World Wide Stereo offers the Boston Acoustics MC200 Air Wireless Speaker System in Black, model no. MC200AIRB, or White, model no. MC200AIRW, for $150. Coupon code "BENS200" trims the price to $139 with free shipping. That's a buck under last week's mention and the lowest total price we could find by $10. (The MC200 Air commonly sells for around $200.) Designed for streaming audio from Apple iOS or Android devices, it features two integrated 3.25" speakers with a frequency response of 70Hz to 20kHz, wireless connectivity, Ethernet connectivity, USB connectivity, 3.5mm auxiliary input, 3.5mm headphones jack, and remote control. Coupon expires October 27.