USB-C Splitter (2-in-1 USB C Headset & Charge Adapter)
Amazon.com: Usb Doubler
Bitfunx HDMI Converter HDMI Line Doubler Adapter Digital to HDMI GC2HDMI For All NGC Gamecube Game Consoles
Attic Audio Voltage Doubler 9V to 18V and 12V to 24V | Reverb
529i – Mission Engineering
Dual SATA to LP4 Power Doubler Adapter - Computer Power Cables - Internal | Cables | StarTech.com
HDMI Adapter Converter Digital AV GCVideo Line Doubler for Nintendo NGC GameCube | eBay
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 | eBay
Adafruit USB Host FeatherWing with MAX3421E : ID 5858 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: V7 V7UCC-1M-BLK-1N USB-C Cable 3' 24 Pin USB-C (M) to 24 Pin USB-C (M), Black : Electronics
Amazon.com: Kaico SEGA Saturn 2X Line Doubler & SEGA Genesis HDMI Adapter - for Megadrive, SNK Neo Geo, Sega Genesis, Sega Saturn Console - Supports RGB and Composite Output - All in
Adafruit USB Host FeatherWing with MAX3421E : ID 5858 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Voodoo Lab HX Curr. Doubler Adapter PPHX – Thomann United States
USB ChargeDoubler - double your charging speed! | Indiegogo
Amazon.com: Trust Halyx 4 Port USB 3.2 Gen1 Hub, Extra USB-A Ports, 5 Gbps Data Transfer Speed, Hub for PC, Laptop, Computer with USB-A Port, Compact Hub, Widows, Mac, Chrome - Grey :
Truetone TVD Voltage Doubler Cable – Megatone Music
Voodoo Lab Cable Current Doubler Adapter - Two 2.1mm Straight Barrels - 2.1mm Female 4" 2 Pack Bundle | Reverb
Bitfunx 2X HDMI Line Doubler Converter for N64/SNES/SFC /NGC S-video/Composite to HDMI – Bitfunx
Amazon.com: Synergy Digital USB Cable Compatible with Fujifilm X-T2 Digital Camera USB Cable 3' MicroUSB to USB (2.0) Data Cable : Electronics
Bitfunx 2X HDMI Line Doubler Converter for N64/SNES/SFC /NGC S-video/Composite to HDMI – Bitfunx
USB ChargeDoubler - double your charging speed! by WN Products Germany — Kickstarter