Hidiz | Mermaid MS4 HiFi In-Ear Monitor Earphones

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Page last updated Aug 11, 2025

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Dive into a world of crystal-clear sound with the Hidiz | Mermaid MS4 HiFi In-Ear Monitor Earphones. Designed for musicians and audiophiles alike, these earphones offer an immersive listening experience with a perfect blend of precision and power. Equipped with a hybrid driver system that combines a dynamic driver with balanced armatures, the MS4 delivers a full spectrum of sound, from rich bass to detailed highs. This makes them an excellent choice for both studio monitoring and live performances.

Crafted with a durable, ergonomic design, the MS4 ensures comfort for extended wear. The snug fit not only enhances sound isolation but also minimizes ambient noise, allowing you to focus entirely on your music. Compatible with a wide range of audio devices, the MS4 is a versatile addition to any musician’s gear collection. Whether you're on stage or on the go, these earphones are built to deliver outstanding sound quality and reliability.

Key Features:

Hybrid driver system with dynamic and balanced armature drivers
Ergonomic design for comfortable and secure fit
Excellent sound isolation for reduced ambient noise
Compatible with a wide range of audio devices
Ideal for both professional and personal use

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Hidizs MS4 "Mermaid" earphones review

Porta.Fi

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Review of the Hidizs MS1 and MS4 In-Ear Monitors and its cables

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Critic Reviews

Hidizs MS4 Mermaid Earphone Review | Audiofool Reviews

audiofool.reviews

Hidizs' MS4 Mermaid in-ear monitors offer a solid debut with impressive build quality and an accessory-rich package, rivaling more expensive options. The sound signature is unique and non-fatiguing, delivering a balanced experience, but the bass can feel sluggish and overwhelming in complex tracks. While comfort is generally good, the size may not suit everyone, and some may find the overall presentation too laid-back. For those seeking a practical yet distinctive listening experience, the MS4 is a commendable choice, but potential buyers should be wary of its bass performance in fast-paced genres.

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Hidizs Mermaid MS1 and MS4 Review — Headfonics Reviews

headfonics.com

While the Hidizs Mermaid MS4 offers impressive build quality and a dynamic sound signature, it has notable drawbacks. The earphones are bulky and may not fit comfortably in smaller ears, and the dual-prong connectors could lead to reliability issues over time. Additionally, the packaging and accessories feel sparse for the price, reflecting a lack of attention to detail. Overall, the MS4 shines in sound quality but falters in design and usability, making it a mixed bag for potential buyers.

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Hidizs Mermaid MS4 – Twister6 Reviews

twister6.com

The Hidizs Mermaid MS4 impresses with its exceptional build quality and stunning design, featuring a luxurious leather case that stands out in its price range. The sound signature offers a fun listening experience, although it could benefit from a bit more bass speed and lower mids clarity. Despite some users finding the shells a tad large for smaller ears, the comfort level remains high for extended use. Overall, the MS4 delivers a rich ownership experience, making it a compelling choice for audiophiles seeking both aesthetics and performance, despite a few minor shortcomings.

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Hidizs MS4 Review | The Headphone List

theheadphonelist.com

The Hidizs MS4 impresses with its excellent build quality and engaging sound signature, delivering an open high-end and glossy vocals that make music come alive. However, the bass can feel somewhat muddy, and the brighter background may not appeal to everyone. Despite these flaws, the MS4 stands out as a compelling choice in the competitive midrange market, offering flexibility with its connectivity options, including USB-C and Bluetooth. If you're looking for a stylish, well-built in-ear monitor with great detail retrieval, the MS4 is worth considering, but be prepared for some sonic idiosyncrasies.

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