Supports SPDIF output. Supports coaxial output. Optical and coaxial interfaces support 5.1-channel transmission. Connect to the amplifier system using an optical cable, coaxial cable, or RCA cable and 3.5mm audio cable.
eBay
HDMI To AV Audio Adapter Converter With HDMI To RCA HDMI-compatible 3RCA Connector Adapter HDMI To 3RCA Gold Plating
Aliexpress UK
Experience a rejuvenation of your older devices that breathes new life into your viewing experience. 【Built-in RCA & Power Cable】This RCA to HDMI adapter adopts built-in RCA and USB power cables to streamline the setup process while eliminating the hassle of tangled wires and constant plugging and unplugging.
eBay
RCA To HDMI Converter with USB Cable 1080P AV To HDMI Adapter AV2HDMI AV/CVSB To HDMI-compatible AV To HDMI Switch HD-MI Adapter
Aliexpress UK
HDMI ARC to 3.5mm Audio Extraction – Easily extracts audio from your TV’s HDMI ARC port and outputs it via a standard 3.5mm jack, perfect for connecting headphones, powered speakers, or external amplifiers.
eBay
RCA To HDMI-compatible Converter with USB Cable 1080P AV To HDMI Adapter AV2HDMI AV/CVSB To HDMI AV To HDMI Switch HD-MI Adapter
Aliexpress UK
AV CVBS 3RCA to HDMI Video Composite Converter AV2HDMI Adapter 720P/1080P. This converter works great with either 720p or 1080p TVs, and the output mode is easily selectable with a switch on the device.
eBay
HDMI To AV Audio Adapter Converter With HDMI To RCA HDMI-compatible 3RCA Connector Adapter HDMI To 3RCA Gold Plating
Aliexpress UK
AV CVBS 3RCA to HDMI Video Composite Converter AV2HDMI Adapter 720P/1080P. Simply plug standard composite AV cables (yellow, red, and white) into the input port of the converter, and then connect an HDMI cable from the converter to your TV.
eBay
HDMI to AV RCA CVSB L/R Video Adapter Box Support NTSC PAL Output 1080P RCA AV to HDMI Converter Box HD Video Composite Adapter
Aliexpress UK
Experience a rejuvenation of your older devices that breathes new life into your viewing experience. 【Built-in RCA & Power Cable】This RCA to HDMI adapter adopts built-in RCA and USB power cables to streamline the setup process while eliminating the hassle of tangled wires and constant plugging and unplugging.
eBay
1080P HDMI to RCA AV Cable Converter Adapter RCA AV to HDMI Cable Converter adapter Support NTSC PAL SECAM CVSB AV Scaler Cable
Aliexpress UK
192KHz HDMI ARC to 3.5mm RCA Audio Extractor Converter Cable Adapter for TV to Soundbar Speaker L/R Stereo Amplifer USB powered PCM/LPCM output. HDMI ARC to 3.5mm Audio Extraction – Easily extracts audio from your TV’s HDMI ARC port and outputs it via a standard 3.5mm jack, perfect for connecting headphones, powered speakers, or external amplifiers.
eBay
HDMI to AV RCA CVSB L/R Video Converter Support NTSC PAL HD 1080P RCA AV To HDMI Composite Adapter Converter CVBS AV Adapter
Aliexpress UK
192KHz HDMI ARC to 3.5mm RCA Audio Extractor Converter Cable Adapter for TV to Soundbar Speaker L/R Stereo Amplifer USB powered PCM/LPCM output. HDMI ARC to 3.5mm Audio Extraction – Easily extracts audio from your TV’s HDMI ARC port and outputs it via a standard 3.5mm jack, perfect for connecting headphones, powered speakers, or external amplifiers.
eBay
HDMI-compatible to AV Adapter HDMI To AV RCA Adapter Converter 1080P RCA AV Video Composite AV Converter For PC HDTV Projector
Aliexpress UK