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Best Buy has the Logitech Z520 Speaker System for $50 with free shipping. Normally around $100. Features Logitech's 360-degree sound, two-way design, 26 watts (RMS) of power, auxiliary input, headphone jack.
$50
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I have better 2.0 speakers from the early 90's that'll blow this one to pieces.
I actually have this set on my desk. For $50, they are decent but certainly not the best computer speakers I've owned.
Hmm, these have 14.4VDC / 2.5A power input, so even if a very efficient design where there's at most 1.4V drop across a couple output transistors in the amp chip output stage, that's still 13VDC max rail to rail.
Even if the speaker is only 4 ohms, 13V/4ohm = 3.25 amps per channel, EXCEPT that both channels have to operate within the shared 2.5A limit of the PSU so the max is 1.25A per channel.
That limits effective voltage to 4ohm * 1.25A = 5V, so 5V * 1.25A = 6.25W per channel or 12.5W total, not 13W /channel.
Granted, you won't usually find a decent 2.0 system with 26W RMS for $50, and I don't even think a 2.0 set this size needs 26W RMS, but I'd expect a little more honest rating from a major brand.