CrinEar Nightfall | Dynamic Universal IEMs

Dual-Dynamic Monolithic Aluminum IEMs
- 10mm Full-Range DD + 8mm Subwoofer DD
- Natural Sound with Sub-Bass Focus
- Small Aluminum Shell for Durability and Comfort
- Interchangeable 3.5mm + 4.4mm Terminations

Monolithic Marvel
Nightfall is built on CrinEar’s Multi-Dynamic Monolithic (MDM) platform, where the internal acoustic structure is machined directly into the shell. This eliminates the need for traditional tubes or modular chambers and allows for a more precise and consistent sound. By integrating the drivers and acoustic pathways into a single system, Nightfall achieves improved coherence and control across the frequency range.
Balanced Versatility
Nightfall is tuned with the aid of the latest audio research, targeting a balanced and natural sound with a focused sub-bass response and warm tilt.
The bass is controlled and present without overpowering, the mids are accurate and lifelike, and the treble is smooth without any sense of dullness. This makes Nightfall highly versatile and suitable for a wide range of music genres and listening preferences.
CrinEar Dynamics
At the core of Nightfall is a proprietary dual dynamic driver configuration designed and built by Kingtone, exclusively for CrinEar. A 10mm full-range driver provides the foundation with natural tonality, while an 8mm driver acts as a bass control system that sculpts the Nightfall’s low-end response to our ideal target.
Both drivers are designed specifically for the MDM platform, ensuring seamless integration and a cohesive sound signature rather than a segmented presentation.

Compact Strength
The shell is precision CNC-machined from aluminium and finished with a bold Midnight Blue anodised layer, offering durability without the weight of heavier metals.
The CrinEar MDM platform allows the Nightfall to be built as compact as possible, making them the smallest earphones they have built yet. This makes Nightfall comfortable for extended listening sessions while maintaining the structural integrity required for its monolithic acoustic design.
Flagship Design for the Masses
The Nightfall shares its core architecture and driver system with the Project Monolith, CrinEar’s flagship concept model. This makes Nightfall a rare offering at its price point, bringing high-end engineering principles into an accessible, everyday format.
| Product Information | |
|---|---|
Price |
$99.99 |
Rating |
(0)
|
| Headphone Design | |
Brand |
CrinEar
|
Drivers |
10mm Full-range CrinEar™ DD
8mm Subwoofer CrinEar™ DD Multi-Dynamic Monolithic (MDM) Acoustic Structure |
| Headphone Performance | |
Impedance |
9Ω @1kHz
|
Frequency Response |
2Hz ~ 38,000Hz
|
| In the Box | |
Cables |
Silver-plated Copper Cable
|
Accessories |
Silicone carrying case
S/M/L “Shorter bore” silicone eartips XS/S/M/L “Widebore” silicone eartips M foam eartips |
