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PWM Malevolent Analog Monophonic Semi-Modular Synthesizer

Analog monophonic semi-modular synthesizer with 32 velocity-sensitive mini-keys, two VCOs, two envelopes, multimode 2-pole filter, arpeggiator, and multi-function joystick with 19 inputs and 19 outputs for Eurorack compatibility and USB-C bus-power


Product Description

The PWM Malevolent is a truly analog synth cohabiting the modular and synthesizer world. It boasts multiple connectivity options for endless patching capabilities. It features a host of I/O options including MIDI I/O, Clock I/O, Phones, Line out, and USB C. A fully featured ARPEGGIATOR with independent control and signal capabilities allows arp MIDI control alongside patchable signal manipulation. Second-to-none USB MIDI CONTROL is completely separate to the analog signal path. Working as a totally independent USB to 1 volt per octave USB MIDI interface.


  • Pure analog signal path designed by Future Sound Systems
  • 19 outputs and 19 inputs for 3.5mm mono jack cable patching
  • 2 voltage controlled oscillators 
  • LFO (low-frequency oscillator)
  • Two envelopes with individual ADSR controls for each envelope
  • Multi-mode 2-pole VCF (voltage-controlled filter)
  • Mixer: noise with level control, aux input with level control
VCA (Voltage Controlled Amplifier) with overdrive control
  • Compatible with Eurorack standard 1V/Oct gear
  • Monophonic and patchable allowing individual pitch control of each VCO and gate control of each envelope
  • USB bus-powered
  • MIDI In/Out
  • Headphone out
  • Line out
  • Analog clock in and out
  • USB-MIDI to 1V/Oct CV and gate conversion
  • Multi-function Joystick control
  • 6 arpeggiator types (Up, Down, Up/Down 1, Up/Down 2, Played & Random)
  • Keyboard Control with 32 velocity-sensitive mini-keys

Product Specifications

Condition New
Package Contents Malevolent synthesizer, five patch cables, power supply (9V 600mA, USB C lead, and Getting Started Guide
Width 9.8 in
Height 3.1 in
Depth 9.3 in
Unit Weight 5.8 ln
MIDI Connections In, Out
Analog or Digital Analog
Key Type Non-Weighted
Number of Keys 32
Synthesizer Format Keyboard
Polyphony Monophonic
Aftertouch No
Arpeggiator Yes
Envelope 2 ADSR
Filters Multimode 2-pole VCF
Oscillators 2 VCOs
Sound Engine Analog Monophonic Semi-modular
Velocity Sensitive Yes
Waveforms Saw, triangle, pulse

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I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.
The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
James P.
Thank you so much! Vintage King has been so fair and easy to work with. I can't thank you enough. It feels good to trust such a hefty purchase to folks who are so helpful and knowledgeable. Vintage King is a sound designers dream store.
Noa L.
You guys have excellent customer service and I am excited about the next upgrade I complete on my fifth recording facility. I've been in the studio business for forty plus years. The salesman I worked with at Vintage King was the best of the best. You all rock!
Robby T.
I would recommend Vintage King to any one looking for top-class gear, unbeatable customer service and the best prices on the map!
Jake D.
My experience with Vintage King was excellent. The order was here fast considering it was out of stock. The sales person had SKB send it to me directly and I couldn't have been more pleased.
Michael D.
From the minute I placed my order I was kept well-informed through each step in your process. Even though I was buying a comparatively modest piece of gear, your attention to detail made me feel like I was purchasing a six-figure mixing desk.
Thomas W.
I am a new customer of yours. You guys provided me the absolute best deals in ordering all the equipment to power my brand new recording studio. Your customer service is amazing and i will always deal with you from here on out.
Rob M.
Thanks for your great service and getting this out today. You guys really are the Kings!
Alan B.
Better than expected! Truly impeccable service. Your team was professional, knowledgeable, provided speedy delivery above and beyond standard. Vintage King Audio is definitely my go to for all of my audio and information needs.
James O.