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Condition: Used: Good
Comment: Some cosmetic imperfection on front of item (less than 1"x1"). Minor cosmetic imperfection on top or sides of item (less than 1/4"x1/4"). Minor cosmetic imperfection on bottom or back of item (less than 1/2"x1/2"). Item will come in original packaging. Packaging will be damaged.
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iBasso DX90 High Resolution Dual Sabre ES9018K2M DACs with Extreme Audio USB Charger & Coaxial Connection Kit [Full USA One Year Warranty from Authorized iBasso Distributor]

by ibasso
4.4 out of 5 stars 102 customer reviews
| 91 answered questions

List Price: $599.99
Price: $379.00 & FREE Shipping. Details
You Save: $220.99 (37%)
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Only 2 left in stock.
Sold by ProStudio Sound & Music and Fulfilled by Amazon. Gift-wrap available.
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  • Dual Soundplus OPAMP OPA1611 with dual high current output buffer BUF634 (by Texas Instrument)
  • IMPORTANT NOTE: Please download the manual below the product details to know the working functionality of the product
  • Included Accessories - USB cable, Coaxial cable, Burn-in Cable, Silicone case, ProStudio USB Wall Charger(100-240V, 2.0A) and Screen protector.
  • Dual DAC - 2x Sabre ES9018K2M - Dual Mono DAC Design: one ESS Sabre32 ES9018K2M DAC chip per channel allows for the best possible dynamic range, and channel crosstalk. 6.5 times more detail than a traditional CD.
  • DX90 package now includes silicone case instead of carrying pouch.
4 used from $268.97
$379.00 & FREE Shipping. Details Only 2 left in stock. Sold by ProStudio Sound & Music and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

  • iBasso DX90 High Resolution Dual Sabre ES9018K2M DACs with Extreme Audio USB Charger & Coaxial Connection Kit [Full USA One Year Warranty from Authorized iBasso Distributor]
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Total price: $404.59
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Technical Details

  • Brand Name: ibasso
  • Model Number: DX90
  • Connectivity Technology: Powerline
  • Display Size: 2.4 inches
  • Includes Rechargable Battery: Y

Product Description

Frequency Response: 17Hz~20KHz +/-0.1dB
THD+N: 0.0015% (32ohm load)
Output Level: 1.3Vrms(Low gain), 2.0Vrms(Mid gain), 2.8Vrms(High Gain)
S/N: -118dB +/-1dB(Low gain), -116dB +/-1dB(Mid gain), -115dB +/-1dB(High Gain) (32ohm Load)
Crosstalk: 75dB (1KHz</font>,<font style="font-size: 13pt;" face="Arial Unicode MS">3<font style="font-size: 13pt;">2</font>ohm Load)
Output Impedance: <0.1ohm

Battery Life: 8.5hours
Battery Charge Time: 3hours with AC adapter, 5.5hours with PC USB port
On Board Flash: 8GB
Audio Formats Supported: APE, FLAC, WAV, WMA, AAC, ALAC, AIFF, OGG, MP3
Case dimension: 2.52W x 3.98L x 0.67H (inch)
64W x 100L x 17H (mm)
Weight: 140g or 4.94oz</font>

Product Details

Click here for the User Manual :-> Manual [PDF]
  • Product Dimensions: 2.5 x 3.9 x 0.7 inches ; 5 ounces
  • Shipping Weight: 9.6 ounces (View shipping rates and policies)
  • ASIN: B00JRGLX3G
  • Item model number: DX90
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (102 customer reviews)
  • Amazon Best Sellers Rank: #37,186 in Electronics (See Top 100 in Electronics)
  • Product Warranty: For warranty information about this product, please click here
  • Date first available at Amazon.com: March 24, 2014

Customer Reviews

Top Customer Reviews

After several failed attempts to contact iBasso to locate my tracking information, I was very pleased to receive a DX90 before traveling this week.

I've been excited to listen to and review the new iBasso since it was announced last year. I was very interested to compare it to the new Fiio X5, which one of my associates received this past week. Both of these players had the potential to take reasonably affordable high resolution DAPs to the next level.

A little background: I've been an audiophile for most of my 46 years, with a home system built around a pair of large Quad electrostatic speakers. I listen primarily to jazz and pop, and value equipment which provides real intimacy and insight into recordings. I began taking headphone listening more seriously when I had my first child thirteen years ago, when late night listening sessions became a problem.

I've listened to many headphone/amp combinations over the years, and have settled on two headphones which satisfy enough of my critical criteria to turn auditions into actual purchases. My headphones needed to meet my critical listening needs with regards to imaging, soundstage, resolution, and low level inner detail- but for my needs I require closed back headphones as 1) I don't feel right keeping my wife awake all night when I listen in bed and 2) I do a lot of writing in public places so noise leaking in both directions would significantly diminish my listening enjoyment, and probably annoy those around me. I know that closed back cans bring a few compromises, so I've settled on the two sets of headphones which give me the most bang for my buck, and the least amount of perceived compromises. My first set is a custom set of Westone 3 armature IEMs made for me by an audiologist friend of mine.
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New comments at bottom 11/16/2014. Better playlist functionality added.
This player is better even better than I thought it would be. I have had seven Ipods, one Iphone, and two other brands of players. I started collecting lossless about two years ago. These can be converted to Ipod compatible formats, but it gets old after a while. I want to know that I never need to buy new formats again for better quality. Bad production aside, lots of downloaded music seems to have bad quality, not because mp3 is always inferior to lossless, but because the compression software sometimes seems to screw something up even at 320kbps. I sure do not want to get into a format war, this is just why I wanted a better player. I do not have to question quality of my tracks and do not have to fool around converting my FLAC and APE files just to play them.
This player has its faults. It only shows the music sorted by name within folders, artist, album, or genre. So to rearrange it within a folder you need to insert something in front of each track like "01, 02, 03,..." There is software out there to make this easier, but obviously you cannot have a song in two directories without actually copying it twice. Directories aren't a great substitute for playlists.
You cannot build playlists from your computer, only on the device. Klunky. And it looks like you can only name them "Playlist1, Playlist2, etc." For this reason I do not consider the playlist function useable. Maybe with a firmware upgrade?
Navigation is not as good as an Ipod on the touchscreen, but it is ok, and you do not have to deal with Itunes. This is a big plus for someone like me who does not buy music from Itunes. The three physical buttons are great if you like to pause and switch back and forth without looking at a screen.
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Comment 41 of 43 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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The sound quality of this player is great. I know that it's possible to find something better, but, considering the price and the size of this thing, this sound quality is simply amazing. I tried this player with several headphones (Sennheiser HD600, Sennheiser HD280, Klipsch X10). I prefer the sound of Klipsch X10 - perhaps, because of their slightly rolled-off high frequencies. I mostly listen to classical music (piano, violin, violin concertos, symphonies, etc.) I find that the player (together with Klipsch X10 headphones) produces very good sound:

1) It is very detailed. Nuances of musical performance and concert hall reverberation tails are rendered beautifully.

2) Instrument timbres are realistic (in good recordings, see #4).

3). It is pleasant and possible to listen for a long time.

4). It is neutral - both regarding the timbres and emotions. What I mean is that the player does not seem to introduce emotions to the music that are not present in the original recordings. One can clearly hear that some performances are very musical and exciting while other performances are less emotional and some are... well... borderline boring. The same applies to instrument timbres. All recordings sound better on this player compared to my iPod Classic or a cell phone, but only good recordings sound very much better.

The most significant glitch of this player that I experienced is the following: sometimes it skips approx. the last 2 seconds in an mp3 file. This problem does not seems to appear at all with flac and wav files though. This may be already fixed in the latest firmware but I haven't had time to test it yet. There was also a minor glitch in one of the menus that only appeared a couple of times.
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