Description
The Plex 55 grew out of the success of Foxgear’s Kolt 45 Miniamp, extending that idea of a complete guitar amplifier squeezed into pedalboard-friendly hardware. Inside, a multi-stage Class A FET preamp handles the tone-shaping work, paired with Foxgear’s own Class D power section that delivers a genuine 55 Watts RMS into 4 Ohms.
What sets the Plex 55 apart is how its FET circuitry behaves. Instead of the flat, clinical response typical of solid-state gear, it replicates the harmonic push and dynamic feel of a tube preamp — specifically the classic British character associated with Marshall Plexi amps. That means the grit and edge show up exactly where you’d expect them from a valve head being driven hard.
Placement in your chain matters here: drop your favorite overdrive or distortion pedal in front of the Plex 55 and let it react to that signal the way a real tube front-end would. The response is fast and the harmonic content is dense enough that the line between pedal-amp and tube amp starts to blur.
Because it’s compact and self-contained, the Plex 55 makes sense as a reliable backup amp — but plenty of players end up leaving the full-size head at home and building their entire rig around this unit instead. Less weight to haul, same British snarl on tap.
- Class A FET preamp for tube-like harmonic response
- Proprietary Class D power section
- 55 Watts RMS @ 4 Ohms
- Voiced for classic British Plexi-style edge and crunch
- Compact, pedalboard-friendly complete guitar amplifier
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