[thesheik137]

Has anyone used sensitive (+110db/mw) IEMs with HA2? Rated output impedance of 0.1ohm looks promising, but I was wondering if there is any hiss on low gain, and if it is minimal or noticeable. Thanks.

 

[F700]

The BQEYZ Spring 1 likes a lot of power...and a copper cable.

DTR1/HA-2 combo makes my IEM sing and improve their dynamic, with no exception so far.

 

[chaotic_angel]

The BQEYZ Spring 1 likes a lot of power...and a copper cable.

DTR1/HA-2 combo makes my IEM sing and improve their dynamic, with no exception so far.

Anson should make a case which can fit both

 

[469615]

So I got my HA-2 earlier today. Didn't expect it to be this powerful.

If I can do a cross check, please. Off position is at 7 o'clock. On position is at 8 o'clock. Channel imbalance is present until around 9:30.

This is not to discredit the amp by the way. Most, if not all, analog volume pots will display this behavior.

Thank you.

 

[469615]

whoahh, thanks for the impression!

I am having my Xduooxd05plus (with burson V5idual) DAC/AMP, it is also well known for its power, any comparatiom please?

That would be a great battle!! I never heard it unfortunately... it looks nice and sturdy, this Xduoo. Figures are one thing, but a real comparison would be better. Just one thing to think about, the Xduoo is Amp/Dac under the same chassis and HA-2 is a standalone amp. Depending on circuitry, it could make a difference, but nobody will know before testing... I am very curious now, thanks @chaotic_angel

I previously owned an Xduoo XD-05+. Rolled opamps with it as well, including the V5i-D. I'll be meeting the current owner of said amp, soon-ish I hope. From what I can hear from the HA-2, it will give the XD-05+ a good fight.

Will report back.

 

[F700]

So I got my HA-2 earlier today. Didn't expect it to be this powerful.

If I can do a cross check, please. Off position is at 7 o'clock. On position is at 8 o'clock. Channel imbalance is present until around 9:30.

This is not to discredit the amp by the way. Most, if not all, analog volume pots will display this behavior.

Thank you.

I experience the same thing. Not annoying for sure, the same occurs with the FiiO A5, to a lesser extent, though.

And yes, the HA-2 is very powerful. Amazing amp. I would like to put it against a Vorzüge amp and check the differences. I am pretty sure that there are almost none, if any. Vorzüge is way overpriced I fear. But I don't have the budget to get one atm.

 

[469615]

I experienced the same thing.

Great. Thank you. One less thing to worry about.

Left the amp running for five hours. Also twisted the volume pot back and forth once in a while. Lessened the imbalance area. It won't go away but lesser in this case is a good thing.

 

[noplsestar]

I experience the same thing. Not annoying for sure, the same occurs with the FiiO A5, to a lesser extent, though.

And yes, the HA-2 is very powerful. Amazing amp. I would like to put it against a Vorzüge amp and check the differences. I am pretty sure that there are almost none, if any. Vorzüge is way overpriced I fear. But I don't have the budget to get one atm.

I‘ve got the VorzAmp Duo II. No channel imbalance to hear on this amp. Would like to listen to the HA-2

 

[F700]

I‘ve got the VorzAmp Duo II. No channel imbalance to hear on this amp. Would like to listen to the HA-2

Ok, thanks for your input...but before we get too far in that "channel imbalance" trip, it has to be said that it only concerns very low volume level at no-one will ever listen to his music.

 

[469615]

Hunting for synergy with my current gear.

I find that the ifi Nano BL pairs nicely with the HA-2 and my Beyerdynamic Amiron Home. I like this pairing better than with the DTR1. Stage is a bit wider, less meaty mids. This is the first time I can hear detail and control with my cans across then spectrum.

Time to get a better SE cable.

Aside: I find the thread title amusing (maybe a bit shy). "Portable IEM Headphone Amplifier" can be quite misleading. This baby can power full size cans with ease as well.

 

[nihalsharma]

Just received this. I will share a brief impression after some hours of use.

 

[F700]

Just received this. I will share a brief impression after some hours of use.

Please report about the sound for sure, but also about the hiss picked by the Andromeda vs. DTR1!

 

[chaotic_angel]

I previously owned an Xduoo XD-05+. Rolled opamps with it as well, including the V5i-D. I'll be meeting the current owner of said amp, soon-ish I hope. From what I can hear from the HA-2, it will give the XD-05+ a good fight.

Will report back.

helo @eyan still look forward to hear your impression please..

 

[nihalsharma]

Just received this. I will share a brief impression after some hours of use.

Stack: DTR1 + HPAMP + Andromeda == Mind blown. Now I understand why people go for stacking. I was not even aware of such a clean sound.
Here are the impressions.

1. Andromeda is a different monster. Unimaginable sound reproduction. It has a better staging with the amp. No hiss at all. I am still using the Iematch with it(totally out of the habit of using it with DTR1), but the amp's sound reproduction is too clean. So Iematch is not required in it.

2. There is an elevated bass for sure. Not much though, but since DTR1 is more of a neutral-sounding dap (read: no elevated bass), I can feel the increased bass. The lows are a lot punchier without compromising the other frequencies. Treble is totally sorted. No peaks, nothing at all. Each instrument sounds so proper, so properly distinguishable.

3. Andromeda by default is very bright, which is why I am using Iematch with DTR1. But with the amp, the sensitivity and brightness are very very controlled which is why Andro is much more enjoyable.

4. The synergy of this amp is amazing with the DTR1. It's like the amp is totally complementing the dap. Made for each other pair.

5. With my Macbook Pro(15inch), the sound reproduction through the amp is great, well, but not as great as it is with the DTR1.

6. This is my first amp experience. I had never imagined the Imagine album to sound so unimaginable. No hiss (at least none recognizable in a silent setting), so much clarity, such detailing, I was almost in tears. Mind you, I am no seasoned audiophile, no reviewer, just an avid music lover talking straight from the heart.

 

[F700]

Stack: DTR1 + HPAMP + Andromeda == Mind blown. Now I understand why people go for stacking. I was not even aware of such a clean sound.
Here are the impressions.

1. Andromeda is a different monster. Unimaginable sound reproduction. It has a better staging with the amp. No hiss at all. I am still using the Iematch with it(totally out of the habit of using it with DTR1), but the amp's sound reproduction is too clean. So Iematch is not required in it.

2. There is an elevated bass for sure. Not much though, but since DTR1 is more of a neutral-sounding dap (read: no elevated bass), I can feel the increased bass. The lows are a lot punchier without compromising the other frequencies. Treble is totally sorted. No peaks, nothing at all. Each instrument sounds so proper, so properly distinguishable.

3. Andromeda by default is very bright, which is why I am using Iematch with DTR1. But with the amp, the sensitivity and brightness are very very controlled which is why Andro is much more enjoyable.

4. The synergy of this amp is amazing with the DTR1. It's like the amp is totally complementing the dap. Made for each other pair.

5. With my Macbook Pro(15inch), the sound reproduction through the amp is great, well, but not as great as it is with the DTR1.

6. This is my first amp experience. I had never imagined the Imagine album to sound so unimaginable. No hiss (at least none recognizable in a silent setting), so much clarity, such detailing, I was almost in tears. Mind you, I am no seasoned audiophile, no reviewer, just an avid music lover talking straight from the heart.

Nice! Thanks for that.