Kramer HDMI 2.0 Cable

C-HM/HM – Premium High-Speed HDMI Cable (4K / HDR / K-Lock)

Kramer C-HM/HM is a professional High-Speed HDMI cable designed as the standard choice for high-performance AV installations. The cable delivers an uncompressed digital signal between HDMI sources and displays, supporting up to 4K@60 Hz, HDR, and advanced audio formats.

It is specifically designed for home theater, conference rooms, educational environments, and professional AV systems where stable signal and mechanical reliability are crucial.

Sharp Image up to 4K@60 Hz

The C-HM/HM supports:

• 4K@60 Hz (4:4:4) at shorter lengths

• HDR, Deep Color, and x.v.Color™

• Accurate color reproduction in color spaces such as RGB, YCbCr, BT.2020, Adobe sRGB

For longer lengths, the signal is automatically adapted to maintain stable transmission, making the cable flexible for both small and larger installations.

Secure Connection with K-Lock™

All C-HM/HM cables are equipped with K-Lock™ HDMI connectors, providing:

• Up to 15 lbs retention force

• Reduced risk of the cable slipping out

• More secure installation behind TVs, in racks, and wall mounts

The connectors are 24K gold-plated for optimal signal transmission and long lifespan.

Broad Support for Audio and Control

The C-HM/HM handles both video and audio in the same cable and supports, among others:

• Dolby TrueHD™

• Dolby Digital Plus™

• DTS-HD Master Audio™

• 7.1 PCM

• CEC, EDID and HDCP 2.2

This makes the cable ideal for modern home theater systems and professional AV solutions.

Multiple Lengths – Choose the Right Variant for Your Installation

The C-HM/HM is available in several length variants, with performance adapting to length:

Premium High-Speed HDMI (full 18 Gbps)

• 0.9 m – C-HM/HM-3

• 1.8 m – C-HM/HM-6

• 3.0 m – C-HM/HM-10

• 4.6 m – C-HM/HM-15
  → Up to 4K@60 Hz (4:4:4)

High-Speed HDMI (longer runs)

• 7.6 m – C-HM/HM-25 → 4K@60 Hz (4:2:0)

• 10.7 m – C-HM/HM-35 → 4K@60 Hz (4:2:0)

• 15.2 m – C-HM/HM-50 → up to 1080p

Technical Specifications (Summary)

Video

• Max resolution (0.9–4.6 m): 4K@60 Hz (4:4:4)

• Max resolution (7.6–10.7 m): 4K@60 Hz (4:2:0)

• Max resolution (15.2 m): 1080p

• Max data rate: up to 18 Gbps

Construction

• Connectors: HDMI Type-A male to male

• Connectors: 24K gold-plated, K-Lock™

• Conductors: Tin-plated / bare copper

• Shielding: Triple

• Jacket: PVC

• Color: Gray

Standard & Safety

• HDR, HDCP 2.2, EDID, CEC

• Fire safety: CL3 / FT4

• Environment: RoHS, REACH

Summary

The Kramer C-HM/HM is a robust and reliable HDMI cable for those who want:

• Stable 4K signal with HDR

• Secure connection without looseness (K-Lock™)

• Professional quality for both home and business

• Multiple length options in the same product series

A clear standard choice for serious AV installations.