A member for producing an audible sound in a vehicle including a speaker area having an upper surface and a lower surface, the speaker area being located on the member. The user’s acceptable level of service may be predefined with a threshold quality level stored in the user’s Call Processing Record in the AIN Integrated Services Control Point. A second hollow shaft is arranged at a distance from the first hollow shaft and coaxially about the end, facing away from the tool holder, of the first hollow shaft, which second hollow shaft is mounted such that it can rotate about its axis and can be driven by the electric motor. When each bellows is moved from the extended to the retracted position air is expelled from the bellows. Since the valid period of the first input signal relative to the clock signal can be minimized, the transmission rate of the first input signal can be increased.