Drop O2 Headphone Amplifier

Drop O2 Headphone Amplifier

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Product Description
In 2011, audio engineer NwAvGuy published a blog post titled “O2 Headphone Amp,” in which he outlined his philosophy on defining sound quality and detailed his ideal audiophile circuit design. Our version of NwAvGuy's famous O2 amplifier, the Objective 2 Desktop Edition features updates based on feedback from the community Read More
Here's what our community has to say
All of our reviews are from verified customers.
4.5
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290
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92%
would recommend to a friend
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HedleyLamarr
25
Jul 19, 2021
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Clean sound, nice price
I tried this with both the stock op-amps and a selection of OPAs and Burson V5i op-amps. Everything was clean and satisfying. I think it's a good value unit that serves as a great starting off point for headphone amplifiers.
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Would recommend to a friend.
AyGGman
0
Jun 7, 2021
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Very Good
It works really well with my dt 990 pros and never will need anything else again.
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Would recommend to a friend.
maximusprime3rd
0
Jun 5, 2021
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Pretty good!
This is my first amp that I've had and it works great!
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Would recommend to a friend.
Voidd
35
Jun 4, 2021
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Great for gaming or music
Paired with Drop O2 Amp and the Sennheiser x Drop HD 6XXs, sounds great for music and gaming
NCHLSZ
0
May 29, 2021
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Great
I absolutely love the amp runs my dt770 pros extremely well along with my HE-4XXs overall great
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Would recommend to a friend.
Dexterminate
2
May 25, 2021
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Great amp for HD 6xx
I'm using this with the Sennheiser HD 6xx, and they sound great through the amp. I have a friend who ordered the same amp, but for some reason, got a European power adapter when I did not, despite living in the same town in Canada. Just something to be aware of.
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Would recommend to a friend.
Melodiuos_Owl
5
May 20, 2021
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very good for the price.
Solid amp. , Bought the medium gain version, which is ok for my setup. but go for standard gain version as it can support more hungry setup as well.
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Would recommend to a friend.
clownish
12
May 15, 2021
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Great entry amp
Really solid amp. Ordered the 240V option and it came with an EU plug which was a good thing in my case. Might be something to keep in mind. The overall build quality is pretty good.
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Tianboz
4
May 10, 2021
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Clean Sound, HOWEVER
Big However: Most modern day computer motherboards over $100 have very nice sound cards that make an external DAC obsolete for everything but the highest ohm headphones. Check your system to see if you need to spend an extra $100 on an amp!
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Would recommend to a friend.
lizardb0y
33
May 7, 2021
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Good value great sounding headphone amp
I got the medium gain version and a Grace Standard SDAC to drive my Hifiman HE4XX planar headphones. These headphones are hard to drive and didn't sound great driven from my phone or desktop PC. On high gain (3.3x) this amp drives the headphones perfectly with a huge improvement in sound. Their simple but solid construction looks good to last. I'm very happy with it.
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Would recommend to a friend.
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