Each channel of the 355 has its own bypass switch with LED indicator, is housed in a rugged, all-steel constructed chassis which occupies 2U rack space, and is intended for installation in standard 19" equipment racks. Multiple input and output configurations are provided for ease of use and incorporate paralleled connections. The XLR and 1/4" TRS connectors use active balanced, low noise circuitry. Both the XLR and 1/4" connectors may be used in an unbalanced configuration. The RCA jacks are unbalanced. The unit is designed to work with a variety of signal levels. The input level control covers a wide range and can easily accommodate -10 and +4 signal levels.

The 355 may be used in a variety of applications such as live sound, recording studios, instrument racks, as well as any conventional fixed installation environment.

Dual Channel 31 band 1/3 octave graphic equalizer
Constant-Q filtering
20mm center detent sliders
Selectable boost/cut range of 6dB or 12dB
Variable high-pass and low-pass filters
Variable input level control
Clip level indicators
Active balanced and unbalanced input and output connections