The Wren and Cuff De La Riva BM20-Ultra Fuzz is a Wren And Cuff fuzz pedal, currently around $295. Close alternatives include the EarthQuaker Devices Hoof and the Wren and Cuff J Mascis Garbage Face Fuzz. It pairs well with the Orange Matamp and the Marshall Plexi 1959SLP.

Wren and Cuff De La Riva BM20-Ultra Fuzz

Wren And Cuff · pedal

The Wren and Cuff De La Riva BM20-Ultra Fuzz is a highly configurable Big Muff-style fuzz built around 20 internal DIP switches, each offering two settings across nearly every stage of the circuit, plus three external toggles including a silicon/germanium transistor switch. Wren and Cuff states the DIP switches alone yield over a million possible configurations, growing to roughly 8 million with the toggles included. Without touching any switches it delivers familiar, low-noise Muff tones with strong presence. It is built for players who want to explore the full design space of the Big Muff circuit topology rather than a single fixed voicing.

  • muff
  • fuzz
  • presence
  • low noise
  • transistor
  • silicon
  • germanium
  • specific target tone
Used$295View on Reverb

Price updated Aug 26, 2026

Genres the Wren and Cuff De La Riva BM20-Ultra Fuzz is commonly used in

  • Stoner Rock
    citedInferred from shared tonal signals, not a stated genre tag.
  • Grunge
    citedInferred from shared tonal signals, not a stated genre tag.

Amps that pair well with the Wren and Cuff De La Riva BM20-Ultra Fuzz

Orange Matamp

Orange

32% match

Run Orange Matamp after it and the bright edge settles into something more smooth

Marshall Plexi 1959SLP

amplifier

31% match

Into Wren and Cuff De La Riva BM20-Ultra Fuzz, Marshall Plexi 1959SLP is right at home: it's built around Marshall-style amps

Fender Vibrolux 6G11

amplifier

tonal match

Run fuzzy into Fender Vibrolux 6G11 for more modulated on top

Dumble Steel String Singer

Dumble

tonal match

Dumble Steel String Singer leans smooth right where the bright tone needs it

Fender Prosonic

amplifier

tonal match

Fender Prosonic leans warm right where the bright tone needs it

Gibson GA-50

Gibson

tonal match

Run Gibson GA-50 after it and the bright edge settles into something more warm

Fender Vibro-King Custom 60W 3x10 Tube Guitar Combo Amp

amplifier

tonal match

Run fuzzy into Fender Vibro-King Custom 60W 3x10 Tube Guitar Combo Amp for more modulated on top

Orange BT1000H Terror Bass 1000-Watt Bass Amp

Orange

tonal match
$747.19via Reverb

Run Orange BT1000H Terror Bass 1000-Watt Bass Amp after it and the bright edge settles into something more warm

Pedals that stack with the Wren and Cuff De La Riva BM20-Ultra Fuzz

Walrus Audio Julia

Walrus Audio

17% match

Walrus Audio Julia's modulated voice goes after Wren and Cuff De La Riva BM20-Ultra Fuzz in the signal chain — it's not there to compete with Wren and Cuff De La Riva BM20-Ultra Fuzz's own fuzzy character

MXR Micro Amp

MXR

15% match
$79.44via Reverb

MXR Micro Amp layers clean boost onto an already fuzzy signal

JAM Pedals Octaurus

Jam Pedals

15% match
$255.42via Reverb

JAM Pedals Octaurus stacks octave on top of the fuzzy already here

Ashdown Velvet Compressor

Ashdown

12% match
$150.07via Reverb

Ashdown Velvet Compressor's own compressed character is the real reason this is worth trying

Dunlop - MXR Carbon Copy Deluxe Analog Delay

Dunlop

11% match
$305.90via Reverb

Keep Wren and Cuff De La Riva BM20-Ultra Fuzz's fuzzy voice out front: Dunlop - MXR Carbon Copy Deluxe Analog Delay goes after Wren and Cuff De La Riva BM20-Ultra Fuzz in the signal chain so its analog warmth voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Electro-Harmonix Memory Boy Analog Delay

Electro-Harmonix

11% match
$108.71via Reverb

Keep Wren and Cuff De La Riva BM20-Ultra Fuzz's fuzzy voice out front: Electro-Harmonix Memory Boy Analog Delay goes after Wren and Cuff De La Riva BM20-Ultra Fuzz in the signal chain so its modulated voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Dunlop Blue Hippo Optical Tremolo

Dunlop

tonal match

Where this leans bright, Dunlop Blue Hippo Optical Tremolo answers back warm

Dunlop Echoplex Preamp

Dunlop

tonal match
$135via Reverb

Dunlop Echoplex Preamp's smooth balances out the bright tone

Cheaper alternatives

Sonicake Fazy Cream Vintage Fuzz

Sonicake

71% similarity
$39.98via Reverb

Shared character: low_noise_floor, big_muff, fuzz

Browne Amplification T4 Fuzz

Browne Amplification

71% similarity
$179via Reverb

Shared character: big_muff, circuit, presence

Electro-Harmonix Big Muff PI- Made

Electro-Harmonix

70% similarity
$88.76via Reverb

Shared character: big_muff, circuit, fuzz

Wren and Cuff Box of War Small Foot Fuzz

Wren And Cuff

69% similarity
$199.99via Reverb

Shared character: big_muff, presence, fuzz

Electro-Harmonix 1973 Violet Ram's Head Big Muff Pi V2

Electro-Harmonix

68% similarity
$114.30via Reverb

Shared character: big_muff, fuzz

Tru-Fi Super Fuzz PBF Compact Version

Tru Fi

68% similarity
$199.95via Reverb

Shared character: big_muff, fuzz

Boutique & premium upgrades

Electro-Harmonix "Ram's Head" Big Muff Pi V2

pedal

92% similarity
$2044.15via Reverb

similar tone character

Similar charactersee all similar tone character →

EarthQuaker Devices Hoof

EarthQuaker Devices

70% similarity

Shared character: big_muff, fuzz

Wren and Cuff J Mascis Garbage Face Fuzz

Wren And Cuff

69% similarity
$349.99via Reverb

Shared character: big_muff, fuzz

Wren and Cuff Box of War OG

Wren And Cuff

91% similarity
$299.99via Reverb

similar tone character

Dunlop Eric Johnson Signature Fuzz Face

Dunlop

91% similarity
$375via Reverb

similar tone character

Dean Markley Overlord

Dean Markley

91% similarity

similar tone character

Spaceman Effects Charon

Spaceman

91% similarity

similar tone character

See all alternatives to the Wren and Cuff De La Riva BM20-Ultra Fuzz (cheaper + boutique) →

Questions people ask

What are good alternatives to the Wren and Cuff De La Riva BM20-Ultra Fuzz?+

The closest matches in character are the EarthQuaker Devices Hoof, the Wren and Cuff J Mascis Garbage Face Fuzz, the Wren and Cuff Box of War OG. Budget picks: Sonicake Fazy Cream Vintage Fuzz, Browne Amplification T4 Fuzz, Electro-Harmonix Big Muff PI- Made. Boutique upgrades: Electro-Harmonix "Ram's Head" Big Muff Pi V2.

What pairs well with the Wren and Cuff De La Riva BM20-Ultra Fuzz?+

Strong matches from rig and tone-complementarity evidence: Orange Matamp, Marshall Plexi 1959SLP, Fender Vibrolux 6G11 — Run Orange Matamp after it and the bright edge settles into something more smooth.

How much does the Wren and Cuff De La Riva BM20-Ultra Fuzz cost?+

Around $295 (live listing price, updated Aug 26, 2026).

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