(B-Stock) Walrus Audio Qi Etherealizer Terracotta Yvette You

B-stock information

Warranty:	This product comes with a 3-year warranty.
Complete	Yes
Original packaging	Damaged
Condition of product	Traces of use (no damage/scratches)
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(B-Stock) Walrus Audio Qi Etherealizer Terracotta Yvette Young Stereo Multi-Effects Pedal
Product no: 5000-0026-9671 Bax Music Warranty: This product comes with a 3-year warranty.

General

Walrus Audio and math rock guitarist Yvette Young present the Qi Etherealizer: a stereo FX processor that wields chorus, delay, reverb and granular effects, plus 127 MIDI presets, tap tempo, and other tools for creating unique soundscapes. Play around with the mix (series) and dry (parallel) control to mash up the various effects and shape the same kind of modern textures Young is known for as part of the band she fronts, Covet. From a subtle chorus combined with delay to more wild-and-glitchy effects, this ultra-versatile stompbox opens up countless options for creative tone-tinkerers.

The Qi Etherealizer: Lush, Glitchy and Rhythmic Textures

The Qi Etherealizer has been fitted out with a decent number of knobs and switches, giving you full hands-on control over the sound. After dialling in the sound you're after, you can save it to one of three preset slots and quickly recall it when needed. If you plug in a matching pedal via the MIDI ports, you can even manage up to 127 presets. Tweak the Space pot to summon lush reverb, turn the Tone pot to sculpt the overall sound and then polish things off with the low-pass filter for synth-like vibes. Or you can activate the Grain Cloud and create unpredictable glitches before tweaking the density via the X control. For those more spatially-oriented modulation effects, you can turn to the built-in delay and chorus effects as well as the control-based features: tap-tempo, reverb-freeze and delay-oscillation.

Cortex M7 Processor for Advanced Audio Processing

The Walrus Audio Qi Etherealizer is based on the MDSP platform and is powered by a Cortex M7 processor, which not only offers advanced audio processing but an ocean of headroom, supporting the complex algorithms demanded by Young-style math-rock. Also, since this is the special Terracotta edition, it comes finished with artwork designed by Yvette herself. Add this stereo multi-effects pedal to your set-up and take your sound to a previously unimaginable dimension.

Tips or comments about this product

Please note: This pedal does not include a power supply.

Specifications

Product features

Adapter included	no
Centre positive/negative	centre negative
Complete	Yes
Sustainable product	not specified
Effect type	chorus, delay, reverb, other
Expression pedal	no
Fx loop	no
Speaker/amplifier simulation	no
Microphone input	no
Mini pedal	no
Original packaging	Damaged
Condition of product	Traces of use (no damage/scratches)
Stereo input	yes
Stereo output	yes
Current strength	100 - 499 mA
Tap tempo function	yes
True bypass	yes
Power supply plug	barrel 2.1 mm (inner diameter)
Type of reverb effect	other reverb, other delay
Type of modulation effect	chorus
Can be powered by battery	no
Voltage	9 V

Weight and dimensions including packaging

Weight (incl. packaging)	720 gr
Dimensions (incl. packaging)	17,5 x 16,5 x 7,0 cm

Product specifications

Walrus Audio stereo multi-effects pedal
model: Qi Etherealizer
designed in collaboration with Yvette Young (from math rock band Covet)
finish: Terracotta, with original artwork by Yvette Young
effects: chorus, delay, reverb and granular effects
for inspiring, glitchy and mysterious sounds
mix and match chorus, delay and grain in series or parallel mode
effects feed into each other for evolving textures in series
create custom mixes via independent effects
tri-chorus and stereo chorus for rich, modulated sound
digital delay (with max. 2-second repeats)
granular mode: grain cloud and phrase sampling
grain cloud triggers random grain samples for glitchy effects, density adjustable via X control
phrase sample for rhythmic grains of the peaks in your playing, tempo adjustable X control
grain effect playback modes:
- normal
- double speed (+1 octave)
- half speed (-1 octave)
- reverse
- random
controls:
- mix (series) / dry (parallel)
- gain
- delay
- chorus
- tone
- x
- time
- rate
- space
- feedback
- depth
switches:
- bypass
- freeze
- tap / osc
- playback
- flow
- grain
- delay
- chorus
space delivers rich reverb, from intimate rooms to outstretched soundscapes
tone shapes output with synth-style low-pass filter
latch and momentary functions like grain freeze and delay oscillation
plugs:
- 2x 6.35 mm mono-jack in
- 2x 6.35 mm mono-jack out
- USB-C
TRS MIDI in and thru ports for MIDI (parameter) control
3 preset slots plus Live mode (max. 127 preset slots via MIDI)
USB-C port for firmware updates
powered by Walrus Audio's own brand-new MDSP chip for high headroom, improved audio quality and superior signal-to-noise ratio
power supply: 9V DC, 300mA
designed and built in the USA
dimensions: 148 x 123.7 x 58.42mm

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Reviews from other countries

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B van der W. December 5, 2025

Wrote the following about Walrus Audio Qi Etherealizer Terracotta Yvette Young Stereo Multi-Effects Pedal

Wat een fantastisch ding is dit! Het is heel logisch opgebouwd met 4 kolommen van rechts naar links (chorus, delay, grain en reverb) die je zowel in serie als parallel kunt schakelen. Ondanks de zeer rijke en soms overweldigende sounds, raak je nooit de weg kwijt en kun je makkelijk en snel bijsturen naar een werkende sound. Ik gebruik het na mijn Tonex one en volume pedaal. Nu ben ik aan het stoeien met de midi aansturing vanaf de Hotone ampero control. De QI maakt mijn soms wat kille geluid uit de Tonex heel warm en muzikaal. Hoge kwaliteit converters en componenten. Ik heb veel vooronderzoek gedaan naar dit ding en het is een waardige (betere) vervanger van mijn vorige churus, delay pedalen die ook al goed waren). Snelle levering en top service van BAX. Blij mee!

Dion October 30, 2025

Wrote the following about Walrus Audio Qi Etherealizer Terracotta Yvette Young Stereo Multi-Effects Pedal

Dit pedaal is een waanzinnige tool om de meest fantastische soundscapes te maken. Het granular microloopervgedeelte tesamen met de overige effecten ( tri-chorus, stereo chorus, delay en een fantastische spacy reverb) bieden je de mogelijkheid om zeer mooie stereo wide soundscapes te maken. Maar ook los zijn de verschillende effecten te schakelen en dan tevens de keuze om dit parallel of in serie te doen. Daarbovenop heb je ook nog een freeze functie en een functie om de reverb te schakelen naar maximum decay. En niet te vergwten heeft ie ook nog midi in en uit.Als je een zeer muzikaal klinkend en makkelijk te bedienen ambient powerhouse pedaal zoekt dat makkelijk te bedienen is dan is dit het pedaal wat je zoekt. Heeft inmiddels de plaats op mijn pedalboard overgenomen van een Hologram Microcosm en dat is niet niks.