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FiiO E7 USB DAC and Portable Headphone Amplifier

3.6 out of 5 stars 228 customer reviews
| 19 answered questions

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  • USB audio decoding and output for PC, functioning as a high quality external USB soundcard
  • 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
  • And Dual 3.5mm headphone output jack. Convenient design makes it easy to share music between two listeners
  • This model supports driverless plug and play on Windows XP, Windows 2000, Vista, Windows 7, and various Mac OS
  • You can find the newer version of the model here : www.amazon.com/dp/B00A9LHLQ6
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Technical Details

  • Model Number: E7-BK

Product Description

The FiiO E7 USB DAC Headphone Amplifier (Black) is the successor to the E7, with updated 24/96 USB DAC and a powerful headphone amp. With a host of new features including gain selection, hold key and independent bass and treble adjustments. It can bring you to experience the high quality acoustics playback. Lossless music format (96 KHz/24 Bit) contains details that ordinary CD (44.1 KHz/16 Bit) does not embody. On the basis of former E7, ANDES (E07K) added some functions which include right & left channel balance settings, bass and treble adjustment, line output, gain selection and hold key.

Product Information

Product Dimensions 3.8 x 2.2 x 6.1 inches
Item Weight 9.4 ounces
Shipping Weight 10.6 ounces
Item model number E7-BK
Batteries 1 Lithium ion batteries required.
Customer Reviews
3.6 out of 5 stars 228 customer reviews

3.6 out of 5 stars
Best Sellers Rank #63,727 in Electronics (See Top 100 in Electronics)
#307 in Electronics > Car Electronics > Car Audio > Amplifiers > Multichannel Amplifiers
Date first available at Amazon.com March 26, 2010

Warranty & Support

Product Warranty: For warranty information about this product, please click here


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Customer Reviews

Top Customer Reviews

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Length: 9:39 Mins
First off, please know that the E7 works BEST as a DAC/AMP combo when connected to a computer via USB or connected to a media player that has a dedicated line out (I'm not talking about the pre-amped 3.5 mm headphone jack on your mp3 player...but instead, a dedicated line out jack that bypasses the built-in amplifier of your media player). Portability wise, the E7 is absolutely perfect when carrying around your laptop and wanting to hear some high quality audio bliss while on the road or at the local coffee shop (or at the kitchen table in my case).Sound quality is truly amazing for the price you are paying, and it uses some near-audiophile grade electronics inside. Considering its price point, FIIO packed in a truly nice selection of options as well.

I consider the DAC/AMP to have a very clean and slightly colored sound quality that is comparable to portable amps in the $150 - $250 price range. Very little hissing is evident when the volume is turned up, leaps and bounds less hissing than if you were to connect your earphones/headphones directly to the headphone jack of a laptop/mp3 player. Besides expected sound qualities found in other high-end DAC/Amps of this class, the E7's trump card is the ability to pump out some pretty clean BASS using the built-in BASS settings **while** maintaining it's excellent sound characteristics. The well controlled BASS doesn't kill the mids and highs commonly seen in cheaper audio setups (just be cautious of maxing out the bass to lvl 3...it tends to muffle out the mids and highs just a tad. I found that lvl 1 or 2 on the BASS settings is perfect).
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I don't have any other portable headphone amps to compare this to, but I do own a Nuforce Desktop amp, which runs more than 4x the price of the Fiio E7.

This little box ROCKS. Great build quality, it looks like a high end piece of audio equipment.

Includes a 3.5MM gold-plated cable, a rubber sleeve, a soft case, a black band for the amp and your MP3 player, and a miniUSB to USB cable. Everything you need is there.

Plugged it into my laptop right away to charge the batteries. The "Fiio" logo lights up when it's charging, nice touch.

The screen is a really nice touch. Pretty much all the portable amps in this size and price range do not have any screen. Of course, you don't need it, you plug your input, your `phones and adjust the volume. But the screen is very high quality, and really adds to the unit, in my opinion.

The digital volume control took a bit to get used to, if you move it up/down several steps, it doesn't just ramp the sound up/down instantly like a dial, but changes it slowly to the new setting. Volume changes are smooth and there's no noise.

Sound quality? Oh yeah. At the moment I'm using the analog-in connected to the Nuforce iPod adapter output. The sound is amazingly clear, and gets quite loud with no distortion. I'm just plain amazed at the sound from this tiny amp. I mean, sure, it's only driving 32ohm headphones, and the source material is basically CD quality, but wow.

Rip one of your favorite songs with Lossless quality, listen to it through the headphone jack on your player, then plug it in through the E7 and listen to it again. The difference is shocking. So far I've only been able to use it with my Grado "iGrado" headphones, but the difference is evident immediately.
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Headphones are not meant to be run from crummy jacks. I realize most people would never consider this, but considering how ubiquitous headphone listening has become, it's an essential fact we should share with others. Furthermore, most good headphone jacks aren't even designed with the ability to properly drive the majority of headphones that are low impedance. That's startling.

I'm astonished at the measurements this headphone amp just produced through RMAA and how good the waveforms look in TrueRTA. At the price this is going for, I recommend the E7 for anyone with good headphones. Everyone. If you own a good pair of headphones (or more than one pair), buy one. Used, new, refurbished. Just buy one. Heck, it even makes cheap bundled earbuds sound better, which tend to suffer from severe bass roll-off (even more than is inherent to them) and unnatural highs directly from most laptops, home receivers, and portable players. As bad as those earbuds are, it's curious how improved they are with this.

Aside from its limited maximum output into low sensitivities AND high impedances, its performance is as-good or better than the Grado RA1, and you get a somewhat decent USB DAC and two whole separate headphone amps in the E7. The digital volume control also has no significant channel imbalance at ANY SETTING. Fantastic. Like most headphone amps that have AC/USB and battery options, its performance is slightly better on battery power. Both the jacks on top are independent, with only a slight reduction in some performance as they share a common power supply section. That reduction in performance when both jacks are used is mostly less than when you're on USB power, by the way.
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