https://cablematic.com/en/products/hdmi-switch-with-4-input-audio-to-1-hdmi-output-and-1-analog-audio-output-HL034/
HDMI switch with 4-input audio to 1 HDMI output and 1 analog audio output
- HDMI port selector. It has four female HDMI input ports of which one of them is selected as an active port by means of a button on the device itself or remotely with remote control.
- Amplifier for each HDMI input or output port, since it allows 10 m of cable in each port. This makes a total of up to 20 m of HDMI cable from the video source to the screen. The final distance depends on the quality of the cable and the environment.
- It has SPDIF digital audio output (Toslink optical connector), coaxial digital audio output (RCA female connector) and stereo analog audio output (RCA female connectors).
- The audio from the HDMI output connector is synchronized with the output of the SPDIF, coaxial and analog digital audio connectors.
- Compact and small size model (204 x 75 x 26 mm).
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- HDMI port selector. It has four female HDMI input ports of which one of them is selected as an active port by means of a button on the device itself or remotely with remote control.
- Amplifier for each HDMI input or output port, since it allows 10 m of cable in each port. This makes a total of up to 20 m of HDMI cable from the video source to the screen. The final distance depends on the quality of the cable and the environment.
- It has SPDIF digital audio output (Toslink optical connector), coaxial digital audio output (RCA female connector) and stereo analog audio output (RCA female connectors).
- The audio from the HDMI output connector is synchronized with the output of the SPDIF, coaxial and analog digital audio connectors.
- Compact and small size model (204 x 75 x 26 mm).
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HDMI selector with amplifier with four input ports and one output port. From four HDMI input signals this device selects one of them and sends it to the HDMI output port. This is a model that has 4 female HDMI input connectors, 1 female HDMI output connector and a button for selecting the active input port. In addition to the HDMI output (digital audio and video) it has SPDIF digital audio output (1 x Toslink optical), and stereo analog audio (2 x RCA female).
Specifications
- HDMI port selector. It has four female HDMI input ports of which one of them is selected as an active port by means of a button on the device itself or remotely with remote control.
- Amplifier for each HDMI input or output port, since it allows 10 m of cable in each port. This makes a total of up to 20 m of HDMI cable from the video source to the screen. The final distance depends on the quality of the cable and the environment.
- It has SPDIF digital audio output (Toslink optical connector), coaxial digital audio output (RCA female connector) and stereo analog audio output (RCA female connectors).
- The audio from the HDMI output connector is synchronized with the output of the SPDIF, coaxial and analog digital audio connectors.
- Compact and small size model (204 x 75 x 26 mm).
- Resolution supported: 1920 x 1200 and 1080p.
- Compatible HDMI 1.3b, HDCP 1.0 and HDCP 1.1.
- VGA video formats supported: 640x480, 800x600, 1024x768 and 1920x1200.
- Supported DTV / HDTV video formats: 480i, 576i, 480p, 576p, 720p, 1080i and 1080p.
- Working frequency: 225 MHz.
- It has a push button to select the active input port and active port indicator LEDs.
- Requires 5 VDC power supply (included).
- Gold-plated connectors.
- It supports PCM, DTS and Dolby Digital digital audio at a frequency of 192 KHz.
- Supplied with remote control for remote control of the selector.
- Gross Weight: 621 g
- Product size (width x depth x height): 20.4 x 7.5 x 2.6 cm
- Number of packages: 1
- Packages size: 24.0 x 15.8 x 6.0 cm
Technical terms
- HDMI
- VGA
- Hz
- Toslink
- HDCP
- HDTV
- VDC
- RCA
- 1080p
HDMI (High-Definition Multimedia Interface) is a digital interface standard designed for the simultaneous transmission of uncompressed audio and video streams from a compatible source to a digital display or receiver.
This interface employs Transition-Minimized Differential Signaling (TMDS) to maintain data integrity at high frequencies. Throughout its revisions, HDMI has evolved from a basic digital video solution into a complex data bus capable of carrying 4K signals at 60Hz, dynamic metadata, and bidirectional control protocols between devices.
| Version | Bandwidth | Audio/Video Support |
|---|---|---|
| 1.0 - 1.2 | 4.9 Gbit/s | 1080p @ 60Hz, 8 LPCM channels |
| 1.3 - 1.4 | 10.2 Gbit/s | 4K @ 30Hz, Deep Color, ARC, Ethernet |
| 2.0 | 18.0 Gbit/s | 4K @ 60Hz, 32 audio channels, HDR |
The mass adoption of the HDMI standard has transformed the interconnect architecture in multimedia data centers and high-performance workstations. Its ability to integrate Audio Return Channels (ARC/eARC) and Ethernet connectivity (HEC) has drastically simplified structural cabling, eliminating the need for multiple redundant analog and digital cables while ensuring signal integrity over significant distances through active equalization.
CEC Control and Multi-Streaming Integration
A critical innovation in version 2.0 is the ability to deliver simultaneous dual video streams on the same screen and up to four independent audio streams, optimizing bandwidth for multi-user applications.
Key Advantages
- Pure digital transmission avoiding D/A signal degradation.
- Full backward compatibility across all standard versions.
- Native support for high-resolution audio formats like Dolby TrueHD and DTS-HD.
- Support for 21:9 cinema aspect ratios and dynamic lip-sync.
Note: Final interface performance is dependent on the cable certification (Standard, High Speed, or Premium High Speed).
