Furutech FI-11M (Cu) Power Plug
Best high-purity connector for audiophiles building custom power cables.
The Furutech FI-11M(Cu) is a high-end performance AC power connector designed for superior electrical transfer. It features an Alpha-Pure copper conductor and incorporates an Earth (Ground) Jumper System for enhanced safety and signal integrity. The construction utilizes a durable polycarbonate shell paired with a nylon/fiberglass front body for robust housing. Rated for 15A/125V, this connector accommodates cables with diameters ranging from 6.6mm up to 16mm, supporting wire sizes up to 10AWG. It is certified by PSE JET and USL/CNL, making it a reliable choice for demanding audio and power applications where unplated, high-purity connections are desired.
$41.00
Owner Satisfaction
4.7
/ 5
Category Rank
77
/ 1421
#77 in Electronics Component Connectors
Price vs Category Average
-81%
Below average
Rating
15125
/ A/V
Who it's for
- Listeners demanding the highest level of sonic clarity and resolution
- Audiophiles seeking maximum signal purity and dynamic power transfer
- System builders prioritizing mechanical stability and resonance control
Who should skip it
- Budget-conscious hobbyists looking for cost-effective component upgrades
- Users wanting a low-maintenance, set-and-forget power connection
- DIYers working with thick, heavy-gauge audiophile power cables
Performance breakdown
Conductivity Purity
Alpha-Pure copper ensures minimal resistance for high-fidelity power delivery.
Build Robustness
Nylon and fiberglass housing provides exceptional durability for heavy-duty cables.
Grounding Integrity
Integrated jumper system effectively eliminates noise and enhances signal stability.
Cable Compatibility
Versatile design accommodates a wide range of thick, high-end power cables.
Installation Ease
Straightforward assembly process for enthusiasts upgrading their own power lines.
Safety Compliance
Dual PSE and USL/CNL certifications guarantee reliable performance under demanding loads.
Key Specs
Rating
15A/125V
Type
2-pole+earth
Cable Diameter Compatibility
6.6mm to 16mm
Wire Accommodation
Max 10AWG
Dimensions
40.2mm length x 39mm diameter x 73mm overall length
Front Body Material
Nylon/fiberglass
Shell Material
Polycarbonate
Certifications
PSE JET, USL /CNL Listed
Features
- Integrated Earth (Ground) Jumper System for enhanced signal integrity
- Durable construction with polycarbonate and nylon/fiberglass components
- Designed for high-end performance power applications
What customers say
Consumers overwhelmingly focus on the uncompromising quality and robust construction of the FI 11M plug. Reviewers consistently highlight the precision engineering and the tangible feel of the pure copper conductors, noting that this attention to detail reinforces the product's premium standing. While priced higher than standard options, users frequently report that the resulting performance enhancement provides excellent perceived value, making it a worthwhile investment for serious audio enthusiasts seeking reliability and sonic clarity.
Know before you buy
The unplated copper provides a direct, high-purity contact surface without the potential sonic coloration or impedance changes sometimes associated with plating materials like gold or rhodium. It is an excellent choice for listeners who prefer a neutral, transparent signal path.
The FI-11M (Cu) is designed to accommodate cable diameters ranging from 6.6mm to 16mm. If your cable is within this range and uses wire up to 10AWG, it will fit securely within the housing.
This system effectively bridges the connection between the metal parts of the connector and the ground wire. It helps reduce electrical noise and potential ground loops, contributing to a quieter, more stable power delivery for sensitive audio equipment.
Yes, it is a standard choice for audiophile DIY projects. Its robust nylon/fiberglass and polycarbonate construction makes it easy to assemble, provided you have experience with high-voltage electrical terminations.
Yes, the FI-11M (Cu) is PSE JET and USL/CNL certified. These certifications confirm that the connector meets rigorous safety and performance standards for electrical components.
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