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Has anyone tried the Auzen i.Fuzen HP-1 portable headphone amp & battery case for iphone 4?

post #1 of 8
3/6/11 at 7:37am
Thread Starter 

I found about Auzentech launching the i.Fuzen HP-1 headphone amp and battery case for iPhone 4.

Here is their press release and their site info: www.ifuzen.com.

 

Has anyone tried or reviewed their product?

 

FMA_ifuzen-hp1_graphictour.jpg

 

San Jose, CA USA March 3, 2011: Auzentech, Inc. (www.auzentech.com) announced today the imminent release of the i.Fuzen HP-1, a World First product from Auzentech that brings improved audio, mobility, and protection to the iPhone 4 (compatible with both AT&T and Verizon versions).

The Auzen i.Fuzen HP-1 is a three-in-one enhancement to the iPhone 4.

  1. The i.Fuzen HP-1 features a powerful, proprietary dual-headphone amp, allowing iPhone users to share their audio with friends, and even power audiophile-quality headphones.
  2. The i.Fuzen HP-1 provides powerful battery backup available for the iPhone 4.
  3. The i.Fuzen HP-1 wraps the iPhone 4 in a hard shell for maximum protection and enhanced look and feel.

Below is a summary of Auzen i.Fuzen HP-1 specifications and features.

  • "Made for iPhone" logo certified.
  • Proprietary Auzentech headphone amplifier technology
  • Dual headphone output port for shared listening experience; supports both high and low impedance headphones
  • 32 to 600 Ohm load impedance
  • 113dB (A-weighted) signal-to-noise ratio
  • ZX-Driver provides ultra-low distortion and max 180mW output power
  • J-FET OPAMP provides vacuum tube-like listening experience
  • Proprietary Auzentech headphone Sound Mode Selector provides optimized sound for your headphone
  • Touch Panel volume control
  • Impressive 1650mAh Li-Polymer battery with Smart Protection Circuit
  • Four-step LED battery life meter and battery life check button
  • Charging via USB port (from desktop PC or laptop) with supplied USB cable
  • Pass-through sync with iTunes

"The Auzentech sound technologies in the i.Fuzen HP-1 mark a new era for iPhone owners who use their devices for audio playback," said Stephane Bae, President of Auzentech, Inc. "We look forward to developing additional Apple-related products in the future."

The Auzen i.Fuzen HP-1 will be available in black and is expected to ship the first week of April 2011. The Auzen i.Fuzen HP-1 is priced at $129.99 and pre-order starting today. Early reviewer samples will be available upon request.

For more information on its availability worldwide, please visit www.auzentech.com or www.ifuzen.com.  

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post #2 of 8
3/21/11 at 6:43am

this makes perfect sense - hope it delivers. this could be exactly what I've been looking for

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post #3 of 8
11/5/11 at 10:08am

OK I will not discusss sound other than to say it's good at this point. But I do want to warn people away from this unit at the moment. I and another friend both have one of these and we are both only getting 2-4 hours of use before the amp cuts out because the battery is too low. I am testing this more today with both iphone and amp fully charged to see if this is going to continue to happen. If this can not give me at least 1 full days use as an amp to match the full days use I get from the iPhone all by itself I will be sending it back, as I did not buy it to be a battery but an amp.

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post #4 of 8
1/26/12 at 9:23pm

I just bought this unit a couple days ago and while I'm satisfied with it's overall construction and sound quality, I do have one HUGE gripe about the unit.  

 

I'm currently using it with my iPhone 4S and Shure SE535 IEM.  When I'm on the go listening to music and want to make/receive calls or use siri, the sound will come from the iPhone unit itself and not through the headphones, thus I'd have to take off my earphones and hold the phone up to my ear to be able to hear anything.  I'm sure anyone could imagine how inconvenient this would be.  Not sure if Auzentech can come up with a firmware update to fix this problem so that ALL sounds would come through the amp as it should be.  If they can fix this problem I'd say the product is worth a look, if not then I'd return the product if I could... =(

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post #5 of 8
2/12/12 at 12:10pm
Quote:

 

 

Originally Posted by squintypanda View Post
 

I just bought this unit a couple days ago and while I'm satisfied with it's overall construction and sound quality, I do have one HUGE gripe about the unit.  

 

I'm currently using it with my iPhone 4S and Shure SE535 IEM.  When I'm on the go listening to music and want to make/receive calls or use siri, the sound will come from the iPhone unit itself and not through the headphones, thus I'd have to take off my earphones and hold the phone up to my ear to be able to hear anything.  I'm sure anyone could imagine how inconvenient this would be.  Not sure if Auzentech can come up with a firmware update to fix this problem so that ALL sounds would come through the amp as it should be.  If they can fix this problem I'd say the product is worth a look, if not then I'd return the product if I could... =(



I do believe that this is typical when using the line out of the iphone.  Any line out device would work the same as far as I've seen.

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post #6 of 8
2/15/12 at 6:29am
Quote:
Originally Posted by dweaver View Post

OK I will not discusss sound other than to say it's good at this point. But I do want to warn people away from this unit at the moment. I and another friend both have one of these and we are both only getting 2-4 hours of use before the amp cuts out because the battery is too low. I am testing this more today with both iphone and amp fully charged to see if this is going to continue to happen. If this can not give me at least 1 full days use as an amp to match the full days use I get from the iPhone all by itself I will be sending it back, as I did not buy it to be a battery but an amp.



dweaver, do you have the old or the new version?

I believe the new one runs in a different way, something like not charging the phone while the amp is on...

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post #7 of 8
2/15/12 at 6:51am

On the new version, you can choose to recharge the phone or just act as an amp.

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post #8 of 8
5/4/12 at 4:56am
Quote:
Originally Posted by average_joe View Post

On the new version, you can choose to recharge the phone or just act as an amp.

Are there multiple versions of the HP-1 except for the new HP-1# (sharp)? Because you can turn the battery charge on, turn the amp on and then turn the battery charge off to save the juice for the amp. My phone is on 41% and iFuzen just went down to 3/4 bars. Which would be impossible if it was charging?

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