A set of headphones (1) comprises a connector (15) with a first connection contact (16, 17) and a second connection contact (18) as well as a loudspeaker (3, 5), which is connected to the first connection contact (16, 17) in order to supply a loudspeaker signal. The set of headphones (1) furthermore comprises a first and a second digital microphone (7, 8, 9), each of which is set up to generate a digital microphone signal, in particular with a binary bit stream. A multiplexer (23), which is coupled, at an output, to the second connection contact (18), is set up to generate a coded multiplex signal at the output on the basis of the microphone signals.