FiiO E7 portable headphone amplifier with USB audio decoder (DAC). This product is designed to replace PC on board sound card that do not have enough output power for higher-end headphone. With USB audio decoding, amplification and audio output, E7 can serve as both a professional headphone amplifier as well as an external USB sound card.

- TI PCM2706 USB receiver, 48kHz 16-bit support for Windows XP/2000/Vista/7 and Mac OS
- Wolfson WM8740 DAC, ADI AD8692 OP Amp and TI TPA6130A Power AMP
- High performance, excellent resolution, low distortion, and powerful output
- Standard 3.5mm stereo line-in jack for portable amplification with analog audio sources
- Dual 3.5mm headphone output jack makes it easy to share music between two listeners
- Dual color OLED display with automatic key lock and sleep timer function
- Noiseless digital volume control with 60-step precision and perfect channel balance
- 3-level bass boost EQ, user definable start up volume and max volume limiter
- Specialized dock connector for use with E9 desktop amp for even higher performance
- Anodized brushed aluminum case, small and compact, strap to portable audio player
- User defeatable USB charging for lower distortion
- Build-in rechargeable 1050 mAH Li-ion battery for up to 80 hours of continuous use

Specification:
- Output Power: 150mW (16 Ohm); 16mW (300 Ohm)
- Headphone Impedance Range: 16 ~ 300 Ohm
- Signal to Noise Ratio (A Weighted): >=95dB Line In; >=100dB USB
- Distortion (10mW): <0.009% Line In; <0.008% USB - Recharging: USB 5V DC 400mA
- Size: 3.8" x 2.2" x 0.6"
- Weight: 3.5oz

What's Included:
- FiiO E7 USB DAC and Portable Headphone Amp
- USB Data/Charge Cable
- 3.5mm-to-3.5mm Audio Cable
- Silicone Skin Sleeve/Case
- Silicone Strap Band
- User's Manual

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