Harry Norman have a bunch of speakers reduced. Thought the Harman Kardan was one was worth highlighting (3 colours available) but some others include:
HP Mini Speaker $24 (RRP $60) - also 3 colours available
http://www.harveynorman.com.au/catalogsearch/result/?q=hp+mi…
Logitech X50 $24 (RRP $50) - again in 3 different colours (Officeworks has them for $23 but couldn't find stock in Melbourne)
http://www.harveynorman.com.au/catalogsearch/result/?q=logit…