Audio format:

With the MAIWO K1688S

then you need a NÖRDIC HDMI to Scart converter instead

and outdoor events

NÖRDIC angled 2m USB4 USB-C to C nylon braided cable PD3.1 240W 40G 8K60Hz 4K144Hz gray certified Audio format:NRDIC USB 4 cable supports 40Gbps data transfer, 240W (48V 5A) Power Delivery and 8K video. Suitable for all laptops, desktops, macbooks, tablets and smartphones with support for USB C or Thunderbolt. Compatible with iPhone 15, MacBook Pro Air, Samsung Galaxy and much more. Angled to avoid damage to the cable in awkward positions, perfect for VR headsets, for example. The cable delivers up to 240W of power to charge a laptop or power a display.