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Hidizs Mermaid MS1 IEM Quick Review!!!

Hidizs Mermaid MS1 IEM Quick Review!!!

Last year Hidizs released its new series of in-ear monitors with the Hidizs Mermaid MS1. The Hidizs Mermaid MS1 has a 10.2mm dynamic driver unit each side with a dual magnet and dual cavity design. The pair has beautiful CNC aluminum housings with gold plated 0.78mm two-pin connectors. It comes with a 4-strands silver-plated OFC cable. The pair has attractive looks with a sturdy build. It is priced at just 99$, you can check more about it here. A few months back we got a unit of Hidizs Mermaid MS1 for ourselves, but we were busy with some other products since then. About two weeks back we started using the Hidizs Mermaid MS1, and today we are going to share our quick review and unboxing for the same.

About Hidizs:-

Hidizs is a China-based brand that manufactures high-quality budget-friendly audio products like DAPs and IEMs. Hidizs AP80 is a very successful digital audio player from the brand, they recently released the upgraded Hidizs AP80 Pro model with a dual DAC setup and balanced output features. Their products provide a good price to performance ratio with a quality performance at budget prices.

Unboxing the Mermaid MS1:-

Hidizs MS1-1

Hidizs Mermaid MS1 comes in a simple rectangular box. Black box with golden Hidizs logo branding on the front along with Hi-res audio certification. On the back, we have got the technical specification of the pair. As we open up the outer packaging we get a direct glimpse at the beautiful looking pair of Hidizs Mermaid MS1 earpieces sitting firmly in their foam packaging along with the cable. Below it lies a plastic sheet with multiple pairs of ear tips. Hidizs Mermaid MS1 comes with a lot of ear tips, it has 9 pairs of silicone ear tips, and 3 pairs of memory foam ear tips. Along with the ear tips we also have a hard plastic carry case, it looks strong and sturdy. It will serve well for carrying our IEM’s with safety.

Package Contents:-

>Pair of Hidizs Mermaid MS1 in-ear monitors.

>4-strand silver-plated OFC cable with a 3.5mm termination plug.

>Hard carry case.

>Three pairs of balanced silicone ear tips.

>Three pairs of vocal silicone ear tips.

>Three pairs of bass silicone ear tips.

>Three pairs of memory foam ear tips.

>User guide.

Design, Build Quality, & fit:-

Hidizs MS1-2

Just like the other products from Hidizs, the Mermaid MS1 has a brilliant build quality with eye-catching looks. The earpieces have a universal CIEM like design. They are made up of high-quality CNC aluminum alloy in black finish with complementing golden edges. The black gold combo looks rich and complements the stunning look of the pair. The faceplate has Hidizs logo in the center. The build quality is very good and rich. It doesn’t look like it is a 100$ product as the pair has build quality and looks comparable to the flagship IEMs. The ear shells are quite lightweight and provide a comfortable and firm fit for the users. They are of normal size, neither huge nor too small. They cover up the entire ear canal and provide very good noise isolation.

Driving the Hidizs MS1:-

Hidizs MS1 is very easy to drive, it sounds brilliant straight out of our smartphone, Huawei P30 Pro though we had to push the volume a bit high. With DAPs like Hidizs AP80 Pro and iBasso DX160, we never have to push the volume above 50% level.

Sound Quality:-

Hidizs MS1-3

Hidizs Mermaid MS1 has bright and neutral sound output. The pair has an aggressive lower end, producing fast thumps that complement vocals and other details in our music. MS1 has a V-shaped sound signature with recessed mids, though there is a slight bump in the upper mids bringing vocals forward. Vocals show great crisp clarity with a natural tonality, especially female vocals are a bliss to listen on the Mermaid MS1. Acoustic details are reproduced brilliantly with good micro detailing. Treble portion sounds smooth and transparent, though some instruments like violins show some sibilance at louder volumes. The soundstage feels adequately wide and shows good imaging capabilities with crisp instrument separation. Let’s discuss the different areas of the sound frequency range.

Lower End/Bass:-

The lower end is reproduced beautifully and comes to notice with deep aggressive thumps. Bass shows good speed, and resolution. The sub-bass portion has good amounts of rumble. Deep bass thumps complement mids beautifully and make the pair sound musical and groovy. The pair makes genres like electronic, hip-hop sound outstanding and lively.


Carrying a V-Shaped sound signature, mids feel a bit recessed here with a bump in upper mids bringing vocals upfront. The pair shows crisp and layered acoustic details. Vocals sound crisp and complement with the groovy beats from the lower end. Acoustic instruments have a feeling of depth with an airy representation. Vocal based songs like Cannonball by Damien Rice, I Cry by Yao Si Ting, sound lively and natural, they are a bliss to listen with the MS1.


The MS1 sounds bright and has good details in the treble portion. Instruments sound well detailed and show good clarity. But some instruments like Violins show some sibilance at louder volumes. Though the treble portion shows good attack and fast response. Quick metal songs by artists like Opeth, Disturbed, shows good clarity in the instruments.

Final Verdict:-

Hidizs MS1-4

Finally, we must say, the Hidizs Mermaid is a very good pair of in-ear monitors. It provides very good value for money with its outstanding build, beautiful looks, and good sound quality. The sound quality has an excellent lower end, beautiful vocals, crisp instrumental details, and an adequately wide soundstage to complement our music. The pair is priced at just 99$, you can order one for yourself from our store here.

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