CrinEar Nightfall

Dynamic In-Ear Headphones

• Dual-dynamic driver configuration (10 mm + 8 mm) developed exclusively with Kingtone for CrinEar
• Multi-Dynamic Monolithic (MDM) acoustic architecture machined directly into the shell
• Warm-neutral tuning based on population-averaged diffuse field research
• CNC-machined aluminium shell with a Midnight Blue anodised finish
• Detachable cable with interchangeable 3.5 mm and 4.4 mm connectors

CrinEar Nightfall brings the technology behind the $399 Project Monolith to a more accessible price point. B

uilt on CrinEar's MDM (Multi-Dynamic Monolithic) platform, Nightfall uses the same dual-dynamic configuration and integrated acoustic architecture, with its chambers and pathways CNC-machined directly into a lightweight anodised aluminium shell.

Every driver is developed from the ground up in direct collaboration with China's leading IEM dynamic driver manufacturer. 

The result is a fully bespoke dual-dynamic system designed around the MDM architecture, combining a natural midrange with deep, controlled bass and a smooth, engaging presentation.

Nightfall follows CrinEar's science-first approach, using a population-averaged diffuse field baseline refined into a warm-neutral tuning. 

It delivers advanced acoustic engineering, custom drivers, and monolithic design in an IEM built for everyday listening, at CrinEar's most attainable price bracket yet.

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 a 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 10 mm full-range driver provides the foundation with natural tonality, while an 8 mm driver acts as a bass control system that sculpts 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 Nightfall to be built as compact as possible, making it the smallest earphone CrinEar 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

Nightfall shares its core architecture and driver system with 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.

Specifications

Driver configuration: 10 mm full-range CrinEar DD + 8 mm subwoofer CrinEar DD

Acoustic structure: Multi-Dynamic Monolithic (MDM)

Impedance: 9 Ω @1 kHz

Sensitivity: 104 dB/mW @1 kHz

Frequency response range: 2 Hz to 38,000 Hz

Nozzle width: 6.0 mm (lip)

Cable material: silver-plated copper

What's in the Box

Detachable 2-pin silver-plated copper cable

Interchangeable 3.5 mm single-ended and 4.4 mm balanced connectors for universal compatibility

3 pairs of shorter-bore silicone tips (S/M/L)

4 pairs of short-wide silicone tips (XS/S/M/L)

1 pair of M-sized foam tips

Silicone zip carrying case