Audio
| Frequency range |
10 - 300000 Hz |
| Total Harmonic Distortion (THD) |
0.004% |
| Output impedance |
0.3 Ω |
| Signal-to-Noise Ratio (SNR) |
106 dB |
| Gain |
8 dB |
Battery
| Battery life |
10 h |
| Charging time |
3.5 h |
Portable Headphone Amplifier
The FiiO E11 is a portable lightweight metal cased headphone amplifier. This is compatible with all Apple products and mp3 players. This comes with a rubber band to join it to your phone or mp3 player. The E11 has a built in rechargeable lithium battery and USB charger, allowing you to charge on your PC or with a USB adapter.