On sale! (normally $159) The Sound Blaster E3 is a headphone amplifier that gives you high audio quality performance with music streaming wirelessly to your smart mobile devices. It supports USB audio streaming from the smart mobile devices as well, providing a higher grade of quality than Bluetooth. Free up your phone. Music is streamed via Bluetooth (without wires) to the Sound Blaster E3. So even if you chuck your phone into your bag, you can control the music playback, as well as the volume, remotely via the Sound Blaster E3. When a phone call comes in, a simple press of a button on the Sound Blaster E3 allows you to answer the call.