Chassis HDMI 1 HDMI 2 HDMI 3 HDMI 4
SL51x OLED UHD@60Hz HDR/ARC/DV UHD@60Hz HDR/DV UHD@60Hz HDR/DV UHD@60Hz HDR/DV
SL4xx OLED UHD@60Hz HDR¹/ARC UHD@60Hz HDR¹ UHD@60Hz UHD@60Hz HDR/DV
SL4xx LCD UHD@60Hz HDR¹/ARC UHD@60Hz HDR¹ UHD@60Hz UHD@60Hz
SL3xx UHD@30Hz ARC UHD@30Hz UHD@30Hz UHD@60Hz

¹with UHD and HDR at the same time (with at least 4:2:2 chroma subsampling), the maximum possible frame rate drops to 30 Hz

To use HDR modes, the “Compatible Mode” (System Preferences > Connections > HDMI > Compatible mode) must be switched off.

OLED TVs (HL2-T):

  • HDMI 1: 450Mhz, UHD@25,30,50,60Hz. chroma subsampling: 4:2:2 (8bit). UHD with HDR @25,30Hz (10, 12bit)
  • HDMI 2: 450Mhz, UHD@25,30,50,60Hz. chroma subsampling: 4:2:2 (8bit). UHD with HDR @25,30Hz (10, 12bit)
  • HDMI 3: 300Mhz, w/o HDR(!)
  • HDMI 4: 600Mhz, UHD, UHD with HDR@25,30,50,60Hz. chroma subsampling: 4:4:4 (8,10,12bit) [Dolby Vision]

LCD TVs (HL2-S, P):

  • HDMI 1: 450Mhz, UHD@25,30,50,60Hz. chroma subsampling: 4:2:2 (8bit). UHD with HDR @25,30Hz (10, 12bit)
  • HDMI 2: 450Mhz, UHD@25,30,50,60Hz. chroma subsampling: 4:2:2 (8bit). UHD with HDR @25,30Hz (10, 12bit)
  • HDMI 3: 300Mhz, w/o HDR(!)
  • HDMI 4: 300Mhz, UHD@25,30,50,60Hz. chroma subsampling: 4:2:2 (8bit), w/o HDR(!)

Loewe HDMI specifications (PDF)