Reddit mentions of TC ELECTRONIC M100

There are tons of outboard fx units out there -

https://www.youtube.com/watch?v=xw5RtdIEzz4



You could go with a small desk mixer with built in FX, but some may not have all the ones you're looking for -

(just an example)

• https://www.amazon.com/Mackie-PROFX4V2-4-Channel-Compact-Effects/dp/B00VUU702A/
  
  
• https://www.amazon.com/Yamaha-MG10XU-10-Input-Stereo-Effects/dp/B00IBIVL42/
  
  
• https://www.amazon.com/Behringer-1202FX-BEHRINGER-XENYX/dp/B000J5Y214/
  
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  or a dedicated multi-FX processor
  
  
• https://www.amazon.com/Behringer-Virtualizer-FX2000-High-Performance-Multi-Engine/dp/B003EZXMS0
  
  
• https://www.amazon.com/TC-Electronic-Reverb-Effects-Processor/dp/B001R5G70O
  
  
• https://www.amazon.com/TC-Electronic-M100-ELECTRONIC/dp/B0731N1HY3
  
  
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  or a dedicated vocal fx unit (some of these are made for live performance, hence the foot switches)
  
  
• https://www.amazon.com/Roland-VT-4-Voice-Transformer/dp/B07JKLMDGX/
  
  
• https://www.amazon.com/Helicon-Voice-Vocal-Effects-Processor/dp/B00GM0NX3S/
  
  
• https://www.amazon.com/Eventide-H9-Core-Harmonizer-Pedal/dp/B01CY237P6/
  
  
• https://www.amazon.com/TC-Helicon-Effects-Processor-Burgundy-996369005/dp/B074TRXB21/
  
  
  There's a plethora of them... just hunt around on sweetwater, musicansfriend, or BHphoto to see some ideas.
  
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  The Roland is pretty cool , because it lets you adjust things on the fly easier -
  
  (this is like what the Beastie Boys used for "Intergalactic")
  
  Roland VT-3
  
  https://www.youtube.com/watch?v=ZeHHV1LPfOo (@1:02)
  
  Roland VT-4 demos
  
  https://www.youtube.com/watch?v=xw5RtdIEzz4
  
  https://www.youtube.com/watch?v=b5kkYemu-gs