Cyber Acoustics CA-3602 3-Piece Subwoofer & Satellite Speaker System for $29.99. Select in-store pickup at Walmart to save on shipping. Otherwise, shipping is $4.97 or free on orders over $35. Here is a screenshot for reference. Alternatively, it is available at Amazon for $29.99 with free shipping on orders over $35. This 3-piece speaker system includes two magnetically shielded satellite speakers and a subwoofer. It also has desktop control pod that controls power, volume, and base, along with headphone jack and auxiliary input. Most places have it for about $39.