DealExtreme: $6.25 FiiO E3 3.5mm Earphone Volume Booster Power Amplifier (Black)

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

Price: $6.25

SKU	14823
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Overview

Buy 3+ and Save ($5.17 ~ $5.37)

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In Stock: ships in 2 to 4 days (5 to 8 during new year season)

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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	$5.37 shipped	$5.27 shipped	$5.17 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

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Reviews

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Displaying reviews posted by certified DX gadget owners first, followed by all other posted reviews.
Good unit - Seems to boost sounds at least at 30%

Posted by marciov on 7/31/2009
Involvement: Expert (understands the inner workings) - Ownership: more than 1 month

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Pros: It boosts sound a lot. 
During running i use my mp3 player to hear some lessons recorded at classroom. Since there's lot of ambient noise, sometimes records are not loud enough. NOW I CAN HEAR IT CLEARLY.
For music is ok, also.
Solid construction in good plastics.
 
Cons: - Beware with the higher sound. It will be about 30-50% higher than you're used to and there´s no way to decrease volume.
- No on-off switch. Unplugging cable is the only way to turn it off, if you prefer to remain with battery.
- No by-pass circuit: hear loud or nothing.
- No clip
-
 
Other Thoughts:  
Bottomline: WORTH EACH CENT PAID!!!
 
					

Simply the Best

Posted by onlineaddicted2 on 7/1/2009
Involvement: Expert (understands the inner workings) - Ownership: 1 week to 1 month

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Pros: -Price is cheap, just buy another cheap earphone this will boost up sound in every way bass and treble.
-Work delivery better sound on Notebook to Portable speaders, Significant improve around 30~40% sound level compare.
 
Cons: -No power on/off, with 1 AAA battery energizer disposal last 14 hour not 20 hours as manufacture rate.
-No belt clip
 
Other Thoughts: -extra belt clip will much better.
 
Bottomline: just buy it if you love bass boost, this will do the job for you.
-For $7 bucks you can not expect it to be perfect, but with this one you never go wrong.

Enjoyable bass boost

Posted by Mosaic on 4/11/2009
Involvement: Expert (understands the inner workings) - Ownership: more than 1 month

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Pros: I have used many other portable and desktop headphone amplifiers, I've even built my own amps. But there's no way I could build anything this small.  I enjoy the little bit of bass boost it provide when listening. Having to unplug headphones to turn it off seems strange at first, but it's really easy when you're carrying it around in a pocket.
 
Cons: There is audible hiss when used with low impedance earphones, generaly it's not audible, but in quiet sections of music I can tell it's there. 
The cable that came it is poor quality, I could hear it degraded quality and I had to find another.
 
Other Thoughts: It goes through AAA batteries pretty quicky, so get some Nimh rechargables.
 
Bottomline: I enjoy using it with my Sansa Clip.

This thing is great

Posted by Bennyboy371 on 3/28/2009
Involvement: General (knows how to use it) - Ownership: more than 1 month

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Pros: This thing is great. It causes a vast improvement in the overall sound. I don't know the inner workings, but I can say that I haven't heard even the slightest of hisses or pops caused by this. You won't find any. This is a quality product.

Cons: The only real cons I can see in this are those additions made in its successor. The battery isn't fun to replace too often, though it does last pretty long. There is no off/on switch, so if your headphones are plugged in, it's on. There's no volume control, so on many things it does end up being too loud. Overall though, it's great.

Bottomline: If you can't afford the latest version, this will do. It sounds great and it really does improve the experience.

Specifications

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

Usage Instructions