DealExtreme: $8.50 FiiO E3 3.5mm Earphone Volume Booster Power Amplifier (White)

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

Price: $8.50

SKU	14303
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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

To enable volume discounts on this site, use coupon code: BULKRATE during checkout. You will see a discount applied at the bottom of the shopping cart. Competitive pricing is available. Contact us for details.

Quantity	3+ units	5+ units	10+ units
Rate	$7.70 shipped	$7.60 shipped	$7.50 shipped

What is Bulk Rate? BulkRate is a semi-wholesale system with items priced separately from retail. When you use bulk rates, a flat $1.70 registered air mail fee will automatically be added to your cart to ensure delivery of package. While BulkRate's intention is to offer cheaper prices when you buy in bulk, because it is priced separately it on occassions show a higher than retail price. That's why we ask you to enter BULKRATE as a coupon code to manually activate the rates. You can always opt not to use the bulk rates. If you are looking for wholesale prices please feel free to contact us.

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Visitors' Ratings

(9 votes, submit rating)

Reviews

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Displaying reviews posted by certified DX gadget owners first, followed by all other posted reviews.
Get one!

Posted by victorious on 8/4/2008
Involvement: Expert (understands the inner workings) - Ownership: 1 week to 1 month

Price:
Ease of Use:
Build Quality:
Usefulness:
Overall Rating:

Pros: Even tinier than expected
Low price
Significantly increased sound quality when using headphones (at least with my Shure E2, Beyerdynamic DT511 aned even the Koss Portapro)
Battery lasts a long time
Even packaging is one of the best I've seen for cheap Chinese products.
 
Cons: Should have a power switch (have to disconnect headphones)
Could have a volume knob (although I don't really miss one, always having it connected to a computer or ipod)
Culd be USB-powered to avoid having to go recharge the battery every other day.
 
Other Thoughts: If you use headphones on a regular basis, I would strongly recommend this.
 
Bottomline: Get one!

AWESOME !

Posted by akg7091 on 7/30/2008
Involvement: Expert (understands the inner workings) - Ownership: 1 day to 1 week

Price:
Ease of Use:
Build Quality:
Usefulness:
Overall Rating:

Pros: This thing is the best value for money  amplifier available. Sound is very nice compared to just my ipod. The amplifier is very small, and is very easy to carry around. 
It uses a single AAA battery which are easily available. 
The amplifier looks expensive and the packaging is also good.
 
Cons: There is a slight hiss with low impedance phones. However, it is not noticeable while listening.
There is no off switch, so the phones have to be removed after use.
 
Other Thoughts:  

Bottomline: Get it
This will be one of your best purchases on DX ever

Extremly portable headphone amp.

Posted by Jack4L on 7/29/2008
Involvement: Expert (understands the inner workings) - Ownership: 1 day to 1 week

Price:
Ease of Use:
Build Quality:
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Overall Rating:

Pros: - Small Size. You'll hardly even notice it.
- Cheap. Cant get any amp for under 10$, cant even build one for that much.
- Automaticly shuts off when headphones are not inserted. Helps save batery life.
- Led power indicator, shows when its actualy powerd and when its offline.
- Comes with a 3.5mm interconnect. Usefull if this is your first pocket amp.
- Uses easy to find AAA batteries.
- Possible to attach onto a lanyard. While no Lanyard is supplied, still nice to have it there.
- The looks are very minimalistic, and sleek.
- Build Qualiy, while nothing truely amazing, theres no rattling parts or easy to break nobs on it. Has that, heavy and sturdy feel to it, once you put a battery into it
 
Cons: - No volume control. Not really a problem, aslong as your player can control the volume. May be an issue if your intending to use it with a player that can output audio with a true line-out function.
- No clip. At this size, it would have been nice to have some way to just attach it to your clothing, lanyards are good, but this thing is so small and light a clip would have been perfect.
- Interconnect is abit too long. Most people keep there player and there amp in the same pocket, the interconnect is alittle too long. So its too long, and not long enough to be a usefull trait.
 
Other Thoughts: The amp boosts the lower end quite abit, this can be a good thing or a bad thing. For me it was a good thing, because I was intending to use it with a power hungry set of in ear monitors (IEM) that also are abit of weak in the bass department. However, I wouldn't recomend using this amp with an already bassy set of earphones, or earphones that you already like the sound of. It wont add anything new, or improve it so dramaticaly.
Remember to mention which amp your looking for, Black or White.
 
Bottomline: If you have a demanding set of earphones or headphones, and you just dont seem to get to that sweet spot while listening to your favorite player, this little thing can give it abit of a boost.
This kinda thing belongs on every gadget geeks utility belt. I got one, and I'm already looking to get another one ;)

Chaud

Posted by girou on 7/17/2008
Involvement: Expert (understands the inner workings) - Ownership: less than 1 day

Price:
Ease of Use:
Build Quality:
Usefulness:
Overall Rating:

Pros: Alors là, achetez !!!
- Design sympa
- Prix 
- Performance
- Taille
- Avec pile donc ne pompe pas la batterie
Le son n'est pas révolutionné avec cet ampli mais on se retrouve avec un son plus clair, plus chaud et des basses plus forts, parfait avec mon nouveau Nano
 
Cons: Petit défaut esthetique cependant...le cache pile est de mauvaise qualité.
Un gros defaut serait son absence une fois que l'on y a gouté :D
 
Other Thoughts: --
 
Bottomline: Je pense en commander pour la famille,ayant testé, ils trouvent également que le son est meilleur.

Specifications

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

Usage Instructions