FiiO E3 3.5mm Earphone Volume Booster Power Amplifier (White)

SKU: 14303 (Added on -)
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FiiO E3 3.5mm Earphone Volume Booster Power Amplifier (White)
Manufacturer's product description:
The smallest portable headphone amplifier in the world!
Improves the sound quality for MP3 MP4 Players Computers or Mobile Phones when using earphones or headphones.
Save your player battery and lengthen the play time when playing music.
It’s not about volume but Quality. A great pair of headphones can change you're listening experience--but only if they are driven well and properly powered. Put an E3 Headphone Amplifier between your music source and your favourite pair of headphones or earphones for an awesome personal listening experience right between your ears.
Designed for high impendence and low sensitivity headphones, with bass boost function;
Small and easy to carry and use in the outdoors;
Increase your music player's play time;
Uses only one AAA battery, for 20 hours playtime.

Specifications:
Output Power 70 mW (32 ohms Loaded)
12 mW (300 ohms Loaded)
Signal to Noise Ratio >= 90 dB (A Weight)
Distortion < 0.05% (10 mW)
Frequency Response 10 Hz - 40 kHz
Suitable Headphone Impedance 16 ohms - 300 ohms
Weight 11 grams (without battery)
Power Supply 1 AAA Battery
Dimensions 55 mm x 23 mm x 14.5 mm



Dimensions: 2.17 in x 0.91 in x 0.57 in
Weight: 1.52 oz

All packages from DX.com are sent without DX logo or any information indicating DX.com. Due to package variations from suppliers, the product packaging customers receive may be different from the images displayed.

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Quantity 3+ units 5+ units 10+ units
Rate USD$ 7.02 shipped USD$ 7 shipped USD$ 6.97 shipped

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Customer Reviews

Average Customer Review (18 customer reviews) 4

100% of customers would recommend this product to a friend (18 out of 18)

  • 5 star: 12 (0%)
  • 4 star: 4 (0%)
  • 3 star: 2 (0%)
  • 2 star: 0 (0%)
  • 1 star: 0 (0%)

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  • I like it.

    posted by discofreakboot on 12:14:41 G11T 16/11/2009 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: It boosts the output power of any device I use it with. It drives my high-end headphones and earphones very well. I tested with more than one pair. The bass kicks! Way better than my laptop and iPhone can put out. Runs on a single AAA battery. I use rechargeable batteries and it works great for hours.

    Cons: Slight noise when you use really good headphones. I have a pair of Shure SCL3 earphones and a set of Sennheiser headphones. I got a slight hiss in both sets, but it's not as noticeable when there's music playing. The noise didn't seem to be there when I used it with a set of earphones I bought here on DX.

    Other: Get it if you're looking for a better listening experience than your portable devices can deliver. Don't get it if you're a professional and need an amp for doing serious work. But if you're a pro, then you shouldn't be looking at headphone amps this cheap anyway.

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  • Mediocre sound quality and poorly built

    posted by Inocybe on 20:31:03 G6T 29/06/2009 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: - Cheap
    - Does rise the sound level a little
    - Nice box

    Cons: - Mediocre sound quality
    - Far from rated power boost
    - No volume control, always on max
    - Very poor shielding
    - Strange battery handling

    Other: This one was a mistake! The amplifier looks OK in it's plastic form, and so does the box. But it stops there. The sound quality is mediocre, far from what many other boosters can do.
    The boost level is far from what is rated. My 2x18mw iRiver produces as much gain as this one, and with much better control. And yes, I have given it a high enough in-signal ;)
    WARNING!! It's unshielded. So, if you're planning to use it with a mobile phone, it may pick up those beep beep noises. since the sound level is always on max, this will produce an extremely loud noise into your ears. Happened to me, and my ears was ringing afterwards. tested this with three different mobile phones. it picked up all three.
    It has no volume control. This means that it's always on max. Not good for battery life, and not good at all for signal noise.
    It uses a single AAA, this is good. But, that also limits it's power boost. A 3.6v booster should deliver more boost, with better control. One strange thing; When the battery power gets low, the output (or the led) doesn't get weaker. In stead it simply shuts off at times, and starts again to continue.
    If you don't care about good sound quality, don't plan to use it with (or near) a mobile phone and need a little power boost, this may be for you. For the rest of you, stay away!

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  • Awesome product!!!

    posted by mc899ftjesus on 06:09:37 G6T 22/06/2009 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Everything! It provides great sound quality, a boost in volume and a bit more in the low end. And at this price it really can't be beat. Great build quality, no worries about putting it in your pocket. And it's tiny so it can go anywhere.

    Cons: None

    Other: It's compact, sounds amazing, and it's cheap... buy it!

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  • Great thing to have for 7 bucks

    posted by NetRunner7 on 20:57:46 G2T 10/02/2009 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: It amplifies volume by a little (so lower energy consumption on your mp3 player) on on almost every headphones it shows some improvement.It works good with Philips She-9500 , Koss The plug and finally on my AKG K-530 it works wonders. Absolute must for any headphones that somewhat lack bass

    Cons: No power switch - you have to plug out your headphones to turn it off

    Other: One of the best ways to spend 7 bucks

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  • Cheap and improves your music very nicely!

    posted by superrob on 16:58:27 G1T 12/01/2009 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Amplyfies the input into alot clearer and louder output.
    Really boosts bass and makes my ipod earphones sound alot more expensive.
    It has a Apple style design which goes nicely together with my iPod :)
    Also its very lightweight and small.

    Cons: No power off button (Dont really know if its taking power all the time or not)
    Nothing more bad about it.

    Other: Cheap, Better music for your mp3 player of choice and got a nice apple style design.

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  • boost your earphones

    posted by naveh89 on 01:36:50 G1T 12/01/2009 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: well built
    loud voloume
    easy to use
    consume little power
    small sized
    useful when used with a FM transmitter
    packaging is good
    cheap.

    Cons: No power on/off button available
    Maybe too strong bass but it depends how you use it, if you use it on earphones or speakers it's a little too strong.

    Other: it's great booster to volume,
    for this price you have to get one.

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  • It's good clean sound...almost anywhere

    posted by E_Man on 22:08:40 G12T 30/12/2008 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: A good volume boost and some cleaner sound is what await your ears when using this device. I've test with a range of different headphones and speakers, as well as sources of music. All show some benefit, while some is way more noticeable than others. On cheaper headphones the cleaning is great, the volume boost is nice. On $100 Sennheiser's, only the volume boost is as noticable (and even not as much) It runs off of a single AAA, so power should be readily available.

    Cons: I'm still undecided about this, so I'll list it here. There's no power switch, sorta. When you plug headphones in, it comes on, take them out, it goes off. Basically, don't leave headphones plugged in or it drains the battery. As stated above also, some equipment will have little effect with this in the mix.

    Other: It's a good buy, FiiO seems to be a good company. I bought sku 15477 to use as a 1 package alternative. I hope to have the same results from it as well. Maybe you want to look at the new E5?

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  • Wonderful little device

    posted by patrickbateman on 09:43:12 G12T 22/12/2008 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Very well built
    Strong amplification
    Very easy to use
    Very low power consumption
    Very small
    Very useful when used with a fm transmitter
    Help mp3player batteries to last longer
    Nice packaging
    Very cheap

    Cons: No on/off button
    Maybe a little too much bass but it depends how you use it, if you use it on earphones or speakers

    Other: I use it everyday, it's a great piece of cheap-but-perfect hardware.
    You need one ! ( at least)
    Nothing else to add!

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  • Great Product! Must buy!!!

    posted by Dvazquez5138 on 02:03:52 G11T 29/11/2008 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: I was surprised how much louder this made my devices! I purchased it for my Nintendo DS lite, which didn't have much audio oomph even with really good earphones. It actually hurt my ears to have the volume up all the way!

    Cons: Could be smaller, but I don't see how that's possible since it's not much larger than the AAA battery that powers it. Battery will be drained if not removed, as there is no power switch.

    Other: Paired with the mettalic earbuds on this site, you have the perfect addition to any audio/video device. Just make sure not to have your volume turned up too much! ;-)

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  • Very good deal, does what it says

    posted by sciwhiz on 17:52:36 G11T 27/11/2008 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: -Red led is nice
    -Gives more bass
    -Gives more warmth
    -Power time is excellent (about 15 hrs)
    -Power source is excellent (AAA bats)
    -Reduces listening fatigue

    Cons: -Needs a power switch but I got used to unplug it
    -Makes bass a little muddy
    -Plastic is cheap (not broken yet though)

    Other: All my college friends love it
    very good deal for the price. you should get one just to try it.

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