YINYOO Easy KZ ZST Colorful Hybrid Banlance Armature with Dynamic in-Ear Earphone 1BA+1DD HiFi Headset KZ in Ear Monitors Headphones Wired Earbuds IEM Earphones Gaming Earbuds (Colorful Without mic)
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AI Verdict
These 0.704-ounce wired in-ear monitors with hybrid drivers deliver a v-shaped sound profile for budget-focused gamers and music listeners.
The 0.704-ounce lightweight design and over-ear wearing style are comfortable for many, even with glasses, but the shallow insertion and plastic build mean the fit isn't universal, leading to comfort issues for some users.
If comfort and seal are paramount, look for IEMs that include a wider variety of ear tips, especially memory foam options, to ensure a better fit.
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Pros
- The hybrid driver design provides satisfying bass weight, impact, and extension without bleeding into the mids.
- The treble is bright and sparkly, contributing to a lively sound without being uncomfortably sharp.
- Instrument separation is clear, allowing distinct audibility of individual elements in complex tracks.
- The removable cable design allows for easy replacement or upgrades.
- The 0.704-ounce weight and over-ear wearing style contribute to comfort for many users.
- Offers a wide soundstage for its price point, enhancing the listening experience.
Cons
- The shells and bores are constructed from plastic, and the metal screens on the bores have been reported to be poorly glued.
- Sound bleed is noticeable at high volumes, making them less suitable for quiet environments.
- Some users report the mids can sound thin and vocals distant, affecting neutrality.
- Comfort is not universal, with some users experiencing issues with fit or them falling out.
- Noise isolation is less effective compared to some other in-ear monitors.
Dimension Scores
The hybrid driver delivers satisfying bass weight and sparkly treble with good clarity and instrument separation for its price, though mids can be recessed.
While offering sound isolation, they are less isolating than some competitors and exhibit significant sound bleed at high volumes.
The 0.704-ounce lightweight design and over-ear fit are comfortable for many, but the shallow insertion and plastic build don't suit all users.
This is a wired earphone model, so it does not have a battery or require charging.
Best For
- Budget-conscious gamers needing clear directional audio for footsteps.
- Casual music listeners who prefer an energetic, v-shaped sound signature, especially for rock or classical genres.
- Individuals exploring the in-ear monitor category without a significant financial commitment.
- Users who appreciate the flexibility of a removable cable for potential upgrades.
Not Recommended For
- Critical listeners requiring a neutral and uncolored sound profile, particularly in the midrange.
- Users in quiet shared spaces where sound leakage from high volume listening would be disruptive.
- Anyone prioritizing maximum passive noise isolation for travel or very noisy environments.
Watch Out For
- The metal screens on the ZST bores have been observed to be poorly glued, potentially affecting durability.
- Playing music at high volumes results in significant sound bleed, meaning others nearby can hear your audio.
- Some users report the midrange sounds thin and vocals can be distant, impacting the naturalness of certain tracks.
- Despite the ergonomic design, comfort is not guaranteed for all ear shapes, with some users finding them uncomfortable or prone to falling out.
Full Specifications
| UPC | 611517422164 |
| ASIN | B01N0782B3 |
| Brand | YINYOO |
| Color | Multicolor |
| Style | without mic |
| Units | 1.0 Count |
| Material | Plastic |
| Impedance | 18 Ohms |
| Model Name | Easy KZ ZST |
| Form Factor | In Ear |
| Item Weight | 0.704 ounces |
| Sensitivity | 106 dB |
| Control Type | Media Control |
| Manufacturer | kz |
| Cable Feature | Detachable |
| Ear Placement | In Ear |
| Noise Control | Sound Isolation |
| Control Method | Touch |
| Earpiece Shape | In Ear |
| Controller Type | wired |
| Headphones Jack | 3.5 mm Jack |
| Number of Items | 1 |
| Special Feature | Detachable Cable, Lightweight, Noise Cancellation, Stereo sound, Tangle Free Cord |
| Audio Driver Size | 10 Millimeters |
| Audio Driver Type | Hybrid Driver |
| Item model number | ZST |
| Compatible Devices | Laptops, Desktops, Tablets, Telephones, Televisions, Car Audio Systems, Home Entertainment Systems |
| Frequency Response | 20000 Hz |
| Hardware Interface | 3.5mm Audio |
| Product Dimensions | 3.15 x 1.18 x 1.97 inches |
| Included Components | Cable, Eartip, User Manual |
| Customer Package Type | FFP |
| Water Resistance Level | Waterproof |
| Age Range (Description) | Adult |
| Connectivity Technology | Wired |
| Specific Uses For Product | listen to music |
| Recommended Uses For Product | Recording |
| Supports Bluetooth Technology | No |
| Is Discontinued By Manufacturer | No |
| Wireless Communication Technology | wired |
What Buyers Say
The YINYOO KZ ZST IEMs punch above their $0-$49 price band, with many users surprised by the sound quality, especially the impactful bass and clear treble. However, this budget-friendly build comes with trade-offs like plastic construction where metal screens can be poorly glued. While comfortable for many due to their 0.704-ounce weight and over-ear design, some users struggle with fit, and sound bleed at high volumes is a recurring complaint. They're often recommended as a gateway into the IEM world, showcasing diminishing returns in audio fidelity.
“Dude, for twenty bucks, these things sound insane, like, the bass actually hits and the highs are so clear, but yeah, the screens on mine look kinda janky already.”
Common Praise
- The bass has satisfying weight, impact, and extension without muddying the sound.
- Treble is bright and sparkly, contributing to a lively and engaging sound.
- Instrument separation is clear, allowing for distinct individual sounds in complex audio.
- The over-ear wearing style is comfortable for many, even when wearing glasses.
- Soundstage is surprisingly wide and immersive for the price point.
- The removable cable adds value for customization and longevity.
Common Complaints
- The metal screens on the bores are sometimes poorly glued, raising durability concerns.
- Significant sound bleed occurs at high listening volumes, making them unsuitable for quiet public spaces.
- The midrange can sound thin and vocals distant, affecting the naturalness of certain music genres.
- Comfort is not universal, with some users finding the fit problematic or the earphones falling out.
- Noise isolation is only moderate, not providing deep passive noise blocking.
Ownership Tips
- Swapping the stock silicone ear tips for memory foam tips can significantly improve the seal, comfort, and bass response.
- The detachable cable means you can easily replace it if it breaks, or upgrade to a different type for perceived sound improvements.
- They plug directly into Xbox controllers and provide clear audio cues, making them a solid budget option for console gaming.
- The plastic build, while keeping them lightweight, means you need to be careful with handling to avoid damage.
Frequently Asked Questions
Does this model include a microphone?
No, this specific 'Colorful Without mic' version of the YINYOO KZ ZST does not come with a microphone.
Are these earphones suitable for gaming?
Yes, users report these are effective for gaming, providing clear dynamic range sound for in-game audio cues like footsteps and can plug directly into console controllers.
Can the cable be replaced or upgraded?
Yes, the KZ ZST features a removable cable design, allowing you to replace it if damaged or upgrade to a different cable type.
What kind of sound profile do these earphones have?
They are generally described as having a 'v-shaped' sound signature, meaning the bass and treble frequencies are emphasized, while the midrange is slightly recessed.
Are they comfortable for extended listening sessions?
Many users find them comfortable for hours due to their lightweight design and over-ear fit, but some individuals report discomfort or issues with them staying in place.
Buying Guide
When you're looking at in-ear monitors (IEMs) like these, you're essentially getting tiny speakers that sit directly in your ear canal. This wired model means no battery worries, but you're tethered to your device. The 'hybrid driver' setup here means it uses different types of speaker components for different sound frequencies, aiming for a more detailed sound than single-driver earbuds.
Hybrid Driver
This means the earphone uses both a dynamic driver (like a tiny traditional speaker, usually for bass) and a balanced armature driver (smaller, more precise, usually for mids and highs). It's like having specialized speakers for different parts of the sound, aiming for a fuller, more detailed audio experience.
Wired Connectivity
This simply means it connects to your device with a physical cable, typically a 3.5mm jack. You don't have to worry about charging batteries or Bluetooth pairing, but you're physically connected to your audio source.
Sound Isolation
Unlike active noise cancellation, sound isolation relies on the physical seal of the earphone in your ear to block out external noise. A better seal means less outside sound gets in, and often, better bass response from your music.
Alternatives
If you need deeper noise cancellation or a more neutral sound profile, look for IEMs with a focus on passive isolation through deeper insertion or models specifically tuned for a flatter frequency response. For wireless convenience, you'd need to search for Bluetooth-enabled in-ear headphones.
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