Boss Katana Mini Guitar Amplifier

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Small but mighty, the Boss Katana Mini puts clean, crunch and the infamous "brown sound," plus delay and 3-band EQ, into a compact battery-powered combo amp.

The Boss Katana Mini makes serious Katana tone accessible in a small, go-anywhere Guitar Amplifier that runs on batteries. Offering sound quality that far exceeds other amps in its class, this miniature powerhouse features an authentic multi-stage analog gain circuit for big, expressive sound, plus a traditional analog EQ and an on-board tape-style delay. Ultra-compact and travel-ready, the Katana-Mini delivers inspiring Katana tone anywhere you want to play.


- Great Katana tone in a highly portable amp
- Rich, full sound that far exceeds other amps in its class
- Authentic multi-stage analog gain circuit and three-band analog tone stack
- Three versatile amp types: Brown, Crunch, and Clean
- Built-in tape-style delay for warm ambience
- Aux input for jamming with music from a smartphone
- Phones/recording output with cabinet voicing
- Runs on six AA-size batteries or optional AC adapter

Specially Designed for Top-Quality Sound

Unlike typical small, battery-powered guitar amps that offer so-so sound quality, the Katana-Mini produces big, full tone that inspires you to plug in and play for hours at a time. Boss's comprehensive design approach includes a custom speaker, advanced hardware, refined circuitry, and special component selection, which all work together to produce maximum sound quality in a minimum footprint. The amp also incorporates Boss's decades of research in energy efficient design, providing class-defying power and punch from only six read more AA-size batteries.

Analog Tone Stack and Onboard Delay

In contrast to the limited EQs found in other small amps, the Katana-Mini comes equipped with a genuine three-band analog tone stack. This provides natural sound shaping via familiar bass, mid, and treble controls, just like the tone stack in a full-size stage amp. In addition, you can enhance your sound further with the Katana-Mini's cool tape-style delay. Using the dedicated time and level knobs, it#s simple to dial in everything from subtle reverb-like ambience to long, warm delay repeats.

Inspiring Tones, Ready to Rock

The Katana-Mini's all-analog input circuitry includes multiple gain stages that drive three classic sound settings, offering the same cascaded gain approach found in high-end amp designs. This is what gives the Katana-Mini its satisfying tone and quick, interactive feel, with distortion that's easily controlled with input volume and picking strength. Inspired by Boss's flagship Waza amp, the Katana-Mini's Brown setting delivers expressive, high-gain tones rich with harmonics, perfect for heavy riffs and soaring solos. Crunch provides overdrive that's ideal for rock rhythms and bluesy leads, while Clean offers up crisp, sparkling tones with punchy dynamic response.

Katana Version 3: Added Effect Types, Real-Time Control Assignments, and Stereo Effects When Recording via USB

The Katana Version 3 update enhances the stage-class Katana amp lineup with even more performance versatility. Effect types include the legendary Roland DC-30 Analog Chorus-Echo, classic BOSS GE-10 Graphic Equalizer, and expressive 95E pedal wah, providing iconic tones that perfectly match the Katana’s Brown amp character. In addition, BOSS Tone Studio offers the ability to assign favorite parameters for quick-access control from the front-panel effects knobs and create custom control assignments for up to three connected expression pedals. And when tracking in a DAW via USB, it’s now possible to capture true stereo sound with many of the Katana’s modulation, EQ, delay, and reverb effects. Katana Version 3 is a free, user-installable update for all Katana owners.

Jam at Home or Grab and Go

Thanks to the Katana-Mini's advanced-yet-compact design, you can plug into serious guitar tone any time and any place. Weighing just under three pounds, it sits easily on a tabletop or shelf at home. And with the integrated handle and battery operation, it's easy and convenient to grab the amp and play anywhere you want, indoors or out. With the aux input, you can even plug in your smartphone and jam along with your personal music library or tracks streamed from the web. And for private practice and recording situations, you'll want to take advantage of the phones/recording output, which features special cabinet voicing for real mic'd amp tone.
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- Rated Power Output: 7 Watts
- Nominal Input Level: -10 dBu (1 M ohm)
- Aux In: -10 dBu (20 k ohm)
- Speaker10 cm (4 inches)

- Power switch
- Gain knob
- Volume knob

- Bass knob
- Middle knob
- Treble knob

- Time knob
- Level knob

- Input jack: 1/4-inch phone type
- Aux In jack: Stereo miniature phone type
- Phones/Rec Out jack: Stereo miniature phone type
- DC In jack

Power Supply
- Alkaline battery (AA, LR6) x 6 - Approximately 7 hours
- Rechargeable Ni-MH battery (AA, HR6) x 6 - Approximately 9 hours (When using batteries having a capacity of 2500 mAh.)
- AC adaptor (sold separately)

- Owner's manual
- Alkaline battery (AA, LR6) x 6

- Width: 9-1/16 inches
- Depth: 4-5/8 inches
- Height: 7-1/8 inches
- Weight (including battery: 2 lbs 11 oz

For support or warranty questions, please contact the manufacturer:
Phone: 323-890-3700

Reviewers gave this product an overall rating of 5 out of 5 stars. (10 ratings)
Submitted December 2, 2017 by Martin G

"King of the Fly Weight Amps"

Overall: 5 out of 5 stars
(see rating details)
Verified Customer zZounds has verified that this reviewer made a purchase from us.
Simply put, Boss' new Katana Mini has assumed top of the hill status when considering a small, light weight amp that has an assortment of convincing tones and effects and can run on batteries alone. The previous fly weight contender, the 5 watt Black Star Fly, will now be relegated to the bargain table. Boss added two watts, extra voices and managed to maintain its fly (feather) weight status. For a small inexpensive practice amp, it will be tough to beat the Katana Mini. In fact at the moment consider this new Boss offering to be the King of the Hill in the Fly weight class. And yes, you can purchase an AC adapter if batteries don't do it for you. Hats off to Boss. They get it!!

Musical Background:

hobbyist, plays mostly at home

Musical Style:

rock, blues, pop
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