Carrier/interconnect PCB for Hypex DSA254 with Bela Gem inputs 6–9, SMPS1200A400 power/control connectors, four speaker outputs, test pads, and optional DNP input suppression.Carrier/interconnect PCB for Hypex DSA254 with Bela Gem inputs 6–9, SMPS1200A400 power/control connectors, four speaker outputs, test pads, and optional DNP input suppression.