Märklin digital H0 6015 Booster Power Amplifier for large layouts

• H0 gauge. Märklin H0 4574 open US freight car high-sided gondola "Union Pacific" 65263 E590. Märklin H0 3109 steam locomotive tender locomotive T 18 BR 8401 K.P.E.V. / Digital. Märklin digital H0 6050 interface connection device to PC.