the speaker is in the lighthouse in the bottom left-hand screen. On the left side of your map
In light house by the steps closest two the piano chair
In the Nightclub.
The Club Penguin Sensei seems to be rigged, AKA Impossible to defeat unless you have reached the final Ninja Belt or other articles of clothing in the other Ninja Dojo's such as the Fire Dojo and Water Dojo.
Are you even kidding i have no idea so not trying to be wierd but what is Club penguin????
The speaker for December 23, 2010 is in the Night Club, near the bottom of the stairs. Check Club Penguin Insiders for a picture of the speaker. You have to kind of get behind it.
You Can Not
The "harmful" speaker is the lowermost speaker on the stage in the lighthouse.
It is the green puffle on the speaker in the night club
the speaker's at the lighthouse right at the bottom of your screen at the left
in the night club the speaker with the green puffle on it
The dangerous speaker is in the Lighthouse. You can find it by going to the speaker at the side of the screen near the piano. ;)
you go to the night club and there is a speaker that will lead you to the boiler room