Bellos Audio X4 CIEM
Featuring an added ultra-high driver and proprietary In-Air Canal technology, the X4 delivers an unprecedented level of clarity, detail, and realism.
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Bellos Audio is thrilled to unveil the X4, the flagship product from the X-Series line of Custom In-Ear Monitors. The X4 is the culmination of Bellos Audio's dedication to delivering an exceptional audio experience to musicians and audiophiles alike. Featuring an added ultra-high driver and our proprietary In-Air Canal technology, the X4 delivers an unprecedented level of clarity, detail, and realism.
The X4’s tuning is finely crafted to deliver a reference warm sound signature that reveals every subtle detail of your music. The ultra-high driver provides an extended frequency response, delivering a very smooth and natural sound. The In-Air Canal technology enables the most comfortable CIEM listening experience. So comfortable it’s like having nothing in your ears! The X4’s are the best in class in ear monitors and are the perfect choice for anyone who demands the highest level of audio quality.
Like all X-Series, it comes with a host of additional proprietary technologies such as ATOM Venting which greatly expands the soundstage, beautiful 3D Printed Matte Shells, the ultra-durable RCX Cable Connector, Modular Drivers & Removable Faceplates for fast and easy service and repairs.
In-Air Canals
If you’ve ever used Custom IEMs before, you know that when you open your jaw to sing or talk, your ear canals change shape. As a result the CIEMs sometimes lose seal and feel uncomfortable in the ear.
Introducing the revolutionary In-Air Canal technology from Bellos Audio. A proprietary design that enables a full seal at the aperture (the entrance) of the ear canal. Giving all the benefits of CIEMs with out the drawbacks. They’re so comfortable you’ll forget you have them in!
ATOM Venting
A pressure relief system that vents air pressures that build up in a sealed ear canal. Expanding the soundstage and greatly reducing listener fatigue so you can hear more and listen longer. You no longer feel like you’re disconnected from your environment.
3D Printed Matte Shells
Using patented 3D Printing technology, Bellos Audio designs the Custom In-Ear Monitors inside a 3D software with nanometer precision. The parts are printed and efficiently assembled by hand, with very fast turnaround. Shortly after, the matte finish is applied to the CIEM shell to provide a very comfortable and organic fit with a “grippy” consistent seal.
Optional RCX Cables
One of the most common points of failure is the cable. Bellos Audio's proprietary RCX Cable changes this. The only cable connection specifically made for Custom In-Ear Monitors. Rated for 5,000 connections without fail.
Removable Faceplates
A revolution in Custom In-Ear Monitor design. A conventional Custom IEM needs to be cut open to be repaired. Bellos Audio's design features a faceplate that is attached with alloy steel screws and allows them to quickly and efficiently repair Custom In-Ear Monitors.
Modular Drivers
The CIEM shell is designed to accept a pre-assembled driver package which is tested in advance to ensure it meets all specifications. Modular drivers are designed to be installed and removed without having to damage and destroy the CIEM shell.
- In-Air Canal Technology provides the most comfortable CIEM listening experience
- ATOM Venting releases harmful air pressues from a sealed ear canal
- 3D printed matte finish Shell with next generation computer aided manufacturing process and ultra fast turnaround
- Optional RCX cable connector provides the ultimate in IEM cable durability
| Drivers | 3 Balanced Armature drivers + 1 Dynamic Driver |
| Frequency Response | 20Hz – 20kHz |
| Impedance | 16Ω at 1kHz |
| Sensitivity | 116 dB/mW |
| Crossover | Integrated 4-Way Crossover |
| Isolation | -17dB (internal ATOM) |
