LNER Original Class W1 Hush Hush LokSound V5 Sound DecoderLNER Original Class W1 Hush Hush LokSound V5 Sound Decoder The W1 sounds are generic as it was not preserved. Tech Specs: 1. 5 Amp maximum load Motor control with 50 kHz switching frequency 3 new, individually adjustable brake controls Two stage heavy duty simulation NMRA DCC with 14, 28, 128 speed steps Automatic RailComPlus detection 2 digit & 4 digit addresses Up to 32 functions in DCC operation DCC operation with RailComPlus, M4, Motorola and