Fender Champion, Mustang, Tone Master, Hot Rod Combo Amp KatCab U2 External Speaker Mod Kit. The KatCab U2 External Speaker Mod will allow your combo amp to have an option to use the internal speaker and connect external speaker cabinet(s). With a 3 foot speaker cable.

This mod kit will work with:

 • Champion 20, Champion 40, Champion 100, Champion 50XL, Champion 100XL

 • Mustang I, Mustang II

 • Mustang GT40, Mustang GT100, Mustang GT200, Mustang GTX50, Mustang GTX100

 • Tone Master Twin Reverb, Tone Master Deluxe Reverb

 • Hot Rod Pro Junior IV, Blues Junior IV, Blues Deluxe Reissue, Blues Junior Lacquered Tweed. 

KatCab U2 options:

  1. Internal speaker

  2. External speaker

  3. Internal & External speaker

  4. External & External speaker

It is wired in Series. Example, built-in speaker 8 Ohms, external speaker 8 Ohms, total 16 Ohms. Total Ohms for all connected speakers must match the amplifier recommended value.

Easy installation and step by step instructional video to help you. https://youtu.be/KDnuV-km7J0

Please ask pre-sales questions, before purchase.