The Klark-Teknik DN301 is a single channel, 30 band equaliser offering 15dB of cut in 1/3 octave steps between the frequencies of 25Hz and 20kHz, with 20dB of available system make-up gain. This product is built to the same high electrical and mechanical standards as all KlarkTeknik equipment and is both robust and stylish. It occupies a standard two units of rack space and has an electronically balanced input and unbalanced output