Bolt PP-DC Doubler Cable for Power Packs PP-DC B&H Photo Video
Shielded Port Doubler, 1 x 10/100Base-T + 1 x Voice/Token Ring to 1 Port - from LINDY UK
USB ChargeDoubler - double your charging speed! | Indiegogo
USB For DX Doubler First Prototype – Kg3v Ham Radio Blog
USB 2.0 A Y Splitter 1x Male to 2x(Dual) Female (1x Data & 1x Power) 10cm Cable | eBay
USB ChargeDoubler - double your charging speed! by WN Products Germany — Kickstarter
Voltage doubler ground and USB - Electrical Engineering Stack Exchange
Bitfunx SATURN 2X LINE DOUBLER HDMI Adapter for SEGA Saturn MD MEGA Drive Mega Genesis SNK NEO GEO with RGB and Composite Input - AliExpress
Bitfunx 2X HDMI Line Doubler Adapter Converter for Nintendo 64 N64 SNES SFC NGC S-video/Composite to HDMI - AliExpress
Un adaptateur 2,5 GbE en USB-C chez Sonnet pour doubler vos débits
Bitfunx SATURN 2X LINE DOUBLER HDMI Adapter for SEGA Saturn MD MEGA Drive Mega Genesis SNK NEO GEO with RGB and Composite Input - AliExpress
My USB adapters
Amazon.com: Itramax USB Splitter Y Cable 1FT (2-Pack),USB A 1 Male to 2 Female Extension Cord Converter,Dual Double USB Port Extender Hub Data Charger Power Split Adapter for Mac,Car,Xbox One Series X/S,PS4,PS5 :
Moving the DXDUSB inside the DX Doubler – Kg3v Ham Radio Blog
Amazon.com: MOGOOD USB Splitter Cable USB y Splitter Adapter Dual USB 2.0 Power Cord Extension for Charging/Data Transfer Dual Double USB Port Extender Hub Extra Multiport Data Split Adapter for Laptop/Mac/Car :
Amazon.com: USB Hub 90 Degree Splitter 3 Port USB 2.0 Adapter Portable Powered Data USB Hub Transfer for PC Laptop USB Flash Drives，Black : Electronics
Plugable USB 2.0 2-Port Hub/Splitter – Plugable Technologies
Voodoo Lab HX Curr. Doubler Adapter PPHX – Thomann UK
High quality n64 hdmi adapter 2x line doubler for nintendo 64 n64/sfc/ngc/snes retro gaming console s-video/composite | Fruugo SK
Retroscaler2x a/v to hdmi-compatible converter and line-doubler for retro game consoles ps2/n64/nes/dreamcast/saturn | Fruugo SK
48v Usb Dual Mixed Output Phantom Power Supply For Condenser Microphones Music Recording Equipment | Fruugo SK
Doubler Splitter Of Connector Internal USB 2.0 9 Points - USB2 | eBay
USB-C Splitter (2-in-1 USB C Headset & Charge Adapter)
Amazon.com: Onvian 3 Port USB Hub High Speed Splitter Plug and Play Bus Powered, Black : Electronics
