- 2 x switching (normalling) stereo jack and switching ground contact, horizontal PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc5mbh-b B Series, 5 pole female XLR receptacle, grounding: ground contact to mating connector shell and front panel, steel retention lug, horizontal PCB mount, https://www.neutrik.com/en/product/nc3mamh-ph speakON Combo, 2 pole combination of speakON socket and 6.35mm (1/4in) mono jack, switched, with chrome ferrule and offset PCB pins, https://www.neutrik.com/en/product/nmj4hhd2 M Series, 6.35mm (1/4in) stereo jack, switched, with chrome ferrule and straight PCB pins, https://www.neutrik.com/en/product/nmj6hfd3 M Series, 6.35mm (1/4in) stereo jack, switched, with a rock/reggae rhythm on the mid surdos.