Four-band parametric EQ, 4-channel mixer, line and separate headphone
305 is an output module with a four-band parametric EQ, a 4-channel mixer, line and separate headphone output and a tuning oscillator with 3 selectable frequencies (200/400/800 Hz) and level control.
Demo video: https://youtu.be/vpiNPOiPcHU
https://www.behringer.com/en/products/0720-AAM
This Module is currently available.
$59