What is the Kramer VM-4DT distribution amplifier?
The Kramer VM-4DT is a 1:4 4K60 4:2:0 long-reach HDBaseT distribution amplifier. It takes one native HDBaseT input, equalizes and reclocks it, and distributes it to four identical HDBaseT outputs, re-extending the signal on each side. It is used to distribute HDBaseT signals to multiple remote displays in large rooms across corporate, education, hospitality and government facilities.
How does the Kramer VM-4DT work?
The VM-4DT sits mid-way between an HDBaseT transmitter and multiple remote HDBaseT receivers. It accepts a native long-reach HDBaseT signal and distributes it to four HDBaseT outputs with up to 4K video resolution, extending a 4K@60Hz 4:2:0 24bpp signal up to 40m (130ft) on each side and up to 70m (230ft) at 1080p. Because it works with any HDBaseT-compliant extension product, it fits existing HDBaseT infrastructure.
The HDMI signal carried is HDCP 1.4 compliant and supports deep color, x.v.Color, lip sync, 7.1 PCM, Dolby TrueHD, DTS-HD, 2K, 4K and 3D as specified in HDMI 2.0. EDID and CEC (OUT 1 only) pass from source to display, and Kramer I-EDIDPro handles EDID for plug-and-play operation. An EDID setup button and status LEDs for inputs, outputs and power support maintenance. The half-width 19-inch 1U enclosure mounts two side-by-side in one rack space.
Pair it with HDBaseT extenders such as the Kramer TP-580T transmitter and Kramer TP-580R receiver, or see the Kramer VM-2DT 1:2 HDBaseT DA.
What are the key features of the Kramer VM-4DT?
- 1:4 HDBaseT distribution — One native HDBaseT input to four HDBaseT outputs.
- Dual-side extension — Up to 40m at 4K60 4:2:0 on each side, 70m at 1080p.
- Standard compatibility — Connects to any HDBaseT-compliant extension product.
- HDMI 2.0 feature support — Deep color, 7.1 PCM, Dolby TrueHD, DTS-HD and 3D.
- I-EDIDPro — Intelligent EDID processing for plug-and-play operation.
- Status LEDs — Input, output and power indicators for troubleshooting.
- Half-rack enclosure — Two units side-by-side in 1U.
Where is the Kramer VM-4DT typically used?
- Auditorium
- Training room
- Government space
- Multi-purpose room
Technical Specifications
| Input | 1 HDBT (RJ-45) |
| Outputs | 4 HDBT (RJ-45) |
| Max Resolution | 4K@60Hz (4:2:0) 24bpp |
| Max Data Rate | 10.2Gbps (3.4Gbps per graphic channel) |
| Range (each side) | Up to 40m (130ft) at 4K60 4:2:0; up to 70m (230ft) at 1080p60 36bpp |
| Content Protection | HDCP 1.4 |
| Controls | EDID setup button; output, link and power LEDs |
| Power | 5.2V DC, 4A source; consumption 5V DC, 3.5A |
| Enclosure | Half-width 19" 1U, aluminum |
| Weight | 2.1 lbs (1.0 kg) approx. |
Frequently Asked Questions
Does the VM-4DT accept HDMI?
No. Its input is a native HDBaseT signal; for HDMI input with HDBaseT outputs, see the Kramer VM-4HDT.
How far can signals travel?
Up to 40m at 4K60 4:2:0 and 70m at 1080p on each side of the distributor.
Will it work with non-Kramer HDBaseT products?
Kramer states it connects to any HDBaseT-compliant extension product.
What HDCP version does it support?
HDCP 1.4.
What warranty and support are included?
Kramer's manufacturer warranty applies; Creation Networks designs, installs and supports HDBaseT systems. See the Kramer collection or contact us.
At Creation Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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