The JETFIBER X4+ Fusion Splicer is a compact, fast, and reliable fiber optic splicing machine designed for FTTH and network installation projects. Equipped with PAS core alignment and high-precision 4-motor technology, it ensures accurate, low-loss splicing every time. With a splice time of just 6 seconds and heating time as low as 8 seconds, the X4+ delivers exceptional speed and efficiency in the field. Built with a durable design and a 5600 mAh long-life battery, it supports over 300 splice-and-heat cycles on a single charge—making it ideal for technicians who need consistent performance in any environment.
Availability: In Stock
The JETFIBER X4+ Fusion Splicer is a next-generation fiber optic splicing machine engineered for speed, precision, and reliability. Designed for FTTH, backbone projects, data centers, and telecom network installation, the X4+ delivers superior performance with its advanced core-to-core alignment technology and high-precision splicing system.
With ultra-fast splice and heating times, the X4+ ensures efficient workflow in any field environment. Its high-resolution touch screen and smart user interface make operation intuitive, even for new technicians. Built to withstand tough conditions—dust, wind, and temperature variations—the X4+ is rugged and reliable for outdoor deployment.
Powered by a long-lasting high-capacity battery, the JETFIBER X4+ supports extended working hours, delivering hundreds of splice-and-heat cycles on a single charge.
Precision core alignment for consistently low splice loss
Ultra-fast splice + heating process for maximum productivity
Multi-functional fiber holder compatible with bare fiber, drop cable, and patch cord
Intuitive touch screen and user-friendly interface
Long-lasting battery for all-day field use
The JETFIBER X4+ is the perfect combination of speed, accuracy, and durability—built for professionals who demand reliable performance on every splice.
Size & Weight
D156 × W140 × H150 (mm), 1.9 kg (2.3 kg with battery)
Motors
High precision 4 motors
Fiber Alignment
PAS core alignment
Holder Type
Multi-functional fiber holder (compatible with bare fiber, drop cable, and patch cord)
Applicable Fibers
SM (ITU-T G.652)
EB (ITU-T G.654)
MM (ITU-T G.651)
DS (ITU-T G.653)
NZ/NZDS (ITU-T G.655)
BI (ITU-T G.657)
Fiber Diameter
Cladding: 80–150 µm
Coating: 100–1000 µm
Cleave Length
5–16 mm
Splice Mode
Max. 200 modes
Splicing Time
6 sec. [SM Fast program]
10 sec. [SM G.652 program]
Heating Mode
Max. 30
Heating Time
Adjustable
8 sec. with micro sleeves
12 sec. with slim 60 mm and 40 mm sleeves
Splice Protector Length
10–60 mm
Splice Image Capture
Max. 800 images
Splice Data Storage
Max. 20,000 records
Splice Loss
SM: 0.01 dB
EB: 0.02 dB
MM: 0.01 dB
DS: 0.02 dB
NZ/NZDS: 0.02 dB
BI: 0.02 dB
Return Loss
≥ 60 dB
Loss Estimation
Provided
Operating Conditions
Altitude: 0–5000 m
Humidity: 0–95%
Temperature: -20°C ~ +50°C
Wind velocity: up to 15 m/s
Storage Conditions
Humidity: 0–95%
Temperature: -40°C ~ +80°C
Battery storage: -20°C ~ +40°C
Tension
1.96–2.25 N
Screen
4.3-inch high-light color touch screen
Magnification
400× for X & Y dual-axis view
800× for X or Y single-axis view (zoom up)
Electrode Life
5000 splices
Power Supply
AC 100–240V, 50/60 Hz
Battery Capacity
5600 mAh high-capacity battery
Supports more than 300 times splicing and heating