BiQuad is an electrical engineering product design and testing firm with a focus in audio electronic circuit design including embedded microprocessor and DSP programming. Since 1991 we have provided exceptional design services primarily in the audio equipment marketplace.

We offer complete electronic product design including circuit design, PCB layout, embedded DSP and microprocessor programming, industrial graphic design, and technical writing of product manuals and procedures. BiQuad can provide clients with small jobs consisting of circuit schematic designs, up to large contracts for complete working product prototypes.