Kramer Electronics’ VP-451 is an 18G-capable 4K digital scaler for HDMI and USB-C signals. The unit up and down as well as cross-scales to resolutions up to 4K@60Hz (4:4:4). The output resolution can be set automatically to follow the native resolution of the source or be set manually to a custom resolution.
The VP-451 supports HDR10 and HDCP 2.2/1.4, features input auto-switching, constant sync on the output even if the input video signal is lost or interrupted, and a built-in ProcAmp for convenient signal adjustment. The VP-451 is also equipped with flexible analog audio embedding and de-embedding. The user can select the unbalanced analog audio input to embed it into the HDMI output signal. On the output, the user can choose to extract the audio signal and output it as balanced analog audio.
The VP-451 can be controlled by using an OSD (on-screen display) via front panel buttons. Additionally, the closure connector can be used for remote switching of sources. All settings are saved in the non-volatile memory of the VP-451.
Kramer’s VP-451 provides up to 60 watts of power via the USB-C input and lists for $1,095.