Monitoring control daughter card for the Burl B80 mothership with four channels of DAC, BX5 transformer and NextGen BOPA14 Opamps and Elma stepped attenuator.

Surround switcher with bi-directional surround routing. 3 x 6-way connections either one source to 2 sets of speakers (for alternative speakers), or two sources to one output (to compare mixes). All switching is via relays and there are no electronics in the audio signal path.

1U precision 5.1 surround controller with mono and stereo fold-down capabilities as well as a new 47-position stepped attenuator

1U precision 7.1 surround controller with 5.1 and stereo fold-down capabilities and a new 47-position stepped attenuator

Instrument router. Completely passive switching 6 x mono inputs on combi jacks / XLR 4 x balanced / unbalanced outputs on TRS jacks to feed amplifiers. 2 x output on XLR for a direct feed to house mixer. Outputs can be selected simultaneously. 1U.

Line selector. Passive 3-way bi-directional switcher. Adds speaker selection to any system or 3 x stereo inputs to any system. Multiple speakers can be on simultaneously. 1 in 3 out, or 3 in 1 out. Balanced jack I/O. Non rack mounting.