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Product Description

Line Circle
SilentPower Gemini 3.0 is a high-end dual-headed USB audio cable designed to reduce interference by separating USB data and USB power into two dedicated paths. Built with iFi “FINAL” solid aluminium connectors for end-to-end RF shielding and gold-plated contacts for long-term reliability, it targets cleaner USB signal delivery to DACs and audio interfaces. With quadruple shielding, controlled 90Ω impedance, and premium OFHC continuous-cast copper conductors, it’s engineered to preserve signal integrity and minimize noise pickup. Choose 0.7m or 1.5m options for an audiophile-grade USB upgrade that supports USB 3.0 SuperSpeed bandwidth.
Get the Details

Features & Specs Line Circle

Dual-headed data + power separation
Keeps the sensitive USB data path physically apart from the power path, helping reduce interaction from power-borne noise that can cloud audio performance.
90Ω impedance control
Designed to adhere closely to USB impedance requirements, which can reduce mismatch-related degradation and support a more consistent, stable digital link.
Quadruple shielding for RF control
Multiple shielding layers help prevent the cable run from acting like an antenna, lowering the chance of RF interference impacting the signal.
iFi “FINAL” solid aluminium connectors
Fully machined, aircraft-grade aluminium connector bodies provide end-to-end RF shielding and increased mechanical strength compared with typical moulded plugs.
Gold-plated connection surfaces
Gold plating helps resist oxidation and wear over time, supporting dependable contact and long-term performance.
USB 3.0 SuperSpeed capability
Supports the wide bandwidth of USB 3.0 (up to 5.0Gbps), making it well-suited for modern audio devices that benefit from higher-speed USB links.
Dual-headed data + power separation
Keeps the sensitive USB data path physically apart from the power path, helping reduce interaction from power-borne noise that can cloud audio performance.
90Ω impedance control
Designed to adhere closely to USB impedance requirements, which can reduce mismatch-related degradation and support a more consistent, stable digital link.
Quadruple shielding for RF control
Multiple shielding layers help prevent the cable run from acting like an antenna, lowering the chance of RF interference impacting the signal.
iFi “FINAL” solid aluminium connectors
Fully machined, aircraft-grade aluminium connector bodies provide end-to-end RF shielding and increased mechanical strength compared with typical moulded plugs.
Gold-plated connection surfaces
Gold plating helps resist oxidation and wear over time, supporting dependable contact and long-term performance.
USB 3.0 SuperSpeed capability
Supports the wide bandwidth of USB 3.0 (up to 5.0Gbps), making it well-suited for modern audio devices that benefit from higher-speed USB links.

Expert Insight

Line Circle

Superior design. Better signal. Strong shielding.

Expert Img
Dylan Crane
Brand Manager

Details

Line Circle

iFi SilentPower Gemini 3.0

SilentPower Gemini 3.0 is a premium dual-headed USB audio cable engineered to deliver maximum signal transfer with minimum interference. Unlike typical USB cables that bundle power and data together (inviting noise, impedance mismatch, and RF issues), Gemini 3.0 physically separates the USB data path from the USB power path to help keep the delicate audio signal cleaner and more stable. Built with iFi “FINAL” USB connectors machined from solid aircraft-grade aluminium for end-to-end RF shielding, plus gold-plated contacts for long-term durability, it’s designed for serious listeners who want their USB DAC, sound card, or interface to perform at its best. With USB 3.0 SuperSpeed bandwidth support (up to 5.0Gbps) and carefully controlled 90Ω impedance, Gemini 3.0 is a purpose-built upgrade for high-resolution playback chains where lowering interference can translate into clearer detail, improved space, and a more natural top end.

What It's Good At:

  • Separating USB power from USB data to reduce interference in audio playback chains
  • Preserving USB signal integrity with 90Ω impedance and low-loss cable geometry
  • Minimizing RF pickup with quadruple shielding and fully shielded metal connectors
  • Delivering durable, consistent connections via gold-plated contacts and solid aluminium “FINAL” connectors
  • Supporting high-bandwidth USB 3.0 SuperSpeed links (ideal for modern DACs and audio interfaces)
  • Improving perceived clarity and soundstage focus in revealing hi-fi systems

iFi SilentPower Gemini 3.0 Full Specifications:

  • Product name: SilentPower Gemini 3.0
  • Type: Dual-headed USB cable (separate data and power leads)
  • Primary purpose: Reduce interference by separating USB data signal from USB power
  • SKU (page): 03-06-020-0001-00
  • Available options (as listed on product page):
    • Input / Version options: USB 2.0; USB 3.0
    • Length options: 0.7m; 1.5m
    • Variant SKUs (as listed):
      • Gemini 3.0 – USB 2.0 / 0.7m: 03-06-026-0001-00
      • Gemini 3.0 – USB 2.0 / 1.5m: 03-06-026-0002-00
      • Gemini 3.0 – USB 3.0 / 0.7m: 03-06-020-0001-00
      • Gemini 3.0 – USB 3.0 / 1.5m: 03-06-020-0002-00
  • What’s in the box:
    • 1x Gemini 3.0
    • 1x User Manual
  • Tech Specifications (USB3 Data):
    • Construction: Minimum inductance parallel construction
    • Conductors: 24 and 28AWG
    • Conductor material: Heavy OFHC continuous cast copper silver matrix
    • Insulation: HD Polyethylene
    • Shielding: Quadruple-shields
    • Impedance: 90Ohms
    • AC spark insulation: 1500V
    • Connectors: iFi “FINAL” USB connectors
    • Insulation resistance: 100Mohm
  • Tech Specifications (USB3 Power):
    • Construction: Minimum inductance parallel construction
    • Conductors: 12AWG
    • Conductor material: Heavy OFHC continuous cast copper
    • Insulation: Linear Polyethelyne (LPE) insulation
    • Current rating: 30A
    • Lengths/Weights:
      • 0.7m / 150g (0.33 lbs)
      • 1.5m / 170g (0.37 lbs)
    • Warranty period: 12 months
    • Note: The image colour may differ from the actual product due to lighting; refer to the product for accuracy.

iFi SilentPower Gemini 3.0 Q&A:

Can a USB cable affect audio signal quality?
Yes. Any cable can introduce degradation through impedance mismatch and general signal loss. The closer a cable stays to the 90Ω USB specification—and the lower its losses from materials, plating, insulation, and geometry—the less it can attenuate or disturb the signal. If degradation becomes severe, the connection can become unreliable, and even before obvious dropouts, sound quality may still be affected.
What makes the Gemini USB cable design different from a standard USB cable?
USB wasn’t originally designed with high-quality audio in mind. Gemini separates audio (data) and power into two physically separate legs to help reduce interaction between power noise and data transfer, and it’s designed around proper 90Ω USB impedance to maintain signal integrity. This approach aims to reduce interference and improve consistency compared with many typical all-in-one USB cables.
How do I identify the correct connector type for Gemini 3.0 vs Mercury 3.0?
There are different “B” connector types associated with these cables, so using the correct version matters. The listed EANs help retailers confirm the right model: Mercury Cable 3.0 (USB2.0 “B” connector) – 0.7m (5081313081752); Mercury Cable 3.0 (USB2.0 “B” connector) – 1.5m (5081313081769); Gemini Cable 3.0 (USB3.0 “B” connector) – 0.7m (5081313081776); Gemini Cable 3.0 (USB3.0 “B” connector) – 1.5m (5081313081783).
How are the internal pins wired on the Gemini dual-head design?
The audio-marked leg carries data only (pins “–” and “+”). The power-marked leg carries power only (5V and Ground). This split is the core of the Gemini concept: separating data from power.
What wire gauges are used in the cable?
The data side uses 24AWG and 28AWG conductors.
Why do some “audiophile” USB cables fail to work reliably?
Some cables are not certified to USB standards and don’t conform to the relevant USB specifications, which can cause compatibility problems across different devices. A cable that correctly conforms to USB 2.0 standards should work reliably, while still benefitting from improved construction and adherence to specs.
How do I connect Gemini 3.0 correctly?
Connect the USB “A” Audio connector to a USB port on your computer. Connect the USB “A” Power connector to a USB port on your computer. Then connect the USB “B” connector to the USB input on your DAC, sound card, or interface.
What lengths and weights are available?
Two lengths are listed: 0.7m (150g / 0.33 lbs) and 1.5m (170g / 0.37 lbs).

iFi SilentPower Gemini 3.0 Downloads:

iFi SilentPower Gemini 3.0 User Manual

Reviews

Line Circle
Product Descriptiondown arrow

Product Description

Line Circle
SilentPower Gemini 3.0 is a high-end dual-headed USB audio cable designed to reduce interference by separating USB data and USB power into two dedicated paths. Built with iFi “FINAL” solid aluminium connectors for end-to-end RF shielding and gold-plated contacts for long-term reliability, it targets cleaner USB signal delivery to DACs and audio interfaces. With quadruple shielding, controlled 90Ω impedance, and premium OFHC continuous-cast copper conductors, it’s engineered to preserve signal integrity and minimize noise pickup. Choose 0.7m or 1.5m options for an audiophile-grade USB upgrade that supports USB 3.0 SuperSpeed bandwidth.
Get the Details
Features & Specsdown arrow

Features & Specs Line Circle

Dual-headed data + power separation
Keeps the sensitive USB data path physically apart from the power path, helping reduce interaction from power-borne noise that can cloud audio performance.
90Ω impedance control
Designed to adhere closely to USB impedance requirements, which can reduce mismatch-related degradation and support a more consistent, stable digital link.
Quadruple shielding for RF control
Multiple shielding layers help prevent the cable run from acting like an antenna, lowering the chance of RF interference impacting the signal.
iFi “FINAL” solid aluminium connectors
Fully machined, aircraft-grade aluminium connector bodies provide end-to-end RF shielding and increased mechanical strength compared with typical moulded plugs.
Gold-plated connection surfaces
Gold plating helps resist oxidation and wear over time, supporting dependable contact and long-term performance.
USB 3.0 SuperSpeed capability
Supports the wide bandwidth of USB 3.0 (up to 5.0Gbps), making it well-suited for modern audio devices that benefit from higher-speed USB links.
Dual-headed data + power separation
Keeps the sensitive USB data path physically apart from the power path, helping reduce interaction from power-borne noise that can cloud audio performance.
90Ω impedance control
Designed to adhere closely to USB impedance requirements, which can reduce mismatch-related degradation and support a more consistent, stable digital link.
Quadruple shielding for RF control
Multiple shielding layers help prevent the cable run from acting like an antenna, lowering the chance of RF interference impacting the signal.
iFi “FINAL” solid aluminium connectors
Fully machined, aircraft-grade aluminium connector bodies provide end-to-end RF shielding and increased mechanical strength compared with typical moulded plugs.
Gold-plated connection surfaces
Gold plating helps resist oxidation and wear over time, supporting dependable contact and long-term performance.
USB 3.0 SuperSpeed capability
Supports the wide bandwidth of USB 3.0 (up to 5.0Gbps), making it well-suited for modern audio devices that benefit from higher-speed USB links.
Expert Insightdown arrow

Expert Insight

Line Circle

Superior design. Better signal. Strong shielding.

Expert Img
Dylan Crane
Brand Manager
Detailsdown arrow

Details

Line Circle

iFi SilentPower Gemini 3.0

SilentPower Gemini 3.0 is a premium dual-headed USB audio cable engineered to deliver maximum signal transfer with minimum interference. Unlike typical USB cables that bundle power and data together (inviting noise, impedance mismatch, and RF issues), Gemini 3.0 physically separates the USB data path from the USB power path to help keep the delicate audio signal cleaner and more stable. Built with iFi “FINAL” USB connectors machined from solid aircraft-grade aluminium for end-to-end RF shielding, plus gold-plated contacts for long-term durability, it’s designed for serious listeners who want their USB DAC, sound card, or interface to perform at its best. With USB 3.0 SuperSpeed bandwidth support (up to 5.0Gbps) and carefully controlled 90Ω impedance, Gemini 3.0 is a purpose-built upgrade for high-resolution playback chains where lowering interference can translate into clearer detail, improved space, and a more natural top end.

What It's Good At:

  • Separating USB power from USB data to reduce interference in audio playback chains
  • Preserving USB signal integrity with 90Ω impedance and low-loss cable geometry
  • Minimizing RF pickup with quadruple shielding and fully shielded metal connectors
  • Delivering durable, consistent connections via gold-plated contacts and solid aluminium “FINAL” connectors
  • Supporting high-bandwidth USB 3.0 SuperSpeed links (ideal for modern DACs and audio interfaces)
  • Improving perceived clarity and soundstage focus in revealing hi-fi systems

iFi SilentPower Gemini 3.0 Full Specifications:

  • Product name: SilentPower Gemini 3.0
  • Type: Dual-headed USB cable (separate data and power leads)
  • Primary purpose: Reduce interference by separating USB data signal from USB power
  • SKU (page): 03-06-020-0001-00
  • Available options (as listed on product page):
    • Input / Version options: USB 2.0; USB 3.0
    • Length options: 0.7m; 1.5m
    • Variant SKUs (as listed):
      • Gemini 3.0 – USB 2.0 / 0.7m: 03-06-026-0001-00
      • Gemini 3.0 – USB 2.0 / 1.5m: 03-06-026-0002-00
      • Gemini 3.0 – USB 3.0 / 0.7m: 03-06-020-0001-00
      • Gemini 3.0 – USB 3.0 / 1.5m: 03-06-020-0002-00
  • What’s in the box:
    • 1x Gemini 3.0
    • 1x User Manual
  • Tech Specifications (USB3 Data):
    • Construction: Minimum inductance parallel construction
    • Conductors: 24 and 28AWG
    • Conductor material: Heavy OFHC continuous cast copper silver matrix
    • Insulation: HD Polyethylene
    • Shielding: Quadruple-shields
    • Impedance: 90Ohms
    • AC spark insulation: 1500V
    • Connectors: iFi “FINAL” USB connectors
    • Insulation resistance: 100Mohm
  • Tech Specifications (USB3 Power):
    • Construction: Minimum inductance parallel construction
    • Conductors: 12AWG
    • Conductor material: Heavy OFHC continuous cast copper
    • Insulation: Linear Polyethelyne (LPE) insulation
    • Current rating: 30A
    • Lengths/Weights:
      • 0.7m / 150g (0.33 lbs)
      • 1.5m / 170g (0.37 lbs)
    • Warranty period: 12 months
    • Note: The image colour may differ from the actual product due to lighting; refer to the product for accuracy.

iFi SilentPower Gemini 3.0 Q&A:

Can a USB cable affect audio signal quality?
Yes. Any cable can introduce degradation through impedance mismatch and general signal loss. The closer a cable stays to the 90Ω USB specification—and the lower its losses from materials, plating, insulation, and geometry—the less it can attenuate or disturb the signal. If degradation becomes severe, the connection can become unreliable, and even before obvious dropouts, sound quality may still be affected.
What makes the Gemini USB cable design different from a standard USB cable?
USB wasn’t originally designed with high-quality audio in mind. Gemini separates audio (data) and power into two physically separate legs to help reduce interaction between power noise and data transfer, and it’s designed around proper 90Ω USB impedance to maintain signal integrity. This approach aims to reduce interference and improve consistency compared with many typical all-in-one USB cables.
How do I identify the correct connector type for Gemini 3.0 vs Mercury 3.0?
There are different “B” connector types associated with these cables, so using the correct version matters. The listed EANs help retailers confirm the right model: Mercury Cable 3.0 (USB2.0 “B” connector) – 0.7m (5081313081752); Mercury Cable 3.0 (USB2.0 “B” connector) – 1.5m (5081313081769); Gemini Cable 3.0 (USB3.0 “B” connector) – 0.7m (5081313081776); Gemini Cable 3.0 (USB3.0 “B” connector) – 1.5m (5081313081783).
How are the internal pins wired on the Gemini dual-head design?
The audio-marked leg carries data only (pins “–” and “+”). The power-marked leg carries power only (5V and Ground). This split is the core of the Gemini concept: separating data from power.
What wire gauges are used in the cable?
The data side uses 24AWG and 28AWG conductors.
Why do some “audiophile” USB cables fail to work reliably?
Some cables are not certified to USB standards and don’t conform to the relevant USB specifications, which can cause compatibility problems across different devices. A cable that correctly conforms to USB 2.0 standards should work reliably, while still benefitting from improved construction and adherence to specs.
How do I connect Gemini 3.0 correctly?
Connect the USB “A” Audio connector to a USB port on your computer. Connect the USB “A” Power connector to a USB port on your computer. Then connect the USB “B” connector to the USB input on your DAC, sound card, or interface.
What lengths and weights are available?
Two lengths are listed: 0.7m (150g / 0.33 lbs) and 1.5m (170g / 0.37 lbs).

iFi SilentPower Gemini 3.0 Downloads:

iFi SilentPower Gemini 3.0 User Manual

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