FiiO K5 Pro Headphone Amps Portable Desktop DAC and Amplifier 768K/32Bit and Native DSD512 for Home/PC 6.35mm Headphone Out/RCA Line-Out/Coaxial/Optical Inputs
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Availability:
In Stock.
Arrives
Wednesday, Sep 3
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Size: K5PRO
Features
- [High-performance DAC&USB decoding chip]: The K5Pro ESS headphone amps achieves new heights in sound quality and comes with a high level of resolution sound. ES9038PRO with 32-bit processing, along with the XUF208 USB decoding chip with 768kHz and DSD256 inputs, and it also upportes mobile phone connectivity.
- [Variety of inputs]: Supports coaxial/optical/RCA line-in inputs, with optical and coaxial inputs supporting up to 192kHz inputs, K5Pro ESS amplifier is convenient for connecting various music players and digital interfaces.
- [Variety of outputs]: Supports 6.35mm (1/4 in.) headphone out/RCA line-out outputs, the RCA line-out line signal is adjustable up to a maximum of 2Vrms, so the K5Pro ESS portable DAC can be used with a variety of active speakers and external amplifiers.
- [Easily handles low or high impedance headphone]: For a total power output of up to 1.5 W under a 32 load, and up to 20Vpp at 300, K5Pro ESS desktop amplifier can easily handles any low or high impedance headphone.
- [Various headphones with all kinds of sensitivities]: With ADC volume adjustment, K5Pro ESS portable headphone amplifier allows you to smoothly adjust volume at extremely fine increments without any undesirable noise nor with any channel imbalances. It means you could comfortably use various headphones with all kinds of sensitivities with it.
Item dimensions L x W x H: 4.72 x 1.97 x 5.12 inches
Voltage: 2E+1 Volts (AC)
Manufacturer: FiiO
Maximum Supply Voltage: 2 Volts (AC)
Mounting Type: Freestanding
Product Dimensions : 4.72 x 1.97 x 5.12 inches; 15.38 ounces
Item model number : K5 PRO
Batteries : 1 Lithium Polymer batteries required.
Date First Available : August 23, 2019
Manufacturer : FiiO
Best Sellers Rank: #22,204 in Electronics (See Top 100 in Electronics) #29 in Headphone Amps
#29 in Headphone Amps:
Customer Reviews: 4.6 4.6 out of 5 stars 1,637 ratings
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Sep 3
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Spent close to 100 hours researching my sound setup and this wasn't the final stage for my headphones (I use dt 1990 pros). The current market of solid dac amps range from 250-1000+ so seeing this one is had my concerns. I bought it shortly after a friend did and I won't lie its punching way above its weight. I've recently transitioned to a nice dac amp and really have developed a respect towards the k5. For starters its a must buy especially when powering headphones that require dac amps!
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Reviewed in the United States on May 2, 2025 by Luke Gasser
I recommend it for just about anyone that is looking for a solid midrange budget dac/amp. Build quality feels good. The knob has a really good feel to it. You know that nice level of resistance so it doesn't get accidently spun but not to spungy to annoy you. The switches have a nice tactile feel to them so it's easy to tell which setting they are on and when they click between positions. Comes with all the cables (power and usb) you need along with headphone connector adaptor So you should be set if your 2.5 or 3.5. It also looks pretty clean. Easy to tuck away but not an eyesore on your desk if it's in the open. It also pushes my 150 ohm cans to perfection so I believe them when they say it can drive up to 300s. I have been fooled by other dac/amps in the past but that is not the case here. It drives what it says. Very clean sound. I do recommend getting the actually drivers from FiiO's website to get the best out of them on your PC though. It won't be as clean without them. So remember to do that if that is important to you. But if you just plug it in windows will detect it and you will have sound if you don't feel like messing with it (cannot confirm with an apple). But really does it all pretty well. Music, movies, and gaming are all satisfied to level you expect for the product. I know you will see a few cheaper ones and I would recommend you pass them up for this one. Its great. I believe to really get better you are going to have to almost double your budget and start to enter the realm of entry professional level equipment.
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Reviewed in the United States on February 9, 2021 by Nicholas S Blome
Use with Sennheiser HD660S2. 300ohms. First set it up with blue tooth device direct from ipad. Volume was not very good. Full volume was not loud at all. I thought Fii0 wasnt strong enough. After lots of research, I figured out input wasnt strong enough. Fii0 can output 20 volts at 300 ohms, which is 1.33 watts. That is very loud on these headphones. I daisy chained a dayton audio DTA-120bt2 to the Fii0. I ran the DTA-120 on full volume. Boy what a difference. Could not go above 60% on the Fii0. No distortion. Period. I could hear the quality of the master. Excited about some, disappointed at others. Wish I were the engineer on some. I am going to have fun with my new headphone setup. This works well with high impedance headsets. Just make sure you have strong enough input.
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Reviewed in the United States on April 10, 2024 by D. Lodmell D. Lodmell
Any of these are going to greatly improve the sound over plugging your headphones directly into the mini-jack on a computer. Listening was done with a few different headphones but mostly with beyerdynamic DT 700 PRO X Closed-Back Studio Headphones. Music source was a laptop connected to the DAC/Headphone Amp via USB. If an external power supply was included, I used that. If not, power came via USB. I've kept notes on my impressions brief and included comparisons amongst the DAC/Amp's in this list. They are listed below in my order of preference with my favorites at the top. If you want flowery vocabulary I'm sure in depth reviews are available out there on the web. Headphones make the greatest difference in sound - spend more on them, if necessary. The DAC/Amp is secondary but does add its own flavor to the music. --- iFi Zen DAC V2 | Desktop Digital Analog Converter (Listening only with "TRUEBASS" off.) Very good. Slightly better than the FiiO K7. Better vocal clarity and slightly fuller bass. I ended up comparing this with the FX-Audio DAC-X6 head to head, which continued to surprise me as I put it up against significantly more expensive competitors. Across several hours and many pieces of music, I prefer the iFi... but the difference is infinitesimal. Possibly the iFi has a little more punch to the bass? Maybe a bit more space ans separation? If you're working to a budget, get the FX-Audio and put the extra cash towards better headphones. FX-Audio DAC-X6 Mini HiFi 2.0 Digital Audio Decoder DAC This thing is good. Surprisingly good. I ended up putting it head-to-head with amps costing three times its price. Slightly warmer sound, with slightly less detail in the vocals than the iFi Zen Air, but more space in the music, and more enjoyable to listen to. Slightly better clarity than the Topping. FiiO K7 Full Balanced HiFi DAC Headphone Amplifier This is indeed better than the K5 version. Vocals are more lifelike. And a particular emphasis on the mid-treble heard in the K5 is absent. There is more separation between the instruments. Very close call with the iFi V2, with my preference going to the iFi for better vocal clarity and slightly fuller bass. iFi Zen Air DAC Not quite as good as the V2, but close. Closer than the FiiO K5 is to the K7. There is, again, a comparative emphasis in mid-treble and the vocals get a bit lost. The sound is slightly thin compared to rivals at this price point. FiiO K5 Pro Headphone Amps Portable Desktop DAC and Amplifier Not quite as good as the K7, but at half the price one cannot really complain. Vocals are not quite as lifelike and there is more mid-treble - but not in a good way. Topping DX1 Mini Stereo DAC Headphone Amplifier Combo Very good little unit. Bass is slightly overemphasized. Fosi Audio K5 Pro Gaming DAC Headphone Amplifier I thought this unit was DOA. Turns out that you must long press the volume knob to turn it on. (Short press to select input.) Not terrible, but not as musical as the others in this test. Also, the only one with bass and treble knobs. And only a mini-jack - no 1/4" jack. Pro-Ject Head Box S2 Digital This DAC/Amp had an issue that makes it unlistenable. The sound is very nice... but... there's some faint static. Only in the music, not in silence. A faint crackling.... Can't have that.
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Reviewed in the United States on May 12, 2023 by pH