The Behringer ADI21 V-Tone Acoustic is a Behringer phaser pedal. Close alternatives include the Chase Bliss Warped Vinyl and the TC Electronic Stereo Chorus Flanger. It pairs well with the Marshall Super Bass and the Fender Hot Rod Deluxe.
Behringer ADI21 V-Tone Acoustic
Behringer · pedal
The Behringer ADI21 V-Tone Acoustic Driver combines an active DI box with proprietary microphone and tube emulation circuitry specifically for piezo-equipped acoustic-electric guitars, addressing the thin, harsh quack many acoustic pickups produce when run directly into a PA or interface without shaping. A three-band EQ with adjustable mid frequency and a blend control let players dial in a more natural, mic'd-acoustic-guitar character, while quarter-inch and gold-plated XLR outputs plus a ground lift switch make it equally useful for stage and studio direct-recording situations.
What stands out
“Its use case spans both live performance, feeding a mixing board a properly shaped acoustic signal, and studio direct recording, capturing a warmer tone than a raw DI signal alone would provide”
— from the community notes
“while quarter-inch and gold-plated xlr outputs plus a ground lift switch make it equally useful for stage and studio direct-recording situations”
— from the listing
“the behringer adi21 v-tone acoustic driver combines an active di box with proprietary microphone and tube emulation circuitry specifically for piezo-equipped acoustic-electric guitars”
— from the listing
“The standout strength is genuine, noticeable tonal improvement over a raw piezo signal at a genuinely affordable price point”
— from the community notes
“The blend control, mixing the direct piezo signal with the emulated microphone character, is praised for letting players find a natural middle ground”
— from the reviews
Trade-offs
“For working acoustic musicians on a tight budget, the ADI21 represents one of the more cost-effective ways to meaningfully improve piezo pickup tone, though players with higher budgets or more demanding professional needs would likely find …”
— from the reviews
“harsh quack many acoustic pickups produce when run directly into a pa or interface”
— from the listing
“quacky tone piezo systems are known for”
— from the community notes
“addressing the thin”
— from the listing
- studio
- direct recording
- stage
- di
- piezo pickup tone
- warmer tone
- mid
- emulated microphone character
Amps that pair well with the Behringer ADI21 V-Tone Acoustic
Marshall Super Bass
Marshall
25% matchfills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (warm → bright)
Marshall Super Bass's bright balances out the warm tone
Comes later in the signal chain
Fender Hot Rod Deluxe
Fender
24% matchfills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (warm → bright)
Fender Hot Rod Deluxe's bright balances out the warm tone
Comes later in the signal chain
Laney Richter
Laney
tonal matchComes later in the signal chain
Laney Richter leans bright right where the warm tone needs it
Mesa Boogie Subway D-350
Mesa Boogie
tonal matchComes later in the signal chain
Run Mesa Boogie Subway D-350 after it and the warm edge settles into something more bright
PRS DG
PRS
tonal matchComes later in the signal chain
PRS DG's bright balances out the warm tone
Marshall JCM800 2205 50-Watt Amplifier Head
Marshall
tonal matchComes later in the signal chain
Marshall JCM800 2205 50-Watt Amplifier Head leans bright right where the warm tone needs it
Vox MV50 Brian May
Vox
tonal matchComes later in the signal chain
Run Vox MV50 Brian May after it and the warm edge settles into something more bright
Soldano SLO-30 2-Channel 30W 1x12 Combo
Soldano
tonal matchComes later in the signal chain
Soldano SLO-30 2-Channel 30W 1x12 Combo's bright balances out the warm tone
Pedals that stack with the Behringer ADI21 V-Tone Acoustic
EarthQuaker Devices Chelsea
EarthQuaker Devices
23% matchfills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (warm → bright)
EarthQuaker Devices Chelsea leans bright right where the warm tone needs it
Comes earlier in the signal chain
Catalinbread Galileo
Catalinbread
23% matchfills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (warm → bright)
Catalinbread Galileo's bright balances out the warm tone
Comes earlier in the signal chain
Chase Bliss Automatone CXM 1978
Chase Bliss Audio
13% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Put Chase Bliss Automatone CXM 1978 after Behringer ADI21 V-Tone Acoustic in the signal chain, where it won't crowd Behringer ADI21 V-Tone Acoustic — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
Boss RV-3 Digital Reverb/Delay
Boss
11% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Put Boss RV-3 Digital Reverb/Delay after Behringer ADI21 V-Tone Acoustic in the signal chain, where it won't crowd Behringer ADI21 V-Tone Acoustic — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
ThorpyFX Wopr
ThorpyFX
tonal matchComes earlier in the signal chain
Where this leans warm, ThorpyFX Wopr answers back bright
Alchemy Audio HBE Detox EQ
Alchemy Audio
tonal matchComes earlier in the signal chain
Run Alchemy Audio HBE Detox EQ after it and the warm edge settles into something more bright
CALIFORNIA WUB Continuum EQ Galaxy Man Edition
California Wub
tonal matchComes earlier in the signal chain
Run CALIFORNIA WUB Continuum EQ Galaxy Man Edition after it and the warm edge settles into something more bright
Free The Tone ARC-53M Audio Routing Controller
Free The Tone
tonal matchWhere this leans warm, Free The Tone ARC-53M Audio Routing Controller answers back bright
Alternatives
Chase Bliss Warped Vinyl
Chase Bliss Audio
54% similarityShared character: studio
TC Electronic Stereo Chorus Flanger
TC Electronic
53% similarityShared character: middle, simple, studio
Warm Audio WA-C1 Chorus and Vibrato
Warm Audio
51% similarityShared character: stage
Boss CE-20 Chorus Ensemble
Boss
51% similarityShared character: middle, stage
MXR EVH117 Flanger
MXR
51% similaritySimilar voicing: warm, mid-forward
Effectrode Tube-Vibe
Effectrode
46% similaritySimilar role and voicing
MXR M134 Stereo Chorus
MXR
46% similaritySimilar voicing: warm, mid-forward
Universal Audio Dream
Universal Audio
46% similarityShared character: middle, studio, stage
Boss CE-2W Chorus Waza Craft
Boss
44% similaritySimilar voicing: warm, mid-forward
Catalinbread Callisto Mk. II
Catalinbread
41% similaritySimilar voicing: warm, mid-forward
Wampler Nirvana Chorus
Wampler
41% similaritySimilar voicing: warm, mid-forward
Alexander Dynaflanger
Alexander Pedals
41% similarityShared character: studio
See all alternatives to the Behringer ADI21 V-Tone Acoustic (cheaper + boutique) →
Questions people ask
What are good alternatives to the Behringer ADI21 V-Tone Acoustic?+
The closest matches in character are the Chase Bliss Warped Vinyl, the TC Electronic Stereo Chorus Flanger, the Warm Audio WA-C1 Chorus and Vibrato.
What pairs well with the Behringer ADI21 V-Tone Acoustic?+
Strong matches from rig and tone-complementarity evidence: Marshall Super Bass, Fender Hot Rod Deluxe, Laney Richter — Marshall Super Bass's bright balances out the warm tone.