HiFiBerry Amp4 Class-D Power Amplifier for The Raspberry Pi

HiFiBerry Amp4 Class-D Power Amplifier for The Raspberry Pi

Raspberry Pi 4 Model B 2019 Quad Core 64 Bit WiFi Bluetooth (4GB)

UpBright New 18V AC/DC Adapter Compatible with ID: 2.5mm OD: 5.5mm Barrel Round Plug 2.5 mm X 5.5 mm 18 Volt 3 Amp 18 V 18.5V 3A 18VDC 3.0A - 3.5A (Positive Inside) Power Supply Cord Cable Charger PSU