SQ SLink Card for a Further 128 Inputs/Outputs for SQ/AHMSQ SLink provides engineers with the option to add an additional intelligent SLink port to any SQ console. With the same functionality as the built in SLink port, the card allows connection to a further 128 inputs and 128 outputs of digital audio and opens the SQ to a range of new system possibilities. The option card runs independently from the built in SLink port, allowing two different Allen & Heath protocols to be used in one system, at the same