The NovaStar VX400s-N combines video processing and LED display control in one unit. Four Gigabit Ethernet outputs drive up to 2.3 million pixels, while two adjustable layers provide a main picture and PIP. It is designed for rental screens, stage systems and fine-pitch LED displays.
Video processing and control
Two HDMI 1.3 inputs and one 3G-SDI input accept live video sources. HDMI 1.3-1 and 3G-SDI each provide loop output. SuperView III processing supports stepless scaling, full-screen display and input cropping. Adjust layer size, position and priority, then save up to ten user presets.
Use the front panel or NovaLCT for control. Up to four units can be cascaded for an image mosaic, with an internal input source used for output synchronization. Device and Ethernet-port backup options support redundant signal paths. Pixel-level brightness and chroma calibration works with NovaLCT and NovaStar calibration software.
Technical specifications
| Parameter | Specification |
|---|---|
| Loading capacity | Up to 2.3 million pixels across 4 Gigabit Ethernet outputs |
| Maximum output dimensions | Width: 3840 pixels; height: 3840 pixels, within total loading capacity |
| HDMI inputs | 2 × HDMI 1.3; HDMI 1.3-1 has loop output; HDCP 1.4 |
| HDMI source formats | 8-bit RGB 4:4:4, YCbCr 4:4:4 or 4:2:2; standard 1920 × 1200 at 60 Hz |
| Custom / forced HDMI examples | 3840 × 600 at 60 Hz (custom); 800 × 3840 at 60 Hz (forced input) |
| 3G-SDI input | 1 input with loop; up to 1920 × 1080 at 60 Hz; deinterlacing supported; Level B not supported |
| Layers / presets | 2 layers / up to 10 user-defined presets |
| Mosaic | Up to 4 cascaded units |
| Audio | HDMI embedded audio input; multifunction-card decoding through Ethernet output 1; adjustable volume |
| USB connections | Type-B for PC control or cascade input; Type-A for cascade output |
| Power supply / rated consumption | 100–240 V AC, 0.6 A, 50/60 Hz / 28 W |
| Operating environment | −20°C to +60°C; 0%–80% RH, non-condensing |
| Storage environment | −20°C to +70°C; 0%–95% RH, non-condensing |
| Dimensions / net weight | 482.6 × 250 × 50.1 mm / 3.2 kg |
The maximum screen width and height are individual limits, not a 3840 × 3840 loading specification. HDMI input does not support interlaced signals, YCbCr 4:2:0, or 10-/12-bit sources. The manufacturer lists 800 × 3840 at 60 Hz as a forced input format; this does not increase the 2.3-million-pixel LED output capacity.
Specification download
NovaStar VX400s-N specifications (PDF)
Frequently Asked Questions
How many pixels can the VX400s-N drive?
One unit drives up to 2.3 million pixels through four Gigabit Ethernet ports. Maximum width and height are each 3840 pixels, but the full screen must stay within the total loading capacity.
Does the VX400s-N support two video layers?
Yes. It provides two layers with adjustable size, position and priority. Up to ten presets can store layouts for recall.
Which input formats should I use?
Use a supported 8-bit HDMI format or a compatible 3G-SDI source. HDMI does not accept interlaced inputs or 10-/12-bit video. The 3G-SDI input supports up to 1920 × 1080 at 60 Hz and deinterlacing, but not Level B signals.
Can I use USB for media playback?
The documented USB ports are for PC control and device cascading. The VX400s-N specification does not list USB media playback; supply content through HDMI or 3G-SDI.
How is audio output connected?
Audio enters with an HDMI source. A multifunction card decodes the audio and must connect to Ethernet output 1. Output volume can be adjusted.










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