FiiO E7 headphone amplifier for iPad, ipod, iPhone de

Ausgangsleistung: 

  150MW (16ω); 16mW (300ω) 

Kopfhörerimpedanz Bereich: 

  16 ω ~ 300 ω 

Signal / Rausch-Verhältnis: 

  ≥ 95dB (A weighted) on line-in; 

  ≥ 100 dB (A gewichtet) am USB-Eingang 

Verzerrung: 

  <0,009% (10mW) on line-in; 

  <0,008% (10 mW) auf USB-in 

Frequenzbereich: 

  10Hz ~ 1000kHz 

Stromversorgung: 

  interne wiederaufladbare 1050mAh Li-Ion Akku 

Aufladen: 

  USB 5V DC 400mA 

Größe:   96mm x 55mm x 15.5mm 

FiiO E7 portable headphone amplifier with USB audio decoder (DAC). This product is designed to replace PC onboard soundcard 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 soundcard.

Main Features：

●USB audio decoding and output for PC, functioning as a high quality external USB soundcard (This model supports driverless plug and play on Windows XP, Windows 2000, Vista, Windows 7, and various Mac OS);

●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 3.5mm stereo line-in jack for portable amplification with conventional audio source;

●Dual 3.5mm 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.

Specification:

●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 ~ 1000KHz

●Power Supply: 

Internal 1050mAH rechargeable Li-ion battery

●Recharging: 

USB 5V DC 400mA

●Size: 96mm x 55mm x 15.5mm

●Weight: 100g

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