Fii O E9 Portable Headphone Amplifier The Fii O E9 is a full sized headphone amplifier. Its unique design allows for the docking & charging of the Fii O E7 DAC. With two audio jacks a 3.5mm & a 6.5mm you can chose the output to suit your preference. The 3.5mm plug this jack has a lower output range for 5d B under the same volume condition to prevent the headphone or hearing damage due to the high range of output. The gain switch means that you can customise the output your headphones receive
- pull the switch upward for high gain suitable for headphones with high impedance or low sensitivity; or flick it down for low gain suitable for low impedance or high sensitivity headphones. The Line left & right line out ports allow you to hook up your desktop speaker system to your new E9 amplifier which will deliver the ultimate audio experience. Get the most from your music with the Fii O E9
- check out the features below Two channel power output suitable for both of headphone with 3.5 & 6.35mm. Main power amplifier use the TI corporations it with 5u Vrms noise low distortion 0.00014%. THD + N; high switching rate 1300V/u S current-feedback model IC:TPA6120 With on/off mute function; usingsealed relays for protecting power amplifier output; using ALPS sealed low noise potentiometer Internal audio buffer amplification BB OPA2134: FET input with advantages of low noise:8n Vsqr Hz; low distortion 0.00008%THD; high switching rate: 20V/u Sand so on E7 special base perfect realization USB (Universal Serial Bus) connection with audio decoding DAC also can to E7 charging LOW (10d B ) /HIGH (18d B) gain choice Two audio output: one is the 3.5mm port of E9 (adjustable output); another one is port of RCA output (fixed/ unadjustable output) Built-in power converter module high efficiency high precision & low noise to meet.. .