| 摘要 |
A keyboard (3), for use with a host computer (1) having an internal audio card and input/output sockets, includes a speaker (35) and a volume control (33) therefor, the audio-signals being communicated from the host to the keyboard via dedicated conductors in a connecting cable. The keyboard may include two loudspeakers (35, 36), an earphone socket (37) and a microphone (38). <IMAGE> |
