Adder CCS-PRO4 4-Port Command & Control Switch with Free-Flow Mouse Switching, USB & Audio

Managing multiple computers from a single desk often means juggling several keyboards, mice, and audio cables, leading to clutter and inefficiency. The Adder CCS-PRO4 eliminates that chaos by letting one user control up to four computers through a single console, with independent switching of KVM, audio, and USB peripherals. Its unique Free-Flow mouse control allows seamless cursor movement across multiple monitors, as if they were one extended desktop.

Who is it for

This switch is ideal for control rooms, trading floors, IT administrators, and power users who need instant access to multiple systems without sacrificing desk space or audio quality. It suits environments where reliability and rapid switching are critical.

Main features

• Controls 4 computers from one keyboard, mouse, monitor, and speaker/microphone set.
• Free-Flow mouse control for intuitive, seamless switching across multiple displays.
• Independent switching of KVM, stereo audio, and USB peripherals.
• Multiple switching methods: front panel buttons, hotkeys, RS232, and Free-Flow.
• Supports USB 2.0 for high-speed peripheral sharing.
• Robust metal chassis for durability in demanding environments.
• Hot-plug capable – add or remove computers without rebooting.
• OS independent: works with Windows, macOS, Linux, Sun Solaris, and more.

Specifications

• Device type: Command & Control Switch (KVM)
• Number of computers supported: 4
• Number of local users: 1
• PC port connectors: 4 x USB Type B, 4 x 3.5mm audio in, 4 x 3.5mm audio out
• Console port connectors: 2 x USB Type A (keyboard/mouse), 2 x USB Type A (peripherals), 1 x 3.5mm audio in, 1 x 3.5mm audio out
• USB standard: USB 2.0
• Audio support: Yes (stereo audio and microphone switching)
• Management port: 1 x DB9 RS232 for control and configuration
• Power supply: External power adapter (DC 5V, 4A)
• LED indicators: Active port, USB status, power
• Form factor: Desktop
• Housing material: Robust metal chassis
• Hot plug support: Yes

Tips

To get the most out of Free-Flow, arrange your monitors in the same physical layout as your computer ports. Use the RS232 port for integration with control systems or automated workflows. Keep the external power adapter connected even if your USB devices are self-powered to ensure stable operation.