Black Box KVM Switch 4-Port USB Freedom II - keyboard/mouse/USB/audio switch - 4 ports - TAA Compliant
Amazon.com: CKLau KVM Switch HDMI 4 Port with USB Hub, Audio and 4 KVM Cables, 4 Port HDMI KVM Switch Support 4K@60Hz 4:4:4, EDID Support Wireless Keyboard Mouse : Electronics
4-Port USB 3.0 4K HDMI KVMP™ Switch with Audio Mixer Mode - CS1824, ATEN Desktop KVM Switches | ATEN Belgium - English
4 Port DVI USB KVM Switch with Audio - KVM Switches | StarTech.com