Amazon.com has the Logitech X-540 5.1 Speaker System for $37.79 after $15 rebate plus Shipping.
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- 5.1 Surround Sound: Immerse yourself in movies and games with a full 360° of audio. n
- “Matrix Mode”: Enjoy a 5.1 surround sound effect even from 2-channel stereo sources. n
- Real-time Bass Equalization: Maximize bass response and minimize distortion. n
- Ported Down-firing Subwoofer with 5¼” Drivers: Enjoy deeper bass thanks to greater air displacement.