KZ ZSX 1DD+5BA Hybrid HiFi Stereo Earphones - Perfect for Musicians

The market for headphones and earbuds is more competitive than ever, with countless options at every price point. In the budget segment, the erjigo KZ ZSX aims to stand out by offering a hybrid driver setup and detachable cables at an affordable price. In this review, we’ll take a close look at the design, features, sound quality and value of these intriguing wired in-ear monitors (IEMs).

Overview

The KZ ZSX is a 1DD+5BA hybrid IEM featuring one dynamic driver and five balanced armature drivers per earbud. The shell is made of zinc alloy with a resin interior, giving it a lightweight yet durable feel. The detachable cables allow for easy replacement and upgrading. Key features include:

• Hybrid 1DD+5BA driver configuration
• Detachable 0.75mm 2-pin cables
• Sensitivity: 111dB/mW
• Impedance: 24Ω
• Frequency Response: 7Hz-40kHz

Design and Comfort

The angular, faceted design stands out from typical earbud shapes. An over-ear wire helps secure the ZSX in place. The nozzle angle and selection of included eartips allow the IEMs to fit comfortably and securely for most ears. The compact, ergonomic shape makes them suitable for sports and active use.

Build quality feels solid thanks to the metal shells. The detachable cables use sturdy connectors and relieve strain well. The included cable doesn’t transmit much noise. Overall, the design enables all-day listening comfort.

Sound Quality

With its hybrid driver setup, the ZSX delivers highly detailed and balanced sound with emphasized treble and bass. The dynamic driver handles low frequencies while the balanced armatures reproduce mids and highs.

Bass has good depth and punch but not overpowering. Mids are clear and vocals sound natural. Highs are crisp and airy. Soundstage has nice width. Imaging lets you pinpoint instrument positions.

Overall, the ZSX performs well above its price range, providing engaging, hi-fi sound. It’s a noticeable upgrade over cheaper earbuds.

Features

The ZSX has standard wired headphone functionality. Playback controls are handled by the audio source device. The optional microphone cable adds call handling but may affect sound quality slightly.

While missing modern features like Bluetooth and active noise cancelling, the ZSX focuses solely on delivering great wired sound. The replaceable cables enhance durability and customization ability.

Use Cases

The ZSX is ideal for:

• Music listening - The engaging sound brings out details in your favorite tunes.
• Podcast/audiobook listening - Vocals come through clearly. Good noise isolation.
• Commuting and travel - Secure fit blocks ambient noise on trains, planes.
• Workouts - Sweat resistant design and over-ear hooks keep the ZSX in place.

User Feedback Analysis

Reviews for the KZ ZSX are overwhelmingly positive, with most users rating them 4 or 5 stars out of 5. Here are some key points that emerge from hundreds of customer reviews:

• Sound quality - The most frequent praise is for the excellent sound with impactful bass, clear mids and crisp treble. Many describe the sound as “amazing” and “impressive”. Even audiophiles agree the ZSX performs above its price range.

• Comfort - Users find the ergonomic shape and selection of eartips allow the IEMs to fit securely and stay in place. They can be worn comfortably for hours. The compact size makes them ideal for active use.

• Value - Reviewers universally agree these headphones provide incredible value. The advanced hybrid driver design and detachable cables rival much more expensive earphones.

• Cables - Having detachable, replaceable cables earns praise for making the ZSX more durable and future-proof. Users appreciate being able to upgrade cables.

• Noise Isolation - Many mention the good seal and snug fit block out ambient noise effectively, making the ZSX suitable for travel and commuting.

While a small minority had issues with harsh treble or poorly fitting eartips, most describe the ZSX as the best earphones they’ve used in this price range. It receives outstanding reviews as a budget headset that punches far above its weight.

Pros

• Great value for a hybrid IEM
• Impressive soundstage and imaging
• Good noise isolation
• Secure and comfortable fit

Cons

• No Bluetooth or noise cancelling
• Non-removable cables lack modern features
• Treble may be harsh for some

Value

The ZSX’s sophisticated hybrid driver design provides audiophile-level sound that competitors can’t match at this price point. The replaceable cables and metal alloy housing only add more long-term value.

Reviewers looking for the absolute best sound quality under $100 will be hard pressed to find a better option than the ZSX. The combination of stellar performance, premium materials and useful features creates tremendous value unmatched by other budget earphones. For shoppers prioritizing sound over features, the ZSX is a steal.

Conclusion

With excellent sound, stylish design and replaceable cables, the erjigo KZ ZSX punches far above its budget-friendly price point. Audiophiles will be impressed by the detailed, balanced sound showcasing this hybrid IEM’s technical capabilities. For those seeking wired earbuds with hi-fi performance and quality, the ZSX should be on your shortlist.

Specifications

• Driver Configuration: 1DD + 5BA per earbud
• DD Driver: 10mm dynamic driver
• BA Drivers: Knowles 33518 for lows, 29689 for mids, 30017 for highs
• Sensitivity: 111dB/mW
• Impedance: 24ohms
• Frequency Response: 7Hz - 40kHz
• Distortion: ≤1% @ 1kHz
• Rated Power: 5mW
• Max Input Power: 20mW
• Cable Length: 1.2m
• Plug Type: Gold-plated 3.5mm unbalanced
• Weight: 5.6g per earbud
• Included Eartips: 3 pairs (S/M/L) silicone tips
• Waterproof Rating: IPX4 sweat resistant
• Warranty: 1 year

Box Contents

• KZ ZSX earphones
• 3 sizes of silicone eartips
• 2-pin 0.75mm detachable cable
• Manual and warranty card

Usage

1. Select appropriate eartips for fit and seal
2. Insert IEMs with over-ear hooks going around ears
3. Attach cable to IEMs firmly until it clicks
4. Plug 3.5mm connector into audio source
5. Adjust volume and enjoy your music!

Frequently Asked Questions

What makes the erjigo KZ ZSX 1DD+5BA Hybrid HiFi Stereo Noise Isolating Sport IEM Earphones stand out in terms of sound quality?

The erjigo KZ ZSX 1DD+5BA Hybrid HiFi Stereo Noise Isolating Sport IEM Earphones feature a unique six-driver system, which includes one dynamic driver and five balanced armature drivers. This combination delivers a balanced, powerful, and articulate sound stage, offering an exceptional listening experience for musicians and audiophiles alike. Such a configuration is designed to provide a wide range of sound frequencies and a detailed audio landscape, making it ideal for various music genres.

How does the design of the erjigo KZ ZSX contribute to its comfort and durability?

The design of the erjigo KZ ZSX incorporates a compact and ergonomic structure, which is redesigned from the perspective of ergonomics to improve wearing stability. Its lightweight and low-profile shape is meant to rest comfortably in the ears. Additionally, the earbuds feature a strong and tough zinc alloy cover paired with an imported resin cavity, ensuring not only comfort but also durability and a light luxury craft texture. This design choice contributes to the longevity and wearability of the earphones.

What are the connectivity options for the erjigo KZ ZSX, and how do they enhance the user experience?

The erjigo KZ ZSX offers a detachable cable system, which provides multiple connectivity options for long-term device compatibility, upgrades, and ease of maintenance. This feature allows users to replace cables to extend the earphones’ performance and experience different sound qualities. Moreover, the 3.5mm gold-plated L-type plug ensures minimal signal transmission loss and is compatible with a wide range of devices, enhancing the user experience by offering flexibility and ensuring consistent audio quality.

Tips

• To maximize the sound quality of the erjigo KZ ZSX, consider using the earphones with devices that support high-quality audio formats and settings. The earphones’ wide frequency range and detailed sound reproduction will benefit from high-resolution audio sources.
• For users who prioritize durability and the option to customize their audio experience, the detachable cable feature of the erjigo KZ ZSX is a significant advantage. It allows for easy replacement or upgrade of the cable, potentially enhancing the longevity and performance of the earphones.
• To ensure a comfortable fit and optimal sound isolation, experiment with the different sizes of earbud tips included in the package. Proper fit not only improves comfort but also enhances the overall sound quality and isolation, making the listening experience more immersive.