Eliminates the need for separate cables. 1 AV RCA Switcher. RCA Splitter With 4-way Audio： This video L/R stereo audio AV selector box supports both left and right audio channels for crystal-clear sound.
eBay
Vention HDMI 2.1 Splitter Switch 8K 60Hz 4K120Hz 3 in 1 out for TV Xiaomi Xbox PS5 Set Top HDMI-compatible Monitor HDMI Switcher
Aliexpress UK
Stereo Audio Splitter 1X4 Analog Audio Distributor 3.5mm Aux L/R RCA 1 In 4 Out. The 1x4 Stereo Audio Distributor works as a splitter for Stereo Audio applications, providing (4) stereo audio outputs that are identical to the audio source signal.
eBay
KVM Switch USB3.0 HDMI Switcher 4K@60Hz for 4 Computers Sharing 1 HD Monitor and 3 USB Devices Keyboard Mouse Printer
Aliexpress UK
New Upgrade 4K 1080p Video switcher for live streaming. Video switcher for live streaming, 4 HDMI input support resolution 4K@30Hz, and support HDCP1.4 standard. Video switcher for live streaming 1PCS.
eBay
KVM 2-in-1 HDMI-compatible/USB KVM Switch Adapter USB Switcher 2 Input 1 Output 4K*2K Printer Sharer For Computer Keyboard
Aliexpress UK
3.5mm Bi-Directional Audio Switcher Selector Stereo Audio Switcher Splitter Audio Switch 3.5mm Two-Way Switch 2 In 1 Out/1 In 2 Out. Select audio input between 1 and 2 with 1/2 switcher and get one output;.
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UGREEN USB C Switch 2 in 1 Out 4K 60Hz USB-C Switcher for PS5 Xbox PC Laptop Monitor Projector Docking Station
Aliexpress UK
VU102 amplifier / speaker selector: two working modes (2-IN-1-OUT / 1-IN-2-OUT), with A/B channel switch button, convenient to compare the sound quality of 2 pair of different speakers or 2PCS power amplifiers without plugging in and out cables repeatedly to avoid wearing the contact point of the sockets. Euipped with VU meter and remote control: a 72*32mm large vu meter, can dynamically decorate audio environment and provide incomparably visual effects when enjoy HIFI music. Remote control makes everything convenient, all settings can be quickly adjusted from distance.
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USB KVM Switch USB 3.0 Switcher KVM Switch for Windows10 PC Keyboard Mouse Printer 2 PCs Sharing 4 Devices USB Switch
Aliexpress UK
2(1)-in-1(2)-Out 3.5mm Stereo Audio Switch Audio Switcher ，3.5mm Stereo Audio Switch Audio Switcher AB Switcher，3.5mm Stereo Audio Switch Splitter 2 x 1/1 x 2, with Mute Button and No External Power Required.
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4K 2K HDMI-compatible Splitter 1 in 4 out 4x1 HDTV Switch HDMI-compatible Adapter HD Video Switcher for Xbox PS4 DVD PC Laptop
Aliexpress UK
Beautiful Sound Quality: The audio switcher has high frequency electrolytic capacitors and noise reduction circuit design, no background noise, effective audio gain, and improved sound quality. Aluminum Alloy Housing: The audio switcher adopts aluminum alloy casing, mini size and refined appearance, the black casing makes it more stylish and powerful.
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RSHTECH KVM USB C Switch with Controller 2 Computers Share 4 10Gbps USB 3.2 Gen 2 USB Switcher Selector for PC Laptop Keyboard
Aliexpress UK
Audio Switcher Splitter Bi-Directional Audio Switcher With Mute Button 1 In 2 Out / 2 In 1 Out RCA Stereo Audio Switch Audio Splitter. Select audio input between 1 and 2 with 1/2 switcher and get one output;.
eBay
Vention HDMI Switch Bi-Direction 2.0 HDMI 4K Switcher 1x2/2x1 Adapter 2 in 1 out Converter for PS4 Pro/4/3 TV Box HDMI Splitter
Aliexpress UK