ASD-8 switching/summing matrix   ASD-8 is an analogue 8x8 switching/summing matrix for a wide range of audio applications: summing & distribution, adapting & balancing, buffering & driving lines. Perfect for setting up additional I/Os for studio, on-site or OB-Van, adapt consumer to professional equipment, build sums in communication systems etc. High audio quality, all transformer I/O, easy operation and clear status indication on front panel, XLR connectors. All that in a most compact format: 19" 1HU.