YZ-133 – Dual Dynamic Custom-Fit HiFi Earphones
The YZ-133 is engineered for audio enthusiasts who demand immersive listening and high-output performance. Equipped with dual dynamic drivers and a fully customizable 3D printed shell, it offers powerful low-end response and smooth highs—perfect for both everyday enjoyment and studio-grade applications.
Specifications
- Speaker: Dual Dynamic Drivers
- Impedance: 20 Ohm
- Sensitivity: 106 dB
- Frequency: 18Hz – 30kHz
- Earbud Case: 3D Printed Custom Shell
- Tuning: PE Tuning Tube Individual Tuning
Sound Frequency Test
Frequency testing ensures that earphones accurately replicate audio across the audible spectrum. The YZ-133's range from 18Hz to 30kHz captures deep sub-bass and vibrant treble, offering detailed and lively sound reproduction that enhances every musical nuance.
Here is the frequency test result:
Comparison with Other Models
| Model | Driver Type | Frequency Response | Sensitivity | Impedance | Earbud Case | Tuning |
|---|---|---|---|---|---|---|
| HY-135 | Hybrid (1×10mm Dynamic + 6×BA) | 10Hz–20,000Hz | 104 dB ±1.5 | 12 Ohm | 3D Printing | PE Tuning Tube Individual Tuning |
| YY-132 | Dual Balanced Armature | 20Hz–20kHz | 112 dB | 21 Ohm | 3D Printed Shell | Precision Tuned |
| LB-136 | Dynamic Driver | 10Hz–35kHz | 110 dB | 16 Ohm | 3D Printed | Custom PE Tube |
| RS-137 | Dual Dynamic Driver | 15Hz–28kHz | 107 dB | 19 Ohm | 3D Printed Resin | Hand Tuned |
| YZ-133 | Dual Dynamic | 18Hz–30kHz | 106 dB | 20 Ohm | 3D Printed Custom Shell | PE Tuning Tube Individual Tuning |
Sound Signature
YZ-133 delivers a V-shaped sound profile with emphasized bass and treble, creating an engaging soundstage ideal for energetic music genres like EDM, hip-hop, and rock. Its refined dual-dynamic setup ensures minimal distortion and rich tonal clarity.
Real-World Use Cases
- Recommended for DJs and live performers who prioritize bass impact
- Great for daily commuting with noise-isolating fit
- Popular among bass lovers and casual audiophiles
Certifications & Build Quality
Manufactured in ISO and CE certified facilities, the YZ-133 is RoHS compliant and undergoes thorough acoustic analysis. Its robust, 3D-printed custom shell ensures a secure and ergonomic fit while maintaining long-term reliability.
Care & Maintenance Tips
- Store in a dry case when not in use
- Clean ear nozzles with a soft brush regularly
- Keep away from direct sunlight and extreme heat
Customization Options
The YZ-133 supports full customization including shell color, faceplate design, detachable cable choices (MMCX/2-pin), and fine-tuned acoustic settings. Suitable for both aesthetic and functional personalization.
Conclusion
With its dual dynamic setup, ergonomic custom shell, and powerful audio performance, the YZ-133 stands out in the high-performance IEM category. It is a versatile solution tailored for listeners who demand deep bass, sharp detail, and a visually striking design.
