

USB to jack adapter is connected to PS4, sound system connects it's 3.5 jack to 'headphones' part of the adapter.
AUDIO SPLITTER PS4 PS4
In my example, HDMI cable is going from PS4 to TV (monitor in your case). (this means no HD sound for 3D blu-rays as optical doesnt support it) In order to avoid messing with cables each time I watch a 3D film I got an HDMI splitter (1 input 2 outputs) to have this setup: PS4 > HDMI > Splitter > HDMI > Receiver > HDMI > TV. DURABLE CONSTRUCTION: Durable Aluminum Alloy Shell. Buy Deepsan Y Splitter for Audio and Microphone, 3.5mm Extension Cable 1 Male to 2 Female Audio mic Splitter for Earphone, Headset, Phone, Laptop, PS4. You don't need any audio input in your monitor if you're not using it for audio.

NOTE : It does not support 7.1CH Dolby Digital Plus, Dolby TrueHD because 7.1CH audio cannot be transmitted via fiber optic cable XtremPro 41138 VGA Splitter 1x2 Ports, 1 In 2 Out, 15 Pin w/ 3 Audio Ports, Resolution Up To 1920x1200 & 1080p, Amplifier Bandwidth To 500MHz For PC, TV Monitor Projector Screen Sharing - Black. AUDIO FORMAT: Supports Digital 5.1CH Dolby-AC3, DTS, PCM, LPCM2.0, ADAT, 32kHz, 44.1kHz, 48kHz and 96kHz. Tripp Lite 4-Port 4K 3D HDMI Splitter HDCP 2.2 for Ultra HD Video w/ Audio (B118-004-UHD-2) 112.34 (9 Offers) Free Shipping.FREE delivery Fri, Apr 14 on 25 of items shipped by Amazon. If it doesnt work, then the Sennheiser need a custom adapter. KINGTOP 3.5mm Combo Audio Adapter Cable Compatible for PS4,PS5,Xbox One S,Nintendo Switch,Tablet,Mobile Phone,PC Gaming Headsets and New Version Laptop.
AUDIO SPLITTER PS4 BLUETOOTH
OPTICAL SPLITTER 1 IN 3 OUT: Toslink fiber optic audio splitter allows you to connect one optical audio source and split it into three receiving devices such as A/V receiver, Bluetooth transmitter & Sound bar Have you acticated the microphone in Recording Devices Right click on the Sound Speaker -> Select Recording Devices -> Select micriphone -> Right click and select as default device.
