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Ultra-high-speed USB 3.0 audio cable with RF filtering, EMI/RFI shielding, and precision-engineered connectors.
The iFi Mercury 3.0 is a high-performance USB signal transmission and power cord designed for audiophiles who demand uncompromised data integrity and the cleanest possible audio signal. Built to exceed the USB 3.0 specification, Mercury 3.0 delivers ultra-fast bandwidth, advanced noise suppression, and exceptional mechanical durability—ensuring your DAC receives pure, interference-free data.
Unlike mass-produced USB cables that rely on moulded plastic connectors, the Mercury 3.0 features iFi FINAL USB connectors—precision-machined from solid aircraft-grade aluminium. These connectors provide full end-to-end RF shielding and superior durability. Gold-plated contacts ensure long-term signal integrity and reliable performance for years of use.
USB 3.0 offers a massive 5.0Gbps bandwidth, over 10× faster than USB 2.0. This wide bandwidth allows audio data and power to pass with minimal disturbance, enabling faster, smoother, and lower-jitter transmission—especially beneficial for high-resolution audio systems.
In standard USB cables, power and data conductors are packed closely together, leading to interference, reduced conductivity, and degraded sound quality. The Mercury 3.0 solves this with quadruple shielding, fully separating and protecting the delicate USB data signal from the power line.
Many USB cables rely on narrow-band filters placed only at the ends, leaving the cable itself acting like an antenna. The Mercury 3.0 incorporates three custom metal-oxide ceramic RF noise silencers, each working over a different frequency range to broaden noise suppression.
Mercury 3.0 is part of iFi’s Dynamic Duo, alongside the Gemini 3.0. While Gemini 3.0 separates data and power into two physically independent cables, Mercury 3.0 achieves exceptional performance through a single run using advanced shielding and RF suppression.
The USB 3.0 platform mandates higher connector quality and superior cable construction. Mercury 3.0 meets these standards effortlessly, ensuring compatibility with current and future high-resolution audio formats and next-generation USB audio devices.
| USB Standard | USB 3.0 Ultra-Speed (5.0Gbps) |
|---|---|
| Audio Support | 24-bit / 192kHz and higher supported |
| Conductors | 24 & 28 AWG |
| Conductor Material | Heavy OFHC continuous-cast copper silver matrix |
| Insulation | HD Polyethylene |
| Shielding | Quadruple shields |
| Impedance | 90 ohms |
| AC Spark Insulation | 1500V |
| Connectors | iFi “FINAL” USB connectors (gold-plated) |
| Insulation Resistance | 100 MΩ |
| Tensile Strength | 1500 PSI |
| Lengths / Weight | 0.5 m / 98 g 1.0 m / 115 g |
Product Details
Few manufacturers make their own final connectors.
Most USB cables use moulded plastic covered connections that do not shield the high frequencies present in the USB data link. Noise leaks out and durability is compromised.
Our iFi FINAL USB connectors provide impeccable end-to-end RF shielding, being machined entirely from solid, aircraft-grade aluminium. Plus gold-plated connections make for years of steadfast service.
USB3.0’s ultra-speed bandwidth of 5.0Gbps offers an incredibly wide bandwidth, 10x that of USB2.0’s 480Mbps.
With generic mass-produced USB cables, the data and power cables are normally packed together. This means that they do not conduct as well as they should and they are not sufficiently shielded from each other. This has a negative impact on USB signal integrity and degrades sound quality.
Our quadruple shielding fully separates and protects the delicate USB data signal from the power. This protects the cable from RFI and EMI noise to provide the cleanest transfer medium possible.
Most standard USB cables do not address RF issues and are fitted with filters that work over too narrow a range and are only fitted at the ends of the cables, leaving the length of the cable to act as an antennae.
iFi’s three custom-made metal oxide ceramic filters have a different effective range to broaden the range over which RF noise is silenced. The middle silencer is adjustable and can be moved along the whole length of the cable. This then “detunes” the antennae formed by the cable. The other two silencers should be kept as close to each respective end as possible.
A new tariff system will take effect across all 27 EU member states starting 1 July 2026. The EU is abolishing the duty exemption for low-value parcels — all goods entering the EU will now be subject to customs duties, including a fixed duty of €3 per HS tariff code category for IOSS-declared goods under €150.
A handling surcharge of USD $5 has been applied to all standard shipments to EU countries on orders under $500. Orders over $500 qualify for free expedited shipping.
We collaborate with the following courier companies:
In the event that a shipment is refused, undeliverable, or returned to sender, HiFiCat will process a refund to the original payment method. If a customer requests reshipment, a reshipment fee will apply. A restocking fee of up to 20% may also apply.
All taxes and duties are prepaid (DDP). 5–10 working days. Free standard shipping.
Tracking examples:
Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Cyprus
All taxes and duties are prepaid (DDP). 10–15 working days.
💰 Shipping cost: $5.00 USD (orders $0–$500) | Free (orders $500+, via DHL Express)
Tracking examples:
Norway, Switzerland, Ukraine, Armenia, North Macedonia, Moldova, Monaco, San Marino, Vatican City, Serbia, Albania, Kosovo, Montenegro, Bosnia & Herzegovina, Belarus, Georgia, Andorra, Guernsey, Jersey, Faroe Islands, Svalbard & Jan Mayen, Guadeloupe, Réunion, Gibraltar, Isle of Man, Mayotte, Iceland, Liechtenstein, Turkey
All taxes and duties are prepaid (DDP). 10–15 working days. Free standard shipping.
Main tracking portal: https://t.17track.net/
📧 Email: support@thehificat.com
📞 Tel: +8619270016096
