Focusrite Scarlett 4i4 3rd Gen USB Audio Interface

Focusrite Scarlett 4i4 3rd Gen USB Audio Interface

Datavideo NVS-33 H.264 Video Streaming Encoder and MP4 Recorder


Datavideo's NVS-33 is an H.264 video streaming encoder and mp4 recorder that has HD-SDI and HDMI inputs for video as well as stereo RCA connections for embedded audio. Able to stream and record at different bit rates simultaneously, the NVS-33 records onto an SD card in NTFS, FAT, or exFAT formats to allow continuous recording without a file size limitation.

Front panel operation on the NVS-33 features easy-to-use buttons that makes this encoder desirable for many applications such as Houses of Worship, Education, Corporations and Live Event Production. In addition to a bit rate selection button on the front panel, the NVS-33 has video input selection, stream, record, and stream + record buttons. Once the NVS-33 is set up initially using a PC/Mac computer or a tablet with a web browser, users can simply press one button to start their streaming and recording.


  • 1 x NVS-33 product
  • 1 x AD Switch DC 12V


  • Supports different bitrates for recording and streaming
  • Small and easy to use
  • Supports SDI / HDMI embedded audio
  • Easy stream to YouTube, Facebook, and many other platforms
  • Record MP4 or TS file to an SD card
  • Remotely controlled using a Windows / Apple PC or mobile device with a web browser


  • Video Input:
    • HDMI x1
    • SDI x1
  • Supported Video Input Resolution:
    • 1080p 60/59.94/50
    • 1080p 30/29.97/25/24/23.98
    • 1080i 60/59.94/50
    • 720p 60/59.94/50
    • 480i 59.94, 576i 50
  • Audio Input:
    • SDI & HDMI embedded audio
    • RCA L/R x1
  • Encode: H.264/AVC, Main/High Profile
  • Video Bitrate:
    • Record Only: Up to 16Mbps (1080p50/60)
    • Stream Only: Up to 10Mbps (1080p50/60)
    • Rec+Stream: 10Mbps (1080p25/30)
    • Video Rate Mode: CBR/VBR
    • Audio Mode: Stereo/Mono
  • Audio Bitrate:
    • Stereo: 64~384Kbps
    • Mono: 32~192Kbps
  • Streaming Protocols:
    • TS over TCP/UDP (unicast & multicast)
    • RTSP over HTTP/TCP/UDP (RTSP Elementary Streaming)
    • RTMP/RTMPS (Publish)
    • HLS
  • Recording File Format: MP4, TS
  • Storage: SD Card x1 (File System: NTFS, FAT)
  • Power Supply: DC 12V
  • Dimension (LxWxH): 8.67 x 3.74 x 1.85 in (220 x 95 x 47 mm)
  • Weight: 1.54 lbs (0.7 kg)
  • Operating Temp. Range: 32~104 °F (0~40 °C)
  • Compatible SD Cards:
    • Kingston: SDHC C10 (16GB)
    • Sandisk:
      • Extreme SDXC C10 U3 V30 (64GB)
      • Extreme PRO SDXC C10 U3 (128GB)
      • Extreme SDHC C10 (16GB)
      • Ultra SDHC/SDXC UHS-1 (128GB)
    • Sony:
      • SDXC C10 U1 (64GB)
      • SDXC C10 U3 (64GB)
    • Toshiba: SDHC C10 (16GB)
    • ADATA: Premiere Pro microSDXC UHS-1 U3 Class 10 with SD adapter (64GB)
    • Unirex: SDHC UHC 1, U1 Class 10
    • Samsung: EVO microSD Card (SD Adapter) UHS-1 Speed Class 1 (U1), Class 10
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