Boss Waza Tube Amp Expander Core Reactive Load Box

The WAZA Tube Amp Expander Core is a professional recording solution for capturing tube amp tones with exceptional quality. Our Tube Logic approach and reactive load design retain your amp’s natural feel and touch response, while premium cab emulation and studio processing make it simple to craft high-impact direct sounds. Creative options include a helpful Mix Assist tool that ensures tracks fit perfectly within every mix, plus a unique Air Feel feature that authentically recreates “amp-in-room” sound with advanced spatial technology. And with the integrated 30-watt reactive drive power amp and your favorite cab, you can enjoy “sweet spot” amp tones at home-friendly levels.

Standard Features

• Professional direct tube amp recording solution driven by the advanced Tube Logic design philosophy
• Selectable reactive load retains your amp’s natural feel and interactive response
• Supports most tube amps rated up to 100 watts*
• Built-in 30-watt reactive drive power amplifier with continuous volume control
• Mix Assist function optimizes the recorded sound to dramatically improve production quality
• Air Feel feature recreates “amp-in-room” sound with natural depth, dimension, and ambience
• Choose from 22 BOSS cabinet emulations and five selectable mic types (two simultaneously)
• 64 user IR slots supporting mono/stereo WAV files up to 500 ms and 32-bit floating point/96 kHz resolution
• Comes preloaded with 10 Celestion® Digital IRs
• Use up to two third-party IRs simultaneously and smooth the sound with onboard time alignment tools
• Premium stereo effects, including compression, parametric/graphic EQ, delay, and reverb
• Ten recallable rig settings for storing favorite setups
• External effect loop with selectable series/parallel operation
• Balanced XLR stereo line outputs for connecting to mixers and recording devices
• USB-C® for audio recording and playback with computers and mobile devices**
• Headphones output for quiet practice with cranked-up amp tones and immersive Air Feel ambience
• Speaker output for connecting an external cabinet (supports 4 ohms and higher)
• MIDI input for advanced control
• Dedicated WAZA Tube Amp Expander Core Editor (macOS/Windows) for editing and IR loading
• Optional Bluetooth® Audio MIDI Dual Adaptor (BT-DUAL) enables wireless audio streaming from music apps and remote editing/IR loading with the mobile version of the WAZA Tube Amp Expander Core Editor (iOS/Android)