AV Access 4KEX40-KVM Zero-Latency 4K HDMI KVM Extender – 40m over Cat 6, HDMI 2.0, USB 2.0, Bi-directional PoC & RS-232
Move the PC out. Keep it instant.
4KEX40-KVM is a compact, zero-latency way to relocate a noisy PC or workstation. It extends 4K@60Hz HDMI and USB 2.0 keyboard-and-mouse control up to 40m over one Cat 6 cable.
4KEX40-KVM
Know what connects where.
Connection overview. Check the requirements below for the exact ports, cable type and supported operating mode.
No lag, no compression
Uncompressed transmission keeps mouse and video perfectly in step — suitable for editing, control rooms and gaming PCs kept out of the room.
Cinema-grade audio
Audio de-embedding supports PCM 7.1, Dolby Atmos and DTS:X for AV racks and home cinemas.
Power it from either end
Bi-directional PoC means the single adapter can sit at the TX or RX, whichever is more convenient. RS-232 and IR are passed through.
Make sure it fits your setup.
Keep within 40m
Rated 40m on Cat 6/6A/7 and 35m on Cat 5e.
Sold as a kit
TX and RX are sold together as a pair, not separately.
USB 2.0 standard
Works with USB 2.0 devices and older; not for USB 3 speeds.
From unboxing to connected.
Connect the PC
HDMI and USB to the transmitter.
Run Cat 6
Up to 40m to the receiver.
Connect the desk
Display, keyboard and mouse at the RX.
Power once
Adapter at either end; PoC powers the other.
4KEX40-KVM at a glance.
| Model | 4KEX40-KVM (TX + RX kit) |
|---|---|
| Video | HDMI 2.0, HDCP 2.3, 4K@60Hz 4:4:4 |
| Data rate | HDMI 18Gbps; USB 2.0 480Mbps |
| Range | 40m Cat 6/6A/7; 35m Cat 5e |
| USB | 4× USB 2.0 |
| Audio | PCM 7.1, Dolby Atmos, DTS:X de-embedding |
| Control | Bi-directional RS-232 and IR |
| Power | DC 20V 2A, bi-directional PoC |
| Power (max) | 24.4W per pair |
| Size / weight | 145×25×90mm; 0.35kg per unit |
A little clarity before you buy.
What is the highest resolution?
4K@60Hz 4:4:4.
Can I use other USB devices?
Yes, USB 2.0 devices beyond keyboard and mouse are supported.
Can I buy only the receiver?
No. The 4KEX40-KVM is sold as a transmitter and receiver kit.
More product photos
