What is a HotBox?

Valve amps sound their best turned up to eleven but most of us live in a world where neighbours, police, the guys in recording studios and our bleeding eardrums just can't put up with all that volume. That's where the HotBox comes in, it sucks up most of the power your amp puts out and allows you to work it really hard so get that sound, but without the pain.

AudioStorm are experts in Power Attenuator design.

We've been making and selling these units for many years and have countless satisfied customers. Don't settle for some el-cheapo unit with air cooled resistors or a terrible rheostat when you can have our cutting edge technology instead.

HotBox 60 Studio
HotBox 60 Pro
HotBox 120
HotBox 125


The HotBox is available in four different models to suit all needs:

  • The HotBox 60 Studio is a rugged, entry level unit for the player who feels their amp is just that bit too loud.
  • The HotBox 60 Pro adds switchable reduction to choose between jamming at home and studio recording levels.
  • The HotBox 120 offers switchable reduction and higher power handling to suit amplifiers up to 120watts.
  • The HotBox 125 is our flagship with four carefully chosen levels of reduction and a switchable inductor.
    This unit is at the cutting edge and we think it's the single best power attenuator in the world. Period.

We also sell accessories to let you record with our HotBoxes:

  • The BurnBox is a pure analogue, Inductive Recording DI Speaker Simulator and dummy load that works with any HotBox.
  • The HotLine is a simple and economic Line Out and dummy load that works with any HotBox and can be used with software plug-ins to acheive a speaker simulated recording.