AmpCase Headphone-Maximizing Amplifier for iPhone 4

The Alesis AmpCase is specially designed to make your headphones sound absolutely incredible. You'll finally experience your music like it was intended to be heard. AmpCase receives a direct injection of unadulterated, noise-free audio directly from your iPhone’s 30-pin dock connector. Unrestricted and uncolored, the signal enables you to enjoy the full dynamic range of any song.

• Offers the most dynamic audio enhancement of an iPhone ever
• Form-fitted case for iPhone 4 and iPhone 4S
• Alesis DSP technology improves musicality, dynamic range and clarity
• Ultra-precise digital output takes clean signal directly from dock connector
• Powerful, linear amplifier with large volume control
• Mini-USB jack enables you to charge your iPhone while you listen