FiiO E7

E7 USB DAC + Headphone amplifier

with high power output (135 mW / channel) can be used as a standard portable headphone amplifier or a standard USB DAC, with line out function.  

First, with a 128*64 OLED display, user can control the device more convenient. For example, user can control the volume more accurate with the volume display, and set the input mode, bass boost function, sleep mode, and such etc; and with the display, user can check out the battery level, working situation, the manufacturer is glad to see that FiiO is the first brand install this function in a portable headphone amp+USB DAC in the world

Main Features
● USB audio decoding and output for PC, functioning as a high quality external USB soundcard*
● Texas Instruments’ PCM2706 serves as USB receiver. For better sound quality, a Wolfson WM8740 serves as digital-to-analog convertor (DAC), pairing with a high performance operational amplifier from ADI for the DAC circuit
● Build-in headphone amplifier utilizing AD8692 and Texas Instruments’ TPA6130A as pre- and power-amp for high performance, good resolution, low distortion, and powerful output
● Standard 3.5 mm stereo line-in jack for portable amplification with conventional audio source
● Dual 3.5 mm headphone output jack. Convenient design makes it easy to share music between two listeners
● World’s first portable headphone amplifier with dual colors OLED display
● Easy to use digital volume control function with great precision and channel balance
● Build-in EQ for 3 levels of Bass Boost
● Build-in rechargeable 1050 mAh Li-ion battery for 80 hours of continuous operation**
● Specialized dock for connecting E9*** to experience an even higher performance
● Quality anodized aluminum satin finish case design, small and compact, ideal to be wrapped together with digital audio player
● User selectable USB charging function to help prolong battery lifespan and lower distortion from power supply circuit
● User definable startup volume memory and maximum volume limiter to protect user from hearing damage due to loud volume
● Automatic keylock feature 
● User definable sleep timer function and total runtime display****

* This model supports driverless plug and play on Windows XP, Windows 2000, Vista, Windows 7, and various Mac OS.
** Full battery charge via computer USB port after 200 minutes and capable of 80 hours of continuous operation, tested under laboratory condition for evaluative purpose only.
*** E9 is a desktop amplifier with greater output, better performance and an integrated E7 specified dock connector. With the dock, E7 can easily establish a line-out connection with E9 and transform both together into a high performance desktop amp with USB decoding function, capable of PC connection and recharging functions, etc.
**** Total system runtime will accumulate from the first use. It will be reset to zero after either reset button is pressed, reloading default setting, or when the battery depleted


Specifications:
● Output Power: 150mW (16Ω), 16mW (300Ω)
● Headphone Impedance Range: 16 Ω ~ 300 Ω
● Signal to Noise Ratio: ≥95dB (A weighted) on line-in, ≥100dB (A weighted) on USB-in
● Distortion: <0.009% (10mW)on line-in, <0.008% (10mW) on USB-in
● Frequency Range: 10Hz ~ 100kHz
● Power Supply: Internal 1050 mAh rechargeable Li-ion battery
● Recharging: USB 5V DC 400mA
● Size: 96 x 55 x 15.5 mm
● Weight: 100 g

Accessories:
  3.5 mm to 3.5 mm audio line
USB-A to mini USB charge line
Silicone band
Carry bags velvet and silicon