Vibrate Dual Speaker EarphonesDual Coil Earphones These are our best available earphones, by some distance. If you thought your earphones had great sound, you clearly havent heard the Vibrate Dual Speaker Earphones! Like the name suggests, it literally has TWO speakers in each earphone making a grand total of four! These speakers allow extraordinary sound quality, superior to most earphones out there! Tremendous Bass The dual speakers allow TREMENDOUS base! Base so powerful you