USB External 5.1 Channel Audio Adapter with Duplex Playback
By Vantec Thermal Technologies

The Vantec NBA-100U USB 5.1 Channel Audio Adapter is an amazing audio accessory for any computer with a USB port. Its 5 audio connections provide both great stereo input and 5.1 channel surround sound output performance from your laptop or desktop without installing additional hardware. The NBA-100U ... 

iPod Voice Recorder with Dock Connector
By Belkin

Designed for iPod! The Belkin Voice Recorder lets your iPod double as a personal recorder. Now you can record memos, lectures, interviews, or conversationssimply by plugging in to your iPod. The iPod's abundant storage capacity lets you store hundreds of hours of high-quality audio. You can easily review your audio notes using the built-in speaker, your earbud headphones, or your computer. ... 

Subwoofer Amp Kit with Na Power Cable 110V - SS VTX 1000
By Polycom

Woofer - Connectivity Technology: Cable - Frequency Response: 80Hz to 300Hz - Product Model: 2200-07242-001 - Dimensions: 9.2" Height x 5.2" Width x 8.7" Depth - Amplifier: Built-in - - ...