Not a hidden feature but a bit of convenience, USB music player volume adjustable in PS Menu (holding the PS button) : r/PS4
How to Play Music on a PS4 With Spotify or a USB Drive
PS4 system update 2.00 to bring USB Music Player, home screen colors, more - Gematsu
PS4 Update Includes USB Music Player and Share Play | Gaming Access Weekly
How to Play Music on a PS4 With Spotify or a USB Drive
How to Play Local Video and Music Files on Your PlayStation 4
How To Play Music On PS4: A User Guide For You
How to Play Music on a PS4 With Spotify or a USB Drive
PS4: How To Set Up and Use The USB Music Player App!! - YouTube
Amazon.com: Micro USB Cable,15Ft Extra Long PS4 Controller Charger Cable, DEEGO Durable Android Charging Cord for Samsung Galaxy S7 Edge S6,Note 5,Note 4,Moto G5,Android Phone,Kindle Fire,Black : Video Games
How to Play Videos From USB With PS4 Media Player | PlayStationing | PlayStationing
PS4 2.0 Masamune Update Package Arrives News And Latest Reveals: PS4 2.0 Update Arrives Bringing With It Features Such As YouTube Sync, Refined Home Screen, Share Play And A USB Music Player
How to FIX PS4 Media Player Not Showing Files on USB Device (Best Method!) - YouTube
PS4 system update 2.00 to bring USB Music Player, home screen colors, more - Gematsu
Sound Blaster G3 Portable Plug-and-Play USB-C DAC Amp for PlayStation® 4, Nintendo Switch™ Gaming Consoles, PC, and Mac - Creative Labs (United States)
PS4 system software 2.00 includes themes, USB music player and more | Shacknews
How to Play Local Video and Music Files on Your PlayStation 4
How to Use the PS4's USB Music Player - Guide | Push Square
PlayStation 4 Movie Streaming Solution: How to Play Movies on PS4 from USB Drive
Listening to music on a USB storage device | PlayStation®4 User's Guide
Amazon.com: BERLAT 3.5mm Male AUX Audio Jack to USB 2.0 Male Charge Cable Adapter Cord, 2pack Audio Car Stereo Jack Cables to USB 2.0, USB Connection Kit, for Music Player- 3.3ft（Support Data
![PlayStation 4 USB Music Player is back! | HOW TO [PS4 Firmware 3.50] - YouTube](https://i.ytimg.com/vi/PkQttiAESgc/maxresdefault.jpg "PlayStation 4 USB Music Player is back! | HOW TO [PS4 Firmware 3.50] - YouTube")
PlayStation 4 USB Music Player is back! | HOW TO [PS4 Firmware 3.50] - YouTube
How to PLAY MUSIC on PS4 while PLAYING GAMES (PS4 Media Player Tutorial) - YouTube
How to Play Music on a PlayStation 4: 10 Steps (with Pictures)
How to Use the PS4's USB Music Player - Guide | Push Square
How to View Photos, Play Music, and Watch Videos with PS4 Media Player - Guide | Push Square
