The SP-4D is a synchronizer for serial digital signals up to HD-SDI. The unit synchronizes up to four channels from the dedicated genlock input or any other specified channel.

• HDTV Compatible.
• Multi-Standard Operation - SDI (SMPTE 259M and SMPTE 344M) & HD-SDI (SMPTE 292M).
• Inputs - SD, ED and all HD (up to 1080i/60 and 1080p/30), with automatic standard detection.
• Frame Rate Conversion - Does not change the video resolution.
• Genlock - 1 dedicated SDI genlock input with active loop output, common to all four channels or taken from any specific channel.
• Audio Embedder/De-embedder - Handles 16 audio channels per input.
• Flexible Control Options - Front panel buttons & RS-232 (K-Router® Windows®-based software is included).
• Indicators - 40-character LCD display, signal and genlock loss LEDs.
• Worldwide Power Supply - 100-240V AC.