Shozy Star II brief review
-by Mimouille

Disclaimer: I got a review price for the Shozy Star II + Takt Pro bundle, in exchange for a fair review.

Shozy and sister company Cozoy have been putting out quite some interesting products. I like quite a few things about this company. Their no-BS approach to this business, the well thought out and beautiful designs of their products (Rei, Takt, Star II), and also their straightforward communication with the community (yeah Charles, I am talking about you).

I first tried the Shozy Alien+ player, which was very impressive sound-wise but a bit short on battery, the Shozy Zero which was great for the price, and the Cozoy Hera which is a nicely priced well performing dynamic drivers with great ergonomics (I keep it as my office no hassle iem).

I was curious about the Shozy Star I, seeing them venturing into higher end iems (I completely missed the Star for some reason), so I approached them to get a pair, and was very pleased to be offered the Cozoy Takt Pro to review as well.

Here is the product description:
To summarize, it is a universal IEM selling for 419$ on Pennon Audio, with a standard MMCX connector and an undisclosed number of (BA?) drivers.

I tested the Shozy Star with most of my sources including Lotoo Paw Gold, WM1Z, and Mojo, using JVC Spiral Dots (the only ones I have that fit such large bores). I test with my music in Redbook and highres FLAC. I only compared with my S-EM9 side by side, made less sense to me to compare with my SE5 Ultimate.

I settled for the WM1Z as my best source for the Star II, Mojo was a bit boring, and LPG was too harsh.

Ergonomics and build:
There is not much to say, because everything here is close to perfection. The seamless integration of a carbon faceplate in a beautiful translucent black body provide an elegant and understated design that I really like, fit is easy and comfortable for all-day listening sessions. Great job.

An important disclaimer I want to give, is that for the past few years I have been listening to almost only 1-2k$ IEMs, so they are my reference. This tends to make me a bit hard to please when it comes to new IEMs, especially ones that cost a third or a fourth of my reference IEMs.

Shozy was apparently aiming for neutral tuning that is easy to drive. The result is a neutral slightly brightish IEM that is indeed to drive. However, its neutral tone makes it sensitive to pairing, so I recommend playing with sources to find the right match. The spaciousness and smoothness of the WM1Z work well for me.

The sound is indeed well balanced between frequencies, you feel like you have a fairly transparent window to your music. Bass is textured and well controlled, with close to no boost to my ears (didn’t measure and wouldn’t know how to read it anyways…). Mids are quite even and transparent without appearing too thing. The fact the image is very centered can make the vocals a bit caught between other frequencies, lacking air. 

Treble is quite detailed but may be fatiguing to some, with some sources. There seems to be a slight bump between upper mids and lower treble that creates this. The stage is reasonably wide and deep, but with a strong center-image focus. My only issues in general are first on separation, it is good, but the stage can get crowded on most complex passages, and second on general dynamics, when comparing to (a much higher end iem like) S-EM9, the notes are less well defined, the sound is less engaging due to less dynamic sound. But once again bear in mind we are talking about a 1.5k 9 driver iem…

Beautiful and well built
Comfortable and small
Neutral yet engaging sound
Good performance for the price
Easy to drive

Not as source eclectic as one might think
Slight harshness with selected sources or tracks
Separation on complex passages could better
Not the most contrasty / dynamic sound

==> Overall a very good iem in this price range, perfect for these looking for a neutralish tone but with a signature that remains engaging, all in a beautiful and comfortable form.

Schiit Audio Jotunheim Review
- A. `Reddog` Jones

"A sweet sounding mid level balanced amp"

I have been into this amazing hobby for about 4 years now. I have bought all of my own equipment and my reviews and impressions are my honest opinion. I am a amp collector, and feel a person can not have enough amps, especially good mid level headphone amps.

I have been watching a lot of Netflix and wanted to use my headphones, without using my TOTL amps. I am a fan of Schiit Audio and own a lot of hot Schiit. And when I heard about Schiit Audio’s balanced Jotunheim, I snagged one in a New York minute. I chose to get my Jotunheim in black. I chose only to get the amp only.

I really like the heavy metal/. Industrial design of the Jotunheim. This amp is nice and heavy and will stay on the desk and not readily slide about. This plucky black amp even seems impervious to the antics of my fat cat Kali.

On the back side of this amp, is the Power button, single end RCA/ unbalanced inputs and XLR balanced inputs as well as RCA pre outs.
On the front there are two switches and a volume knob. One switch allows for the selection between the phono, dac and amp functions. The other switch is for Low or high gain.

The Jotunheim balanced amps sounds very, very nice indeed.

If this amp had been out, when I started this wonderful hobby, I would not had gotten the Schiit Audio Asgard 2, Lyr 2 or my Cavalli Audio Liquid Carbon. This sweet little amp has almost every connection that a fellow audiophile could need.
It has SE and balanced inputs and SE and XLR headphone out jacks. And more importantly the Jotunheim has plenty of power to drive any headphone. Furthermore the Single end audio architecture is the best found in any Schiit Audio Amp. The previous Sumpter circuit was alright but the new design just sounds much better to my humble ears.

And to my humble ears the Jotunheim sounds quite good. The bass is nice and impactful, The mids are sweet with just a touch of edginess. The treble is good and was not sibilant. The sound stage is nice and the imaging is fairly detailed. Furthermore this amps has plenty of power and could drive all of my headphones.

I really like how my Audeze iSine 20 and Mr Speakers Aeon Closed back sounds out of this amp.

I am very impressed with Schiit Audio’s Jotunheim. This black beast of a amp sounds great and can drive any IEM or headphone one should have, This solid stage amp is versatile and has plenty of inputs and outputs. I think the Jotunheim is a great sounding mid level amp, especially for the money.

I used the following equipment for this review.
DAP: Questyle QP1R
DAC: Schiit Audio Yggdrasil and Gungnir

Overall Thoughts

Pros - Small, balanced, can come in black, heavy metal industrial design, 1/4 th and XLR headphone out. The SE architecture is Schiit audio’s best design to date.

Cons - The little mark on the volume knob can be hard to see in a semi dark room, especially after a shot of chartreuse.


Frequency Response: 20Hz-20Khz, -0.1db, 2Hz-700KHz, -3dB

Balanced Headphone Output:
Maximum Power, 16 ohms: 7500mW RMS per channel
Maximum Power, 32 ohms: 5000mW RMS per channel
Maximum Power, 50 ohms: 3000mW RMS per channel
Maximum Power, 300 ohms: 900mW RMS per channel
Maximum Power, 600 ohms: 500mW RMS per channel

Single-Ended Headphone Output:
Maximum Power, 16 ohms: 2500mW RMS per channel
Maximum Power, 32 ohms: 1500mW RMS per channel
Maximum Power, 50 ohms: 800mW RMS per channel
Maximum Power, 300 ohms: 350mW RMS per channel
Maximum Power, 600 ohms: 175mW RMS per channel

THD: <0.001%, 20Hz-20KHz, at 1V RMS
IMD: <0.0015%, CCIR
SNR: >109db, A-weighted, referenced to 1V RMS
Crosstalk: >-70dB, 20 Hz-20KHz
Output Impedance: Less than 0.1 ohms, balanced or SE, at both gain settings
Input Impedance: 50K ohms
Gain: 2 (6dB) or 8 (14dB), selectable via front switch
Inputs: Balanced XLR and Single-Ended RCA, selectable via front switch
Outputs: Balanced headphone (4-pin XLR), single-ended headphone (1/4” TRS), balanced line preamp, single-ended line preamp
Optional Inputs: AK4490 Balanced USB DAC or Passive MM Phono
Gain Stage: Proprietary Schiit Pivot Point™ fully discrete differential current-feedback topology
Power Supply: One 48VA transformer with 6 stages of discrete or integrated regulation and over 70,000uF total filter capacitance

Optional Dual AK4490 DAC:
USB Input Receiver: C-Media CM6631A
D/A Conversion IC: AK4490 x 2
Input Capability: up to 24/192, including 24/176.4
Analog Output: fully differential, passive summing and passive filtering
Frequency Response: 20Hz-20KHz, +/-0.1dB, 2-100kHz, -3dB
Maximum Output: 2.0V RMS
THD: <0.0015%, 20Hz-20KHz, full scale
IMD: <0.002%, CCIR
S/N: >106dB, referenced to 2V RMS, unweighted

Optional Passive Filtered Phono Stage:
Gain: 42dB
THD: <0.01%, A-weighted, at 1V RMS
SNR: >80dB, A-weighted, inputs shorted
Crosstalk: -70dB, 20-20kHz
Sensitivity: 2.3mV for 400mV output
Overload Margin: >20dB
Input Impedance: 47k ohms
Input Capacitance: 100pf
RIAA Accuracy: +/- 0.25dB, 20-20kHz
Topology: Fully passive RIAA network with AD8599 gain stages and PET film capacitors throughout, DC coupled, with DC servo

Power Consumption: 25W typical
Size: 9” x 6” x 2”
Weight: 6 lbs

*All measurements made on a Stanford Research SR1+ Audio Analyzer

*This review was also posted on Head-fi.

Astral Acoustics Taurus IEM and Adapters cable review

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Astral Acoustics Taurus IEM cable and two adapters. 
2.5mm balanced to 3.5mm SE and 2.5mm balanced to 4.4mm balanced.

Product Details

Entry model: Taurus IEM Cable
8 Conductors: OCC Copper with Litz

Taurus features a large soundstage and dark backgrounds. Vocals with just the right amount of warmth and thickness, and a surprising treble extension which, you'd never thought it could be experienced from a COPPER cable at this price.

Consisting of 8 Litzed 28awg OCC copper wires and Eidolic connectors, Taurus is nowhere near what can be considered as a bulky or heavy cable. Under light, this cable glistens, making it proper eye candy WHILE still sounding just as good as it looks.

Taurus will change your view on the stereotype that copper cables have dull highs and the lack of details. Sounding thick without sacrificing layering and details on the highs is what a proper copper cable should be able to achieve.

Price: $1800 HKD

Length - 1.2m approx.
Connectors - Eidolic
Solder - Audio Note

Taurus cable with MMCX connectors and a 2.5mm balanced plug.

Astral Acoustic uses quality Eidolic connectors and plugs From Double Helix Cables.
So you know they are excellent quality.

Astral Acoustics Taurus IEM cable and Taurus 2.5mm to 3.5mm adapter with Echobox Explorer X1.


The Astral Acoustic Taurus series of cables and adapters were tested with a variety of Daps and earphones and were compared with other cables to reach an semi accurate evaluation of its performance and sonic properties.

Astral Acoustics Taurus IEM cable and Taurus 2.5mm to 3.5mm adapter 
with Shozy Alien+ and Campfire Audio Jupiter

The Astral Acoustics Taurus IEM cable consists of 8 Litzed 28awg OCC copper wires and Eidolic connectors.
Its length is approximately 1.2m.
The solder used is Audio Note.

Astral Acoustics Taurus IEM cable and Taurus 2.5mm to 3.5mm adapter 
with Opus#3 and Campfire Audio Andromeda

The Astral Acoustic Taurus IEM cable is obviously well made and smexy to look at by examining the many photos within this article.

I unscrewed the main jack connector and the insides were clean and well soldered and sealed.

Astral Acoustics Taurus IEM cable and Taurus 2.5mm to 3.5mm adapter 
with Echobox Explorer X1 and Campfire Audio Andromeda.
I loved this pairing very much.

The Astral Acoustic Taurus IEM cable is a copper cable that is focussed more in the bass to mid sections. 
The layering and imaging at times isn't as definite as a silver cable on some tracks.

When paired with a brighter source the cable seems to attain a synergy, each complementing the other.
It expands the sound scape as opposed to reducing its possibilities, the sound stage is wide, intimate and expansive.

When paired with a neutral or warm dap I found the lows to concentrate the sound more as opposed to creating a sense of the holographic, the sound stage can be medium and intimate instead of expansive.

I found the bass and lower mids to be prominent at times, and usually the vocals were forward.

I still found enough detail and top end to keep me satisfied.

At times the bass, is full and round and very pleasing on some tracks.

The Astral Acoustics Taurus series can certainly shine when matched with the right dap and earphone, the cable isn't as congested in the lower end as I have encountered with other copper cables. the Taurus has a nice shimmering top end, deep bass and warm mids with forward vocals.

Astral Acoustics Taurus IEM cable 
with iBasso DX200 and Campfire Audio Andromeda.

I found the Opus#1 on high gain to be overly bright and coherent, but on mid gain to be acceptable with more bass and mids, yet not as coherent.

The ipod touch 6G was surprisingly a good match.

More TOTL daps such as the DX200 and Opus#2 were not as a good match to my ears and general preferences, as they seemed to desire a more transparent and neutral cable. Plus the Opus#2 can already be a bit thick at times in its lower regions.

The Opus#3 was not as bright as Opus#1, even, nice and with a sense of space, placement and dynamic. With more full thick bass. It had great imaging and matched well.

The Explorer X1 was very even with great separation.

Astral Acoustics Taurus IEM cable 
with iBasso DX200 and Campfire Audio Vega.

I found the AA Taurus IEM cable when paired with a transparent adapter to match well for daps such as the iBasso DX200 and Opus#2.

Astral Acoustics Taurus IEM cable and Taurus 2.5mm to 3.5mm adapter with Echobox Explorer X1.

Astral Acoustics Taurus Adapters

Astral Acoustics Taurus adapters. 
2.5mm balanced to 3.5mm SE and 2.5mm balanced to 4.4mm balanced.

The Astral Acoustics Taurus adapters consist of 8 Litzed 28awg OCC copper wires and Eidolic connectors.

The solder used is Audio Note.

*Please contact Astral Acoustics about these particular adapters,
as they are specifically made to order.

-Tested with the ALO Audio Litz and Campfire Audio Andromeda.

The adapter cables provide a tight and secure fit. 
There is a slight sonic coloration to them in the lower end and mids.

-Tested with the Taurus IEM cable Campfire Andromeda.

Not as noticeable as with the ALO Audio Litz cable. Perhaps as in this case the Taurus IEM cable is doing most of the heavy lifting. Still a little emphasis on the lower end.

The Taurus adapter cables are consistent with the general signature that often comes with copper, although not as dark as other copper cables I have tested and listened to, it retains clarity and detail. 
The Taurus presents a top end sparkle.

They are not transparent adapters, but the coloration in the bass and lower mids is minimal.

2.5mm to 4.4mm balanced

2.5mm balanced to 4.4mm balanced

2.5mm balanced to 3.5mm single ended


Taurus IEM Cable

$1800 HKD

*Please contact Astral Acoustics about these particular adapters,
as they are specifically made to order.

Taurus 2.5mm balanced to 3.5mm single ended.

Taurus 2.5mm Balanced to 4.4mm balanced.

Astral Acoustics Taurus IEM cable and Taurus 2.5mm to 3.5mm adapter 
with FiiO X7 Mark 2 and Campfire Audio Andromeda.


The Astral Acoustic Taurus series of cables is not entirely typical of the sound one expects from a copper cable.
It doesn't have the slightly veiled sound one comes to expect from a copper cable, and exhibits a more detail, clarity and spaciousness.

Some might say its only wire and all cables sound the same, I doubt they have read this far.

The Taurus cable matches well to a brighter source imho. A neutral or warmer source loses some of the lower detail and overall clarity due to the extra low end..

It is not as transparent or clear across most frequencies as a silver cable might be. But some may love that depth to the low end.

Detail is fine, and it has a bit warmth in the lower end , and to some degree towards the mid sections.

Bass and vocals appear forward.
The layering is reticent.

The sound is more linear and flat, and less holographic.

With the adapters:
I detected a small amount of coloration in the bass and lower mids when paired with a silver cable.
They are adapters with a slight coloration to them. 
I also compared other companies adapters with the Taurus IEM cable and also with the ALO Audio Litz to confirm my findings.

The Taurus series of cables and adapters are for someone wanting perhaps to add a little something to the nether regions of the earphones, a touch it more intimacy, bass and mids.
I found the AA Taurus IEM cable when paired with a transparent adapter to match well for daps such as the iBasso DX200 and Opus#2.

They would pair well with a bright dap, or even a bass weak earphone, perhaps even increase the lower end on warm dap or earphone, If that be your fancy.

I found the Echobox Explorer X1 to be a good match with its Burr Brown Dac when using the Taurus series. The bass is faster and the sound is quite linear, detailed with excellent imaging and separation.  The Echobox Explorer X1 was very complementary and I hesitated a guess that the Opus#3 would exhibit similar results, which when listened to presented a lovely 3D-ish, dynamic and even experience with a decent full low end. 

The Astral Acoustics Taurus cable series is well constructed of excellent materials, like most cables its a question of matching the cable to right earphone and dap.
with the right pairing such as the Echobox Explorer X1 the taurus series certainly shines.

Astral Acoustics Taurus IEM cable and Taurus 2.5mm to 3.5mm adapter 
with Echobox Explorer X1 and Campfire Audio Andromeda.

Thank you to Astral Acoustics for sending Head pie the Taurus Cables for review

iBasso IT01 review

I would have liked to have spent more time tip rolling and even cable swapping but the end of year is upon us!

Available from the iBasso website and also Penon Audio

(From the Penon Audio website)

`iBasso IT01 delivers precise and sweet sound in a compact form factor.

Its internal 5um graphene diaphragm, close to 1 Tesla magnet, dual cavity and other acoustic cutting-edge technology enable it to provide high-quality sound performance on the device.

Approaching 1 tesla

Special small high-energy magnets, near 1 Tesla's magnetic flux to 5um ultra-thin diaphragm has a greater driving energy and rebound characteristics, bringing more detail and dynamic performance than the normal dynamic driver.

Dual cavity 

Unique Helmholtz resonators, dual cavity bring deeper low frequency dive and flexibility, absorb high frequency standing wave, and make the sound more rounded, rich and plump in the low-frequency.

5um multilayer graphene diaphragm

Graphene is composed of carbon atoms, its hardness is 100 times that of steel, ordinary diaphragm needs multiple attenuation of the signal to ensure that the diaphragm itself is not broken, and graphene can better restore the current signal, the distortion is smaller . It is thin and sound conduction speed is very good.

4N high-purity oxygen-free copper, four shares hand-woven

iBasso IT01 uses 99.99% multicore star-shape four braids of high-purity copper wire, standard detachable MMCX interface .It can produce condensed and mellow low-frequency and structured high frequency, form a deep sense of space.`

Build and design

*Also available in black.

iBasso DX200 with Amp 1 and iBasso IT01.


Driver:10.0mm Dynamic driver
Multi layered graphene, which is Ultra-light and stiff. 
Frequency response:   10Hz-42kHz
Sensitivity:  108+/-2dB
Impedance:  16 Ohm 
Noise Attenuation: -26dB
Rated power:  10mW
T.H.D.:  <1% (at 1kHz/1mW)
Plug size: 3.5 TRS gold plated
Cable length:  1.2m   
Connection:  MMCX 
Weight: 8.0g without cable

iBasso DX200

Sound impressions

Out of the box impressions, and at 25 and 50 hours marks.

Using standard FLAC 16/44.

A variety of Daps was used for listening.

iBasso IT01 being tested with a headphone switcher box, ALO Audio connector cables, iBasso DX200, FiiO X7ii and Exchobox Explorer X1.

Initial and brief impressions:

Straight out of the box. take it with a grain of salt.

This is with dx200 and amp 5 which is a sweet sounding amp.

More treble a bit.
Forward vocals, medium bass, with a small to mid v shape.
Fairly good separation with JVC Spiral Tips.

Large bore tips (thin skin).
Stock tips have a better seal, for a more full sounding experience.
Less tinny, more coherent. The JVC were a bit core loose.

Small bore /thinner skin tips.
Nice and airy. 
Less v shaped.

Thick skinned small bore now.
More rounded, bass and treble more well matched, mids coming up,
Vocals are still forward, but so is some music.

The tips they come in the box with are these. So I guess they are recommended.

*I preferred the large bore tips overall and continued to use them.


Same with Opus#2 A bit more of mids warm action though.

Thin skinned L bore tips.

Larger sound stage. A bit more low rumble.

At the 25 hours mark

FiiO X7ii, iBasso DX200 and Opus#2.

The iBasso IT01 is a clear and even, linear earphone.
It has good to great separation between the instruments.

The IT01 is pleasant, smooth and natural to my ears.
I prefer it on medium to 70% volume, as that is where their sweet spot of control lies.
Overall they have a fast response and are coherent.

The sub bass lingers nicely at times - such as when listening to Kruder and Dorfmeister.
The bass power can be surprising, as when transitioning from Norah Jones to the Smashing Pumpkins `Rocket`.
The vocals are presented well and have clarity and consistency. Forward at times.

There is a slight sibilance on the usual tracks such as anything by

The IT01 can lose a bit of overall control when the music gets too busy, although when playing Dire Straits `Sultans of swing` the IT01 is effortless, accurate and reproduces the track beautifully.

Listening to the Foo Fighters `Something from nothing` I detect that the sub bass and bass are fairly responsive and quick.

I would like to have a bit more body at times, but that could be tweaked with a bit of tip rolling.

With classic vanilla test track favorites Adele, Norah Jones, Sting, Dire Straits etc the presentation is accurate and clear, the imaging and timbre are great, the sound stage is medium to sub large, it veers from an even linear to a small v shape sound signature at times. Overall the control is very good.

Then veer to badly recorded busy tracks such as Discharge `A Hell on earth`. The IT01 handles it nicely, it of course doesnt improve on the original recording, but it certainly keeps it listenable.

Hole `Doll parts` is a nice medium as the track goes from soft and silky to guitar screeching, and the IT01 handles it well.

PJ Harvey `The Whores hustle and hustlers whore` goes from a sweet level of clarity and detail, with smooth vocals to a bit congested and lose some consistency when all the drums and guitars get going.

Gnarls Barkley `St.Elsewhere` has a nice bass thump, resounding brass and tinkling cymbals.

Mountains `Messages to bears` sounds simply divine, well balanced, smooth, rich and warm.

An interlude...

I did some listening with an ipod touch 6G and found that the weak amplifier didn`t really satisfy me with the IT01. The IT01 certainly enjoys a bit of extra power.
The bass was a bit weak, and the treble was emphasized too much.
It certainly has improved response, imaging and timbre when paired with a dedicated dap.

At the 50 hours mark.

FiiO X7ii, iBasso DX200, Opus#2 and Echobox Explorer X1.

Incredibly smooth sound scape.
Luscious and rich mids at times.
Sweet lingering sub bass, and a tighter thudding bass.
Coldplay seems devoid of any pesky sibilance.
As it often the case a few more hours tightens up the low end to appear faster and concise and the rough peaky edges treble edges get shaved off a bit.
Separation is still near top notch. great detailing, although don't expect a technical earphone.
Vocals are realistic and clear. One of the outstanding features and pleasure points of this earphone.
The over all control at various volumes has improved also, at the 50 hour mark, I still recommended to listen at not ear splitting levels.

I finish this section listening to Nirvana - Unplugged in New York. 'The man who sold the world'
Smooth, supple, and sweet.


US$99 from the iBasso website and US$109 from Penon Audio.


The IT01 is a pleasing earphone to listen to in the US$100 range.

It is mainly even and linear earphone with a hint of a v and/or L shape at times. Its not an earphone that has too much body to it. Just enough to please.

Most everyone loves a Dynamic Driver earphone as they play nicely with most daps.

Sound stage is medium+ and is pleasing, vocals are slightly forward and well controlled and smooth.
Clarity, detail and separation isn't of course as excellent as some of the TOTL earphones in the higher price brackets (as to be expected, but the IT01 is being reviewed according to its place in the market) but is more than satisfying to the ear.

Control can vary here and there, or perhaps my listening volume is too loud at times. I found overall coherency and control to be improved after 50 hours.

The iBasso IT01 favors a dedicated dap or a phone with a decent amount of amplifying and driving power. They certainly benefit with a great source.
Weaker powered sources will bring out the treble and can cause it to be thin.

The sound signature can be fiddled with quite easily by a simple act of tip rolling. Luckily the IT01 comes with a decent selection of decent tips to use. Play around until you get a good match with your dap and ears.

The listening fatigue is low and I could easily listen for a lengthy time.
The shells are quite small so a comfortable, fit is easy and they don`t require too deep an insertion.

The cable is very, very soft, supple and ergonomic.
The MMCX connectors are a bit tight. They revolve easy, but for removal I had to tug a bit.
Some might purchase the earphone for the cable alone I expect, iBasso certainly make great cables.

The iBasso IT01 is well priced entry level earphone that will please many with its smooth signature that although fairly linear overall with a good dap, it can have a slight bass emphasis which yields a small v shape or L shape to it.

like it. I think it is wonderful for $100. At the risk of rolling out the old review cliche of ‘great performance for the price’ - it will surely leave many purchasers of the IT01 quite satisfied.

The iBasso IT01 might be an all rounder that can please many a listener. When its good its very good.

Thank you to iBasso for sending Head pie the iBasso IT01 for review