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Boss Waza Tube Expander & Footswitch - Used  From Boss

Boss' tube amp buddy with footswitch!


Our product photos are the actual, specific serial number for sale!

This specific item was photographed by us here in Durham, North Carolina. We are a very small team dedicated to providing you the most accurate photos possible, through our obsessive focus - individually photographing nearly everything that comes through the door. Questions about what you see? Want more information, photos, or just a friendly conversation with someone that cares and who has actually had their hands on this exact item? Contact us now!

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Condition: Used, Excellent

Manufacturer's Description from Boss


Bringing together a diverse range of professional tone tools for the very first time, the Waza Tube Amp Expander elevates the tube amp experience to a new level of versatility for stage performing and studio recording. This amazing device does it all—it’s a variable reactive load box, active analog power stage, mic’d cab emulator, IR loader, and recording interface, all in one integrated unit that’s road-ready and easy to use.


Backed by our advanced Tube Logic approach, you’re able to crank your amp to its sweet spot and play at any volume while faithfully retaining the core tone and feel you love. And with extensive connectivity, built-in BOSS effects, 10 fully customizable rig setups, and deep real-time control, you have unparalleled creative command for any scenario. Packed to the max with breakthrough BOSS innovations, the Waza Tube Amp Expander is an essential companion for every tube amp player.


WAZA Tube Amp Expander Version 2: More IR Slots and More Microphone Choices


The Version 2 update brings powerful new DI enhancements to the Waza Tube Amp Expander. Speaker impulse response support has been greatly increased, with the number of user IR slots extended from 4 to 32. More microphone choices are also available for the built-in cabs, including a new ribbon mic type, three dynamic/ribbon mic blends, and two different room mic variations.


The Waza Tube Amp Expander Version 2 update is available in the Downloads section.


About Manufacturer

Known around the world as the company that put the “stomp” in “stompbox,” BOSS is the division of Roland Corporation most easily recognized for its legendary line of colorful guitar and bass effects pedals. But beyond these killer pedals, BOSS has pushed the envelope for over 30 years with innovative multi-effects, rhythm machines, personal digital studios and other easy-to-use instruments for musicians of all types. Put simply, BOSS gives you the great-sounding tools you need to spend less time tweaking and more time playing.


From Tube Amp Input:

Maximum Power: 150W

Input Impedance: 4/8/16 ohms

Safety Load: 16 ohms

To Speaker Input:

Rated Power Output: 100 W (8 ohms)

Load Impedance: 4-16 ohms

Nominal Output Level

Line Out L/R: +4 dBu

Line Out Mono (FOH): +4 dBu

FX Loop Nominal Output Level: -10/+4 dBu (Selectable)

Maximum Output Level:

Line Out L/R: +20 dBu

Line Out Mono (FOH): +20 dBu

FX Loop Send: +6 dbu (-10)/+20 dbu (+4)

Input Impedance:

FX Loop Return:1 M ohm

Output Impedance

Line Out L/R: 600 ohms

Line Out Mono (FOH): 600 ohms

FX Loop Send: 1K ohm



Speaker Out

Line Out



Presence - Z



FX Loop




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


From Tube Amp 1/4" Phone type

Speaker Out Jacks (A/B) 1/4" Phone Type

Line Out (L/R): XLR Type

Line Out MONO (FOH): XLR Type

Phones Jack Stereo 1/4 Inch Phone Type

Send Jack 1/4 Inch Phone Type

Return Jack 1/4 Inch Phone Type

FX Loop Jack 1/4 Inch Phone Type

GA-FC Jack 1/4 Inch Phone Type

AMP CTL Jack: 1/4 Inch Phone Type

USB Computer Port USB B Type

MIDI (IN, THRU/OUT) Connectors

AC IN Jack

Power Consumption: 100W

Options: BOSS FS-5L Footswitch