TENEALAY 4-Way 3.5mm Stereo Audio Switch Input Signal Source Switcher Selector Splitter Box with line Volume Controller(4 in 1 Out / 1 in 4 Out)-MC41: Amazon.co.uk: Electronics & Photo
PROZOR 3.5mm Stereo Audio Splitter Support 1 In 4 Out with 3.5mm Audio Cable 4 Ports 3.5mm Audio Splitter Volume Bass Treble Control for PC Phone Laptop MP3/4 to Passive Speaker Headphones :
ST124HDMI2 - StarTech.com HDMI Splitter 1 In 4 Out - 1080p - 4 Port -Mounting Brackets - 1.3 Audio - HDMI Multi Port - HDMI Audio Splitter (ST124HDMI2) - video splitter - 4 ports - Currys Business
AUDIO SIGNAL SWITCHER 4 Input 1 Out hifi stereo RCA Switch Splitter Selector Box £47.90 - PicClick UK
1-IN-4-OUT Analog Audio Splitter with Volume Control Switch Selector Box for Amp (Black): Amazon.co.uk: Electronics & Photo