We have imported this a few years back but never used it and has been sitting in the garage ever since

naphon digital signal processor, well known bran in the UK DSP 2224

FEATURES 128 kinds of effect, such as reverb, echo; Robust and compact design; 24/32 bits digital audio processor; MPU control; Variable input /output gain; Digital saturation on LED; Optimized signal path to provide superior sound; Dimension: 483x163 x44MM G.W.:6.80KGS

SPECIFICATION Input Jack 1/4 inch TRS and XLR Jack Input Impedance Balance:44kohm;unbalance:22kohm Input range Less than +15db Output Jack 1/4 inch TRS and XLR Jack Output Impedance Balance:150ohm;unbalance:75ohm Frequency response 20HZ-20KHZ +/-0.5db SNR More than 90db THD Less than 0.03% (0db,1KHz) Processor 24bit DSP,48KHz sampling Display Lattice LCD Power Less than 10w Power Supply AC100-120v/200-240v 50Hz/60Hz