Designed for big sound in a small package. The SUMO headphones let you rock out anywhere from the subway to the studio. SUMO FEATURES Engineered to deliver the highest-quality listening experience from your mp3 player, cell phone, or other music device. Built-in microphone for use with iPhone and other mobile phones. Includes 4 different ear gel sizes TECH SPECS Driver Diameter:...
“I really loves these JVC HA-FX3X iem. I have been searching for something that can hit as hard in the sub bass as my desk 4.1 system, which I did find the Sony MDR XB950 over ear and the MDR XB90EX iem, but neither had the highs for the snare and high hat. I found the JVC HA-FX201 that has a great sound signature, but it begins to distort under huge sub bass pressure. (I make bass music) I...” --aafanatic