Analog Speaker Accoustic Horn Amplifier Stand for iPhone 4/4S Analog Speaker Accoustic Horn Amplifier Stand for iPhone 4/4SItem DescriptionStylish Acoustic Horn Amplifier Analogue Speaker Stand for iPhone 4 FeatureBrand New Stylish Acoustic Horn Amplifier Analogue Speaker Stand for iPhone 4 Made of high quality plastic materialEffectively enlarges music volume from your iPhone 4No external power ...