Chunk Systems bass effects
bass effect pedals
Octavius Squeezer analog bass synth Octavius Squeezer
analog bass synth listen
Agent 00Funk Mark II envelope filter Agent 00Funk Mark II
envelope filter listen
Brown Dog gated bass fuzz Brown Dog
gated bass fuzz listen
obsolete effect pedals
Agent 00Funk envelope filter Agent 00Funk
envelope filter
FZ002 gated bass fuzz FZ002
bass fuzz
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Chunk Systems Pty Ltd
Sydney, Australia
+61 2 9698 9302
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bass fuzz

The FZ002 is unlike any other fuzz pedal. Designed especially for bass guitar, it features a gating system to keep your basslines punchy and well defined whether you've got it set to make your sound a little crusty round the edges or transform it into rampaging waves of meat. Turn the gate and drive controls up and you've got the meanest sounding synthbass ever. The FZ002 is now obsolete and has been superseded by the Brown Dog.

FZ002 gated bass fuzz


  • gate control - Improve attack, keep your sound tight and funky and eliminate fret noise and hum with the gate control.
  • keep that bass! - Get a huge fuzzed-out sound but keep the bottom end with independent fuzz (wet) and bass (dry) controls.
  • handmade - The FZ002 is lovingly handmade in Australia to order.


  • input - 1/4" mono audio input jack.
  • output - 1/4" mono audio output jack.
  • CV send - 1/4" control voltage loop send jack.
  • CV return - 1/4" control voltage loop return jack.
  • power - 2.1mm optional power supply socket (9-24V regulated DC, tip-negative).
  • battery - snap-in 9V battery magazine.


Here's what users and reviewers are saying about the Agent 00Funk:

"I've owned the Mutron, Electro-Harmonix Q-Tron, and the EBS BassIQ and this definitely surpasses all of them. Excellent work."

- Adam Wright, Texas, USA

"I'm extremely happy with my Agent 00Funk. It is by far the best envelope filter pedal I have used."

- Mike Torczon, Nebraska, USA

"A big thanks to the mad professor who designed the circuitry of the Agent 00Funk pedal. The crazy sounds it makes will bring joy to countless people in clubs and pubs across Brisbane. A world class sound. The filter sweep is smooth as silk and it doesn't loose the bottom end of the sound, unlike cheap imitations."

- Allan "Ace" Boulton, Brisbane, Australia

"I never leave home without it, even when I'm not going to a gig. Its useful for subdueing overenthusiastic groupies due to its sturdy construction and will turn even the naffest of drum beats into mutant squelching acid."

- Luke Dearnley, Sub Bass Snarl, Sydney, Australia

"Guitarists experimenting with envelope filters have often been rewarded with glitches and muddy signal and little to recommend them. Step up to the plate Agent 00Funk - with its extensive parametric controls and 'up/down' operation, the Chunk Systems pedal allows guitarists (and indeed virtually any electronic instrumentalist) to tweak the effect and achieve a solid enhanced tone that is far more attractive than your past experience with this style of effect might lead you to assume. [...] Does a guitarist need an envelope filter? [...] A control voltage loop promises further enhancement via future Chunk Systems devices, making Agent 00Funk expandable, so that not only do I need an envelope filter, I think I probably need three!"

- Australian Guitar Magazine, Volume 12

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