WiiM Amp Pro Dark Grey - Stereo Streaming Amplifier

Processor architecture: ARM Cortex-A53 Processor cores: 4 Product colour: Dark Grey Internal memory: 512 MB Flash memory: 512 MB LED indicator light : Y Depth: 190 mm Height: 63 mm Width: 190 mm Weight: 1.84 kg Package contents: User manual Digital Living Network Alliance (DLNA) specification: DMS Works with Amazon Alexa: Yes Apple AirPlay 2 support: Yes Works with Apple Siri: Yes Spotify Connect: Yes Tidal Connect: Yes Equalizer customizable: Yes Sound bit resolution: 24-bit Speaker output: 4 Bluetooth version: 5.3 USB version: 2.0 Sub out: Yes Number of Ethernet LAN/WAN ports: 1 Optical input: Y Number of USB Type B ports: 1 Wi-Fi: Yes Bluetooth: Yes Ethernet LAN: Yes HDMI (ARC): 1 Warnings: Do not expose to high temperatures or moisture.