Review: Kmart's $2.50 mushroom amplified speaker

1,871 views · Published 4 June 2016 · 5:01 · Indexed 20 October 2026

Channel: Amateur Radio VK3YE · 2016 · Science & Technology

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A review of Kmart's mushroom speaker - currently on special for $2.50.  Does it do more than what it says on the packet?  Is it useful for use with homebrew receivers that may have insufficient volume?  What are its audio band pass characteristics?  Watch and find out.

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