Enhance the sound quality of your model railroad setup with the ESU DCC sound decoder V3.5. This high-quality decoder is compatible with DCC control systems and has a voltage of 20V. It comes with two 28mm speakers that have a resistance of 100 ohm and a power of 0.5W. The decoder is made in Germany and is suitable for HO gauge model trains. The ESU DCC sound decoder V3.5 is perfect for adding a realistic touch to your model railroad setup. It is designed for use with digital control systems and has a scale of 1:87. This decoder is compatible with various models and is an excellent addition to any setup. Get your hands on this high-quality decoder today and enjoy the improved sound quality it offers.