- Popular Brands
BOSS WAZA Tube Amp Expander Core

Videos (1)
View All
NEW BOSS Waza Tube Amp Expander Core | NAMM 2025
Description
For guitarists who love the sound of a cranked tube amp, the BOSS WAZA Tube Amp Expander is a game-changer. This amazing device lets you experience the full potential of your amp at any volume, whether you're on stage or in the studio. It's packed with cool features, like a reactive load box, built-in effects and even a recording interface, making it the ultimate tool for any tube amp player.
Unleash Your Tube Amp's Full Potential
Want to get that awesome cranked-up tube amp sound without making your ears bleed or getting noise complaints from your neighbors? The BOSS Waza Tube Amp Expander lets you do just that! It acts as a variable reactive load box, which means you can crank your amp to its sweet spot and play at any volume without losing that amazing tone and feel. It's like having a magic volume knob for your amp.
Extensive Connectivity and Creative Control
The BOSS Waza Tube Amp Expander gives you tons of ways to connect your gear and control your sound. You can hook up your favorite pedals, use MIDI controllers for advanced setups, and even save your favorite sounds as presets. This gives you ultimate flexibility and control over your rig, whether you're on stage or in the studio.
Built-in Effects and Powerful Sound Processing
This awesome device also has built-in effects, like delay, reverb and EQ, so you can shape your sound even further. It's got a powerful sound processor that delivers amazing sound quality, and you can even use stereo effects to make your sound even bigger and wider. It's like having a whole pedalboard built into one unit.
Miked Cab Emulation and IR Loading
Want to get the sound of a miked up guitar cabinet without actually having to mic up a cabinet? The Waza Tube Amp Expander has you covered. It has built-in cabinet simulations that sound just like the real thing, and you can even load your own custom speaker impulse responses (IRs) to get even more unique sounds. This is perfect for recording or playing live without having to lug around a bunch of heavy equipment.
The Essential Companion for Tube Amp Players
If you're a guitarist who loves the sound of a tube amp, the BOSS WAZA Tube Amp Expander is a must-have. It's got everything you need to take your playing to the next level, from a reactive load box and built-in effects to a recording interface and tons of connectivity options. This is the ultimate tool for any tube amp player.
Experience the Future of Tube Amp Performance
The BOSS WAZA Tube Amp Expander is a game-changer for guitarists who want to get the most out of their tube amps. It's a versatile and powerful tool that will unlock new levels of creativity and control.



Features
- Variable reactive load box
- Active analog power stage
- Miked cab emulator and IR loader
- Recording interface
- Built-in BOSS effects
- 10 fully customizable rig setups
- Deep real-time control
- Extensive connectivity
- Road-ready and easy to use
Specs
- Line out L/R: +4dBu
- Line out mono (FOH): +4dBu
- FX loop nominal output level
- -10/+4 dBu (selectable)
- Line out L/R: +20dBu
- Line out mono (FOH): +20dBu
- FX loop send: +6 dBu (-10) /+20dBu (+4)
- FX loop return: 1 Mohm
- Line out L/R: 600 ohms
- Line out mono (FOH): 600 ohms
- FX loop send: 1 kohm
- Power switch
- Speaker out knob
- Line out knob
- Phones knob
- Resonance-Z knob
- Presence-Z knob
- Rig knob
- Reverb knob
- FX loop button
- Effects button
- Solo/EQ button
- Amp CTL button
- Speaker impedance switch
- Input level switch
- L/R GND LIFT switch
- Mono (FOH) GND LIFT switch
- Loop switch
- Level switch
- Send GND LIFT switch
- Return GND LIFT switch
- Amp CTL switch
- Power
- Write
- FX loop
- Effects
- Solo/EQ
- Amp CTL
- Input SIG/PEAK
- From tube amp jack: 1/4" phone type
- Speaker out jacks (OUT A, OUT B): 1/4" phone type
- Line out L/R connectors: XLR type
- Line out mono (FOH) connector: XLR type
- Phones jack: Stereo 1/4" phone type
- Send jack: 1/4" phone type
- Return jack: 1/4" phone type
- FX loop jack: 1/4" phone type
- GA-FC jack: 1/4" TRS phone type
- Amp CTL jack: 1/4" phone type
- USB COMPUTER port: USB B type
- MIDI (IN, THRU/OUT) connectors
- AC IN jack
- 100W
- Owner's manual
- Power cord
- Rackmount angle x 2 (for EIA-2U)
- GA-FC sticker
- Footswitch: BOSS FS-5L
- Expression pedal: Roland EV-5, BOSS FV-500H, BOSS FV-500L, BOSS EV-30
- GA Foot Controller: BOSS GA-FC
- Width: 380 mm (15")
- Depth: 296 mm (11-11/16")
- Height: 110 mm (4-3/8")
- Weight: 6.8 kg (15 lb.)
Warranty
90 day labor warranty.
1 year warranty - Multitracks, Jamstations, etc.
Check with manufacturer for specific product warranty.
Reviews
Be the first to review the Product
Q&A
Have a question about this product? Our expert Gear Advisers have the answers.
submitted5 months ago
asked byPC the Doomer
fromAtlanta, GA
Do you have to have a speaker connected, or can you use headphones only?
Yes, you do.