Boss WAZA Tube Amp Expander Core

RM3,990.00

  • Full Tube Amp Tone at Any Volume — Captures your amp’s real speaker output with a reactive load, letting you enjoy your amp’s cranked “sweet spot” tone even at bedroom-friendly volumes.
  • Studio-Grade Cab Emulation Built In — Choose from 22 BOSS cabinet emulations and 5 mic types (2 simultaneously), or load up to 64 of your own third-party impulse responses alongside 10 preloaded Celestion Digital IRs.
  • Mix Assist Takes the Guesswork Out of Recording — Apply professionally designed sound-contour curves to ensure your guitar tracks sit perfectly in a mix, no engineering experience required.
  • “Amp-in-Room” Realism with Air Feel — Advanced spatial processing recreates the natural depth and ambience of a real amp in a real room, adding richness beyond what typical room mics capture.
  • Flexible for Any Rig — Supports most tube amps up to 100W, with a series/parallel effects loop, external speaker output, and balanced XLR outputs for connecting to mixers, interfaces, or recording gear.
  • Compact and Travel-Ready — At just 2.2 kg, this streamlined version of the flagship WAZA Tube Amp Expander brings professional-grade recording tools to a fraction of the size and price.
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Boss WAZA Tube Amp Expander Core

Supreme Tube Tones at Any Volume

A tube-based guitar amp sounds and feels its best when the volume is cranked and its power section is really working. Unfortunately, the levels produced are usually unmanageable for anyone without an isolation booth or very forgiving neighbors.

 

The WAZA Tube Amp Expander Core solves this issue, capturing your amp’s speaker output with a reactive load and selectable options that accurately emulate combo and stack-style speaker behaviors. The sound goes directly to the internal 30-watt reactive drive power amp, ready to connect to an external cab for low-volume practice. The same signal is also sent through the unit’s speaker cab emulations and effects processing, giving you a polished feed for direct recording applications.

 

 

Premium Speaker Sounds

The companion editor software provides a studio playground for shaping the raw amp sound within the WAZA Tube Amp Expander Core. Choose from 22 BOSS cabinet emulations and five classic mic types (two available simultaneously) and dial in the ideal blend with position, distance, and level controls. Alternatively, it’s possible to use up to two speaker cab IRs at once, either from the included Celestion Digital IRs or selections from your personal IR library. With the time alignment function, you can precisely line up IR combinations for the smoothest tone.

 

 

Professional Recording Tools

The WAZA Tube Amp Expander Core contains powerful tools to help you achieve world-class recorded tones—with no engineering experience required. Developed with top guitarists and studio engineers, the Mix Assist function lets you apply one of three sound contour curves with variable transient control. This makes it easy to record parts that blend perfectly within mixes, drastically improving your production quality. There’s also an immersive Air Feel feature that uses BOSS spatial technology to recreate the inspiring “amp-in-room” tone that guitarists love. The two Air Feel studio variations deliver realistic richness, depth, and dimension, providing more natural results than the room mics typically used to add space to guitar recordings.

 

 

Effects and Rigs

Effect processing plays a vital role in crafting great studio guitar tones. The WAZA Tube Amp Expander Core features a series/parallel loop for inserting your preferred mod and ambience effects, positioned after the amp’s distortion for the clearest sound. There’s also an array of high-quality internal processing, allowing you to apply compression, EQ, delay, and reverb within the unit. You can organize custom setups within the editor—including cab choices and effects—and assign 10 favorites for instant access with the Rig knob on the front panel.

 

 

Versatile Connections

The WAZA Tube Amp Expander Core enables you to use your custom rigs in many ways at once. Record directly to music production software over USB or patch into a mixer or audio interface with the stereo XLR jacks. Hook up an external speaker cabinet (4/8/16 ohms) for daily practice. Or monitor through headphones via the front input, complete with Air Feel for an inspiring spatial experience.

 

 

Expansion Options

Using the WAZA Tube Amp Expander Core Editor, you can load 64 of your favorite third-party speaker WAV IRs in addition to the 10 included Celestion Digital IRs. Mono or stereo files are compatible, with support for 500 ms length and 32-bit floating point/96 kHz resolution for the finest audio quality. The optional Bluetooth® Audio MIDI Dual Adaptor adds wireless capabilities, allowing you to jam with music streamed from a smartphone and use the mobile version of the editor to tweak rigs and load IRs.

 


 

Specifications
Maximum Input Power FROM TUBE AMP: 100 W
Safety Load (power off) FROM TUBE AMP: 330 ohms
Rated Power Output TO SPEAKER: 30 W (8 ohms)
Load Impedance TO SPEAKER: 4-16 ohms
Cabinet Emulation 22 BOSS cabinet emulations
5 selectable mic types (2 simultaneous)
10 preloaded Celestion Digital IRs
64 user IR slots (mono/stereo WAV, up to 500 ms, 32-bit float/96 kHz)
Effects Compression, Parametric/Graphic EQ, Delay, Reverb (premium stereo effects)
Rig Memory 10 recallable rig settings
Input Impedance FROM TUBE AMP: 8 ohms
FX LOOP RETURN: 1 M ohm
Output Impedance LINE OUT L/R: 600 ohms
FX LOOP SEND: 1 k ohm
Nominal Output Level LINE OUT L/R: +4 dBu
FX Loop Nominal Input/Output Level -10/+4 dBu (selectable)
Maximum Output Level LINE OUT L/R: +13 dBu
FX LOOP SEND: +6 dBu (-10) / +20 dBu (+4)
Controls POWER switch
SPEAKER OUT, LINE OUT, PHONES, REACTIVE LOAD, RIG, AIR FEEL LEVEL knobs
WRITE button
INPUT LEVEL switch, FX LOOP LEVEL switch, GND LIFT switch
Connectors FROM TUBE AMP jack, TO SPEAKER jack: 1/4-inch phone type
LINE OUT L/R connectors: XLR type
PHONES jack: Stereo 1/4-inch phone type
FX LOOP SEND jack, FX LOOP RETURN jack: 1/4-inch phone type
USB port: USB Type-C
MIDI IN connector
Bluetooth Adaptor connector: Dedicated connector
DC IN jack
Power Supply AC adaptor
Current Draw 470 mA
Accessories Owner’s Manual, AC adaptor, Power cord
Options Bluetooth Audio MIDI Dual Adaptor: BT-DUAL
Wireless MIDI Expression Pedal: EV-1-WL
Wireless Footswitch: FS-1-WL
Carrying Bag: CB-VE22
Size & Weight 200 (W) x 202 (D) x 99 (H, including feet) mm
Weight: 2.2 kg