The Remote Audio NP-1 battery adapter features a 4-pin Hirose output. The adapter interconnects an NP-1 battery to the 4-pin power input on compatible devices. Among the compatible devices are the SQN-4S, PSC M4mkII, M3 & AlphaMix, Sound Devices MixPre, 302 & 442, Wendt X5 and Sony WRR 862 and 861 Receivers.