviews of our HotBox units can be found on YouTube and demoed in-person at guitar shows around the UK each year.