You can buy speakers used - this is a New Zealand sight. You might want to speak with the seller to make sure there are no issues with the speaker.
You can also pick up a tuner here too.
http://www.trademe.co.nz/structure/listings/listings_search_results.asp?searchtype=GENERAL&searchstring=speaker&searchregion=100
You can also pick up a tuner here too.
http://www.trademe.co.nz/structure/listings/listings_search_results.asp?searchtype=GENERAL&searchstring=speaker&searchregion=100