The Boss Katana-100 Gen 1 is the original 100-watt Katana combo that helped establish the series as one of the most versatile and practical modern guitar amplifiers.

Built around Boss’s responsive amplifier design, it combines five distinct amp characters with onboard effects, flexible power scaling and a custom 12" speaker, making it suitable for home practice, recording, rehearsals and live performance.

The first-generation Katana-100 also includes features that make it more stage-ready than smaller models in the range, including an effects loop, dedicated Line Out and support for the Boss GA-FC foot controller.

This Pre-Owned example is in Very Good condition.

AT A GLANCE

Detail	Specification
Brand	Boss
Model	Katana-100
Generation	Gen 1 / Original
Type	1x12 Guitar Combo
Power	100W
Speaker	1x 12"
Condition	Very Good / Pre-Owned

PRE-OWNED CONDITION REPORT

This is a Pre-Owned Boss Katana-100 Gen 1 in Very Good condition.

The Very Good condition grade reflects an amplifier that has been well looked after overall while showing the light signs of previous use expected from Pre-Owned equipment.

KEY FEATURES

• Original first-generation Boss Katana-100

• 100-watt guitar combo

• Custom 12" speaker

• Five amp characters

• Acoustic

• Clean

• Crunch

• Lead

• Brown

• Boss onboard effects

• Four Tone Setting memories

• Panel mode

• 0.5W / 50W / 100W Power Control

• 3-band EQ

• Presence control

• Effects loop

• Line output

• Phones / recording output

• USB connectivity

• Aux input

• GA-FC foot controller compatibility

• Expression / control pedal input

• Very Good Pre-Owned condition

WHY YOU'LL LOVE IT

The original Katana-100 remains a highly practical amplifier because it can cover an unusually wide range of situations without requiring a complicated setup.

At full power it has enough output for rehearsal and live use, while the Power Control allows the amp to run at much lower output levels for home practice.

The built-in Boss effects also reduce the need for a large pedalboard, while the effects loop and GA-FC compatibility make it easy to expand into a more advanced live rig.

DETAILED FEATURES & BENEFITS

100-Watt Output

The Katana-100 provides enough power and projection for rehearsal, performance and louder band situations while retaining a relatively compact 1x12 format.

Custom 12" Speaker

The amp uses a custom 12" speaker designed to work closely with the Katana output stage and amp voicings.

Five Amp Characters

Five main amp types provide a broad range of sounds.

Clean delivers a clear and open response, Crunch adds classic breakup, Lead covers thicker driven tones, and Brown provides the higher-gain voice derived from Boss’s Waza development.

An Acoustic setting is also included for electro-acoustic guitars.

Built-In Boss Effects

The amplifier includes integrated Booster/Mod, Delay/FX and Reverb sections.

Additional effects and deeper editing can be accessed through Boss Tone Studio.

Tone Setting Memories

Four dedicated memory buttons allow complete amp and effect setups to be stored for quick recall.

Panel mode returns directly to the current physical control positions.

Power Control

The Power Control provides 0.5W, 50W and 100W settings, allowing the amplifier to retain its responsive feel at more manageable volume levels.

Three-Band EQ

Bass, Middle and Treble controls provide familiar amp-style tone shaping, while the Presence control allows additional adjustment of the upper-frequency response.

Effects Loop

The Send and Return connections allow delay, reverb and modulation pedals to be placed after the Katana preamp section.

This is particularly useful when using higher-gain amp sounds.

Line Output

A dedicated Line Out makes the Katana-100 practical for feeding recording equipment, mixers or PA systems.

Phones / Recording Output

The headphone/recording output allows silent practice or direct connection to recording equipment.

USB Connectivity

USB allows the amplifier to connect directly to a computer for recording and use with Boss Tone Studio.

GA-FC Compatibility

The first-generation Katana-100 supports the Boss GA-FC foot controller, allowing hands-free control over channels and effects in a live setup.

WHO IS IT FOR?

The Boss Katana-100 Gen 1 is particularly well suited to players who need one amplifier for practice, recording, rehearsal and live work.

It is also a strong choice for guitarists who want access to multiple amp sounds and effects without relying entirely on a separate pedalboard.

PLAYING STYLES & APPLICATIONS

The Katana-100 works well across rock, blues, metal, pop, indie, alternative, funk and general covers work.

Clean and Crunch settings cover lower-gain styles, while Lead and Brown provide enough gain for heavier rhythm and lead sounds.

The onboard effects also make it useful for ambient, modulation-heavy and experimental playing.

HOW IT COMPARES

Katana-100 Gen 1 vs Katana-50 Gen 1

The 100-watt model adds greater power, an effects loop, dedicated Line Out and GA-FC compatibility, making it considerably more suitable for stage use.

Katana Gen 1 vs Katana MkII

The MkII generation added expanded amp variations and redesigned effects control.

The original Gen 1 remains a very capable platform and received substantial firmware updates during its production life.

Katana Gen 1 vs Gen 3

Gen 3 introduced a revised amplifier platform, additional voicing options and updated connectivity.

The original Katana-100 is simpler but still offers the core combination of stage power, effects and direct recording functionality that established the range.

PRODUCT SPECIFICATIONS

Specification	Details
Product Type	Guitar Combo Amplifier
Brand	Boss
Model	Katana-100
Generation	Gen 1 / Original
Rated Output	100W
Speaker	1x 12" / 30cm
Amp Types	Acoustic, Clean, Crunch, Lead, Brown
Power Control	Standby, 0.5W, 50W, 100W
EQ	Bass, Middle, Treble
Presence	Yes
Effects	Booster/Mod, Delay/FX, Reverb
Tone Memories	CH1, CH2, CH3, CH4
Panel Mode	Yes
Aux Input	Yes
Effects Loop	Send / Return
Line Out	Yes
Phones / Recording Out	Yes
USB	USB-B
GA-FC Compatible	Yes
Expression / Control Input	Yes
Approx. Dimensions	530 x 248 x 445mm
Approx. Weight	14.8kg / 32.6 lbs
Condition	Very Good / Pre-Owned

POWER REQUIREMENTS

The Boss Katana-100 Gen 1 is a mains-powered guitar amplifier.

It does not operate from batteries.

FAIR DEAL MUSIC EXPERT VERDICT ★★★★★

Best suited for: Players who want one flexible amplifier for home, rehearsal, recording and live use.

Customers usually upgrade from: Small practice amps, entry-level modelling combos and lower-powered Katana models.

Most commonly paired with: GA-FC foot controller, expression pedals, overdrive pedals, delay and modulation effects.

Our tip: The 100-watt version is worth considering even for home use because the 0.5W Power Control makes it manageable at low volume, while the effects loop and GA-FC support give you much more room to expand later.

Showroom feedback: The original Katana-100 remains a very capable all-rounder. Its combination of stage power, straightforward controls and flexible onboard effects is still extremely useful.

WHY BUY PRE-OWNED FROM FAIR DEAL MUSIC?

Buying a Pre-Owned Boss Katana-100 Gen 1 can provide excellent value for players looking for a versatile 100-watt modelling-style guitar combo.

This example is in Very Good condition.

Fair Deal Music has decades of experience buying, selling and part-exchanging amplifiers, guitars, effects and other musical equipment.

WHY BUY FROM FAIR DEAL MUSIC?

When you buy from Fair Deal Music, you're choosing one of the UK's most established, independent family run music retailers since 1987.

Fair Deal Music combines a large Birmingham showroom with nationwide ecommerce and knowledgeable musician-led advice.

Customers benefit from:

• Family-run independent retailer established in 1987

• Birmingham's largest independent music store

• 6,000+ Trustpilot reviews

• Knowledgeable musician-led advice

• Extensive experience with Boss and Pre-Owned amplifiers

• Large Birmingham showroom

• Secure online ordering

• Fast UK delivery

• Friendly customer support

• Part-exchange and trade-in service

Trade In. Trade Up. Save More.

Your current amplifier, guitar or other musical equipment could help towards the cost of this Boss Katana-100 Gen 1.

Fair Deal Music buys and part-exchanges amplifiers, guitars, basses, effects, keyboards and a wide range of other musical equipment.

Contact our team for a no-obligation valuation.

PART EXCHANGE / TRADE-IN

If you already own an amplifier or other equipment you are considering replacing, Fair Deal Music can assess it for part exchange against this Boss Katana-100.

Trading in can remove the inconvenience of selling privately while allowing the value of your existing equipment to go directly towards your next purchase.

Trade In. Trade Up. Save More.

Contact Fair Deal Music for a no-obligation valuation.

FREQUENTLY ASKED QUESTIONS

Is this the first-generation Boss Katana-100?

Yes. This is the original Gen 1 Katana-100, not the MkII or Gen 3 model.

Is it used?

Yes. It is a Pre-Owned amplifier in Very Good condition.

How powerful is it?

It delivers up to 100 watts.

What speaker does it use?

It has a custom 12" speaker.

What amp models are included?

It has Acoustic, Clean, Crunch, Lead and Brown amp characters.

Does it have built-in effects?

Yes. It includes Booster/Mod, Delay/FX and Reverb sections.

Can more effects be accessed?

Yes. Boss Tone Studio provides deeper editing and access to additional Boss effects.

How many presets can it store?

It provides four Tone Setting memories plus Panel mode.

Can it be used quietly at home?

Yes. The Power Control offers a 0.5-watt setting for lower-volume playing.

Does it have a 50-watt setting?

Yes. It can operate at 0.5W, 50W or 100W.

Does it have an effects loop?

Yes. It has dedicated Send and Return connections.

Does it have a Line Out?

Yes. A dedicated Line Out is fitted.

Can I use headphones?

Yes. It has a Phones / Recording output.

Can it connect to a computer?

Yes. It has USB connectivity for recording and Boss Tone Studio.

Is it compatible with the Boss GA-FC?

Yes. The first-generation Katana-100 supports the Boss GA-FC foot controller.

Is a GA-FC included?

A GA-FC has not been specified as included with this example.

Does it have an Aux input?

Yes. It has a stereo mini Aux input for external audio sources.

Is it suitable for gigging?

Yes. The 100-watt output, 12" speaker, Line Out and foot-controller compatibility make it well suited to live use.

What condition is it in?

This example is in Very Good condition.

Can I part-exchange another amplifier against it?

Yes. Fair Deal Music considers amplifiers and a wide range of other musical equipment for part exchange.