Amazon.com has a Logitech R-20 Speakers for $12.99 with Free Shipping.
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- Total Power – 12 watts RMS — 6 watts RMS satellites (3W x 2), 6 watts RMS subwoofer n
- Drivers – 2 high excursion driver (Satellites); 4 high excursion driver (Subwoofer) n
- Signal-to-noise ratio – >70dB n
- Speaker Dimensions(HxWxD) – 7.75 x 3 x 3 (Satellites); 7.5 x 5.5 x 6.25 (Subwoofer)