Manufacturer: Uhlenbrock Art.-No. 31101 EAN: 4033405311019 Gauge Neutral Miniature loudspeaker . These are particularly suitable for N, TT, and H0 vehicles in which only a small space is available for installations but have their own resonance body The wires from the sound module, which are described as loudspeaker outputs A and B in the corresponding manual, are soldered to the connection pads on the back of the miniature loudspeaker). 15 x 11 x 3,5 mm - 0,35 Watt - 8 Ohm