ELYPS AM acoustic modules: ELYPS AM – Piezoelectric acoustic module with 2 sounds (continuous and intermittent) over 2 channels (1+1). It allows using both channels, by connecting 2 of the 7 available contacts of the wiring module. ELYPS AM S – Magnetodynamic acoustic module with 16 sounds over 2 channels (8+8). It allows using both channels, by connecting 2 of the 7 available contacts of the wiring module. For each channel it is possible to select the sound via dip-switch.