HIDIZS MP145 PRO IEMS Review – Oceanic Life Music
HIDIZS MP145 PRO is a $169 USD pair of IEMS designed in collaboration between HIDIZS and WDC or Whales and Dolphin Conservation, with a large 14.5mm nano-grade planar driver at the core, and with a low impedance and high SPL. Today we will review the MP145 and explore how it sounds like.
Introduction
HIDIZS partnered up with WDC to create something interesting, a pair of IEM Earphones that support the wildlife in the aquatic environment. HIDIZS products are widely available on amazon, Aliexpress or the main HIDIZS website.
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Product Link
Amazon – https://amzn.to/41WRRSs
Build Quality – Design
HIDIZS MP145 is an interesting pair of IEMS that combines cutting-edge planar driver development with a commitment to ocean life conservation. To achieve a better driver, the new Planar comes with a 30% increase in the Copper content and wire density, and a 40% increase in the Magnetic Flux, as it uses a 1T Fully Symmetrical Magnetic circuit, 7+7 array magnets.
MP145 Pro also comes with a better cable, 6N High-Purity Silver Plated Single Crystal Copper Core cable with a 4-Core braided design. This cable comes with two plugs, one for 4.4mm balanced outputs and one for 3.5mm single ended outputs, and also with premium Sea Anemone Liquid Silicone eartips. HIDIZS also includes 3 sound tuning filters with MP145 Pro.
You can explore on the official webpage the differences between MP145 Pro and the original, and the new version is limited to 299 units worldwide for the titanium version, while the standard comes in black, Blue and Gold. Technically, it looks exactly like the original with a 30 OHM impedance and a 104 dB SPL sensitivity, and an ultra low distortion of 0.05%.
Subjective Usage
HIDIZS MP145 Pro is a very large IEM with one of the largest and heaviest shells I’ve ever seen. This being said they have a large driver, so the shell was necessary to really accommodate the drivers. As this is a driver with a moving membrane, they need and do have ventilation, so you will feel no driver flex and no void.
Despite the large shell body, MP145 has a flexible cable that is quite well-made and which supports the IEMS around my ears, with an actually excellent comfort. They are semi open to open back, so you can expect around 5 dB of passive noise isolation at most, and your sound will leak a bit into the room, but it is quiet, and a bit buzzy, so most people should not be annoyed if you’re not in an extremely quiet place.
Fitting is medium, but bore size is small, so although MP145 PRO needs to go a bit deep inside your ears, they are comfortable. Default eartips are very good, and MP145Pro feels very stable inside of my ears, almost like customs due to the shape of the shell.
Sound Quality
Pairings – I have paired HIDIZS MP145 Pro with multiple sources to test how they sound like and how sensitive they are to hissing and background noise, including FiiO K17, XL, Argon Audio SA-2 Amplifier Driven by FiiO Warmer R2R, Acer Nitro 18 AI Laptop (with 3.5mm adapters), Hiby Digital M500, and Luxsin X9.
HIDIZS MP145 PRO is really sensitive to source noise, despite the 30 OHM impedance and natural SPL, so you will need a source that is known for low hissing. I can hear hissing with more sources with MP 145 Pro than I can with most IEMS, including on Luxsin X9, but most dongles have a bit less on the account of having a lower driving power.
Overall Signature – HIDIZS MP145 sounds fast and snappy, characteristic of the planar magnetic driver inside, but they have a warmer, smoother tone than most planar drivers, producing more bass, and a more rounded texture that is enjoyable and easier on the ears.
Bass – Bass is neutral in amount, but not rolled off, so you can expect to hear a low-end as low as 20 Hz, but energy will be linear, usually without any peaking or dipping point for the bass. It is a planar fast bass with a dry texture, fast revealing ability, and a good amount of details. It works well for technical music, EDM, Metal and rock, but it is a bit low for pop.
Voicing And Midrange – Vocals are bright, neutral and have a slight tendency to increase the presence of the upper midrange and female voices above male voices. This means that most music is on the thinner, more emotional side, creating a tendency for music to sound in minor rather than major, emotionally involved rather than happy and easygoing.
Treble – Treble is sharp, extends up to about 14 kHz, but has a dry, fast texture. It is much less fatiguing than most planars, but it has a more dry and faster texture than anything I’ve heard based on BA or Dynamic Drivers. Very good for details and resolution, and for a technical listen to each track, to put everything under a magnifying glass.
Dynamics And Textures – MP145 Pro sounds a bit compressed, it has the tendency to bring everything at the same loudness and reveal a lot of details. Textures are slightly gentle, quie unusual for the planar driver type, but MP145 really is not that fatiguing and it is instead a fairly mild and balanced pair of IEMs texture-wise. They tend to sound a bit dry and fast, but only enough to call them analytical.
Loudness Saturation Gradient – MP145 Pro sounds better at medium and low volumes, as they are already plenty sharp and crisp, and do not need to be taken loud. They are also fairly consistent relative to the volume, so even if you do take them louder, the tuning and signature will not change, so you won’t get more bass, less bass or a smoother or a sharper sound. They have low distortion and can handle high volumes well.
Soundstage – Staging is natural, with a good amount of width and depth, but the most impressive part is the exceptional lateral separation and stereo imaging. Layering is a bit blended and instead of going for the highest separation possible, MP145 Pro sounds blended and cohesive.
Value – Conclusion
HIDIZS MP145 Pro is a comfortable pair of IEMS, has a sharp sound but is controlled for a planar driver, sounding really detailed. Also knowing that part of the price is going to help the oceans and to save the dolphins and the whales, it really has a good value.
If you’re looking the technical resolution of a planar driver based IEM, but with a warmer bass, smoother texture yet the speed planar IEMS are known for, in a shape that is large but comfortable you need to check out the new Pro version of the MP145 by HIDIZS.
PROs
- Detailed and fast sound with a dry texture
- Large shells with semi open design that have no void or driver flex
- Comes with a transport case and high-quality cable
- Partnership with WDC to help whales and dolphins, make our planet cleaner
- Super stereo imaging and lateral separation
- Great value
Cons
- Sensitive to source noise
Product Link
Amazon – https://amzn.to/41WRRSs
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Full Playlist used for this review
We listened to more songs than those named in this playlist, but those are excellent for identifying a sonic signature. I recommend trying most of the songs from this playlist, especially if you’re searching for new music! The playlists are different for Spotify, Tidal and Youtube, and based on the songs I enjoy and are available on each!
https://www.youtube.com/playlist?list=PL_cjBXGmwSHSdGcwuc_bKbBDGHL4QvYBu
https://open.spotify.com/playlist/5J3oloz8Riy9LxEGenOjQ0?si=979ba4f082414be7
https://tidal.com/browse/playlist/330fd544-8e5b-4839-bd35-676b2edbb3d5
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