Cantex 1/2 in. Box Adapter R5133715 - The Home Depot
USB 2.0 Audio Adapter Box with Line Input and Mic Input
RCA to HDMI Converter, Mini Composite AV to HDMI Video Adapter Box for Smart TV/VCR/DVD/VHS Player/Roku/PS2 Game Console/N64/Wii, with USB Power Cable, Supporting PAL/NTSC - Walmart.com
Speaker Amp to Headphone Adapter Box - Listen to headphones from a speaker amp using your existing speaker cables, connect to binding posts
Adapter Box 40 AMP, Universal US - 10 FT
VGA to AV RCA Composite Converter Adapter Box with Audio PC to TV | eBay
Waterproof Adapter Box (255 X 200 X80) - Almiria Techstore Kenya
ScoopFree® Self-Cleaning Litter Box Power Adaptor, Second Generation | PetSafe®