The Logitech 2.1-channel Z623 home speaker system is down to $79.99 on Amazon. We saw this system drop this low once before in mid-July at Dell and you can still get it there, but it has never gone this low on Amazon. It more regularly sells for around $100 and often as high as $120.

This THX-certified speaker system features 400 watts of peak and 200 watts RMS to kick up the sound of your entertainment setup. It has on-speaker controls for volume and bass along with RCA and 3.5mm inputs allowing you to plug in up to three devices at once. Two satellite speakers are included along with a powerful subwoofer. You'll also receive a two-year warranty with this purchase.

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