Esu offers a Black round speakerunder reference 50331, with the following characteristics:
- This black coloured hearing device emits an electrical impedance of 4 Ohms for a diameter of 20 mm.
- The accessory is supplied with a resonance box.
Introduction to the manufacturer ESU:
Model train manufacturer ESU specialises in designing products derived from model railroading. The brand offers a wide range of electronic accessories for digital systems (adapters, power supplies, decoders, cables, digital control units, etc.). ESU also designs some railway equipment (locomotives, carriages, wagons, etc.) in HO 1/87, N 1/160, TT 1/120 and other scales.