With the supplied scart adapter, the audio signal to an external amplifier, or headphones can be forwarded. The speakers on the TV you can, because the sound is not really great, mute. The KH, or amplifier should have a volume control, because the signal is fixed. Had tried without switching to "DVD", insert a DVD. This one should not do at all costs. When "SOURCE" is changed to "DVD", the DVD will be drawn: o) Otherwise, I am very satisfied with the device.