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://www.behringer.com/product.html?modelCode=P0DWB