This deal has ended.
This Logitech LS21 2.1 Stereo Speakers Set drops from $39.99 to $19.99 to $9.99 after this mail-in rebate at Tiger Direct. With around $6 shipping, this is the best price we could find by $10. This set includes two speakers and a subwoofer. There is no sales tax (except FL, IL, NC, TX, GA, SD and ID).