4K Live Production Switcher

KD52N

Bring switching, streaming, recording, PTZ control, and mixed-source production into one compact hardware system.

Best for integrators and lean production teams planning HDMI, SDI, UVC, and network-source workflows.

12 inputs: HDMI · SDI · UVC · NDI · RTSP · MP4
Dual RTMP streaming
SD card recording
VISCA PTZ control
Chroma / DSK / Luma key

Discuss a Client Project Check Compatibility

Retail price

$2,000

AV integrator or reseller? Explore partner options →

Video Inputs

Output

RTMP Streams

Key Types

Plan Before Purchase

Confirm the project fit before you specify the system.

KD52N combines several production roles, but your cameras, signals, control protocol, and firmware still need to match the planned workflow.

Best Fit

Lean live-production teams
Mixed HDMI, SDI, UVC, and network-source systems
Workflows combining switching, streaming, and recording
Projects using verified VISCA PTZ control

What to Confirm

Camera model, control protocol, and firmware
Resolution and frame-rate requirements
Required inputs, outputs, audio, and tally
Network streams and Companion requirements

Documentation & Discussion

Complete product documentation and supporting materials are available. Contact AVCLUE to discuss product fit and compatibility for your own equipment.

Check your system →

Warranty & Support

One-year hardware warranty
Lifetime technical support

Compatibility depends on your equipment model, protocol, firmware, and configuration. Confirm your system with AVCLUE before purchase.

For Integrators & Resellers

Bring the client project. Confirm the product fit.

Partner pricing is available to qualified partners based on annual purchase volume. Contact AVCLUE to discuss.

Ask About Partnership View Partner Options

Feature Demo

Chroma Key

Remove green screen backgrounds in real-time for clean, professional compositing.

Without Chroma

With Chroma

Feature Demo

DSK Key

Downstream keying for overlaying graphics, lower thirds, and logo bugs on your live output.

Without DSK

With DSK

Feature Demo

Luma Key

Use brightness values to key out backgrounds — ideal for white or black card overlays.

Without Luma

With Luma

Video Tutorials

Function Demonstration Index

Click any item to jump directly to that feature in the full YouTube walkthrough.

Input Source

1Select SDI or HDMI source for the same input channel 2NDI Stream Adding 3RTSP Stream Adding

Switch & Output

4Signal Switching and T-Bar Transition Demonstration 5Customizable Output Sources for PGM / AUX / SDI 6UVC Output Demonstration

Overlay & Effects

7Logo and Background Image Import & Application 8Chroma Key 9DSK Key 10Luma Key 11PIP Function

Streaming & Control

12RTMP Streaming 13PTZ Camera Control

Full Specifications

KD52N Technical Specs

Complete feature and I/O specification chart

Video Input

HDMI

IN1/2 support 4K60 · IN3/4 support 1080P60

SDI

4× SDI inputs, 1080P60 supported

USB

UVC-compatible camera input, up to 1080P30

NDI / RTSP

Network stream input, 1080P60

File Playback

MP4, MOV, TS, FLV — SD card, USB drive, or internal ROM — up to 1080P60

Video Output

SDI Out

1× 3G-SDI PGM output (1080P60)

HDMI Out

PGM / PVW / Multiview / Clean PGM / Clean PVW selectable

Multiview

Vertical or horizontal layout supported

Streaming

Dual RTMP(S) to YouTube, Facebook, or custom server

USB Out

UVC streaming output, 1080P60

Audio

Input

2× XLR (with phantom power) · 2× 3.5mm stereo

Embedded

Audio via HDMI / SDI / USB supported

Output

1× 3.5mm line out · 1× 3.5mm headphone monitoring

Control

PTZ

VISCA over IP & RS232 serial

Tally

DB15 standard TALLY interface

Serial

Phoenix RS232 port

Web UI

Built-in web interface for control & configuration

Companion

Compatible with Bitfocus Companion via network

Recording & Storage

SD Card

Up to 64 GB · 1080P60 recording/playback

USB Drive

FAT32/exFAT · up to 2 TB · 1080P60 recording/playback

Internal ROM

Preloaded demo clips for playback