iPhone 4 Horn Amplifier
Posted by dubbers64 from cdn.shopify.com
Pin it! Slip the BONE Horn Stand onto your iPhone 4 for lo-fi amplification simplicity. Using old fashioned acoustical science, this silicone stand adds 13 decibels of sound pressure to your iPhone 4 speakers without asking for any battery juice. You can also use it to prop your iPhone 4 into a vertical or horizontal viewing position. http://www.maxtonmen.com/products/iphone-4-horn-amplifier
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