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Boss Katana Mini 7W Battery Powered Combo Amp

92 out of 100. Incorporating 3050+ ratings and reviews.

Gearank Recommendation

The Katana Mini appeared on our recommended list for Guitar Amps Under $100 from our first edition in February 2018 until August 2020.


The Boss Katana series is generally well received by critics and professionals with the larger 100-watt variants getting a lot of stage and studio time. Boss aims to continue this stellar performance with the Katana Mini: a 7-watt portable combo amplifier.

The Katana series can best be thought of as Boss’s answer to Fender’s Mustang line, featuring a variety of onboard effects and amp models.

The Katana Mini is the smallest and most portable amp in this family, with a 7W amp section and 4″ speaker. More importantly, it carries with it the same well-received multi-stage analog gain circuit that helps give life to its three voicings that includes clean, crunch and brown (high-gain). Also packed in this amp is a 3-band EQ and delay effect.

Also, the Boss Katana Mini runs on 6 x AA batteries, and can work with an optional power supply.

If you’re a fan of high gain modded “British” tones, the Katana series, or both, the Katana Mini is a good amplifier to get. It may not be as loud as other battery-powered amps but loudness isn’t a priority if you’re buying a battery powered amp for home use.


  • Power Rating: 7-Watts
  • Battery Life: Up to 7 Hours with Alkaline batteries or up to 9 Hours with rechargeable Ni-MH batteries
  • Power Source(s): 6 x AA Batteries or DC
  • Speaker: 4”
  • Effects: Distortion, Delay
  • Controls: Gain, Volume, Bass, Middle, Treble, Delay Time, Delay Level
  • Input(s): ¼” Instrument, ⅛” Aux
  • Output(s): ⅛” Headphone / Rec
  • Weight: 2 lbs 11 oz
  • Dimensions (Height x Width x Depth): 7.13” x 9.06” x 4.63”
Note: This was previously on several of our recommended lists, however there are now more highly rated options available which you can find in our guides to The Best Battery Powered Guitar Amps, The Best Practice Amps and The Best Cheap Guitar Amps Under $100.