Amazon.com: Edifier P12 Passive Bookshelf Speakers - 2-Way Speakers with Built-in Wall-Mount Bracket - Wood Color, Pair - Needs Amplifier or Receiver to Operate : Electronics
Klipsch Reference Premiere Dual 5.25" 300-Watt Passive 2-Way Bookshelf Speaker (Pair) Ebony 1070017 RP-500M II - Best Buy
Donner Passive Bookshelf Speakers Pair, 2-Way Stereo Speakers for Home Theater/Surround Sound Speaker System with HiFi Vocal, 40W RMS 4 inch Wall Mount Wooden Speakers, Black - Newegg.com
The best passive bookshelf speakers for most people | Engadget