Amazon.com: GoHawk TN4-R Amplifier 4" Full Range Waterproof Bluetooth Motorcycle Stereo Speakers 1 to 1.5 in. Handlebar Mount Audio Amp System Harley Touring Cruiser ATV UTV RZR, AUX, FM Radio (TN4-R Black) :
ESU HO 59619 LokPilot 5 DCC/MM/SX/M4, 21MTC NEM660, Retail no wires, G – Euro Model Trains