“8 lights, 8 speakers”, 2009 by Achim Wollscheid.

»Untitled (Headset)«, 2007. A pair of headphones is altered so that one earpiece becomes a microphone, picking up its own sound from the speaker and creating a continuous feedback loop, which is disrupted by attempts to listen closer.

»Nothing (for Robert Barry)«, 2007 (Power-bar, electronic pest control devices) by Dave Dyment.

» Earphones «, 2007, 960 earphones working as speakers and 40 working as microphones, making a feedback loop that can be controlled on the mixer. By Andre Avelas .

»Feedback«, 2004 by Gunilla Klingberg

»TV Buddha«, 1974 by Nam June Paik.