Bi-directional HDMI ↔ NDI High Bandwidth Converter
The N40/N40 Plus is purpose-built for high-quality, low-latency NDI High Bandwidth workflows over HDMI.
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In encoding mode, it converts HDMI signals up to 4Kp60 into NDI High Bandwidth streams for seamless IP-based distribution.
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In decoding mode, it receives NDI High Bandwidth streams from the network and outputs them via HDMI, with support for HDMI loop-through to simplify signal routing.
Real 4K, Really Professional
Delivering up to 4Kp60 (UHD) video encoding and decoding, the N40/N40 Plus ensures exceptional visual clarity. With YCbCr 4:2:2 color sampling, it guarantees accurate color reproduction and consistent, high-fidelity image quality.
Flexible Audio Options, Just the Way You Need
The N40/N40 Plus offers comprehensive audio integration to suit a wide range of production scenarios:
• HDMI audio embedding & de-embedding for direct mixer connection
• Real-time analog audio embedding via 3.5mm input
• 2-channel synced audio, with support for mapping from up to 16 audio input channels
Versatile Tally Indicators and LCD Screen
The N40 features bright, front-facing tally indicator for PVW/PGM, along with an additional rear tally light to support team coordination during production.
Exclusive to the N40 Plus, the 1.14” LCD screen complements the rear tally indicator by adding real-time status monitoring, mode switching, and an additional front-facing tally display—streamlining on-site operation and team communication.
Seamless NDI Switching,
Zero Disruptions
In decoding mode, you can preconfigure up to 9 NDI sources and switch between them directly via the web interface. Switching is instant and stable with no blackouts, stutter, or signal loss. It also allows you to fine-tune the transition timing to match the pace of your live production.
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Model
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N40/N40 Plus
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Video Resolution
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• Input support:
3840*2160p 60/59.94/50/30/29.97/25/24/23.98fps
1920*1080p 60/59.94/50/30/29.97/25/24/23.98fps
1920*1080i 60/59.94/50fps
1280*720p 60/59.94/50/30/29.97/25/24/23.98fps
• Output support:
3840*2160p 60/59.94/50/30/29.97/25/24/23.98fps
1920*1080p 60/59.94/50/30/29.97/25/24/23.98fps
1920*1080i 60/59.94/50fps
1280*720p 60/59.94/50/30/29.97/25/24/23.98fps
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Video Port
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1 × 4Kp60 HDMI, input
1 × 4Kp60 HDMI, output for decoding/loop-out for encoding
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Video Encoding and Decoding
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SpeedHQ (NDI): SHQ0, SHQ2
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Streaming Protocols
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NDI HB
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Interlaced Video Support
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1080i60 interlaced input and 1080i60 interlaced output encoding
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Color Space
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• Encoding
NDI HB: YCbCr 4:2:0, 4:2:2
• Decoding
NDI HB: YCbCr 4:2:0, 4:2:2
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Color Depth
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8-bit
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Audio Port
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1 × 3.5mm Line in/Line out
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Audio Encoding and Decoding
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NDI Audio and more audio formats and channels available through custom development
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Audio Channels
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Encoding: 2 channels (selectable from up to 16 input channels)
Decoding: 2 channels (selectable from up to 16 output channels)
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Audio Sampling
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Fixed at 48 kHz
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Network Port
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1 × 1000Mbps Ethernet port (support PoE)
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Physical Controls
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N40 Plus: 1.14'' LCD with touch buttons
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Management
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Web-based control or centralized management via KiloLink Server Pro
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Tally
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N40: A tally indicator on the front panel, a Tally LED on the rear
N40 Plus: An LCD screen as the tally indicator on the front panel, a Tally LED on the rear
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Voice Intercom
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USB headset expansion or group calls via Kiloview Intercom System (KIS)
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Video Input Loss Alerts
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• Default “NO INPUT SIGNAL” image on HDMI disconnect
• Custom PNG (1920 × 1080 or 1280 × 720) display supported
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PTZ Control
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USB-to-serial (RS-232/RS-485/RS-422) and network protocols (Sony Visca, Pelco-D/P) for external PTZ control
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USB Port
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1 x USB 3.0 Type-C
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Mounting
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Cold shoe adapter
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Power Supply
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USB PD fast charging,5-18V wide range supported
PoE
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Power Consumption
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6W(Max)
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Weight
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N40: 270g
N40 Plus: 260g
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Dimensions
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N40:100 x 80 x 24 mm
N40 Plus: 100 x 95 x 23mm
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Working Temperature
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-20℃~55℃/-4℉ ~ 131℉
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