The 621B is a two-channel device in a shallow 2U box. It’s a four-band parametric equalizer with bypass switch, input gain trim, overload LED and EQ controls for each channel.

  • Input attenuator
  • Peak LED
  • Channel bypass switch
  • Band 1 frequency control
  • Band 1 Q control
  • Band 1 boost & cut control
  • Band 2 frequency control
  • Band 2 Q control
  • Band 2 boost & cut control
  • Band 3 frequency control
  • Band 3 Q control
  • Band 3 boost & cut control
  • Band 4 frequency control
  • Band 4 Q control
  • Band 4 boost & cut control

Reverb Buyer Protection

Reverb has your back if your item is lost, damaged, or doesn't match its description. Simply report any issues within 7 days and we'll help you get a full refund.Learn more about Reverb Buyer Protection.

Promoted similar listings













Listed6 days ago
ConditionGood (Used)
Good condition items function properly but may exhibit some wear and tear.Learn more
Brand
Model
  • 621B/R Stereo Parametric EQ
Categories

Product safety information may be available here.

JRR Shop

Irvine, CA, United States
Joined Reverb:2014

Reverb Protection

Simple Returns, Secure Transactions, Human Support

Learn more

Secure Checkout

Reverb Gives

Your purchases help youth music programs get the gear they need to make music.

Oops, looks like you forgot something. Please check the fields highlighted in red.