Interface
Audio Input	- RCA for analog input - Optical for digital input
Audio Output	- Speaker out for analog output - Subwoofer out for an active subwoofer - Micro USB - USB - Ethernet RJ45
Mode button	Short press to switch input mode, press twice to reset WiFi/BT connection, press three times to restore factory reset, Long press to turn off, press again to turn on
IR receiver	Remote Control
Display status info	OLED display panel
Streaming protocols	AirPlay, DLNA, UPnP, Spotify connect and Qplay
Network	Wireless connection IEEE 802.11 b/g/n 2.4G Bluetooth 5.0 Wired connection Ethernet RJ45
Audio parameters
Speaker power	- 24V 4ohm 50Wx2 - 24V Bohm 30Wx2
Speaker Impedance	4~8ohm
Frequency response	20Hz~20kHz
THD+N	0.03%
Music format	FLAC/M P3/ AAC/ AAC+/ ALAC/ APE/W AV
Audio decode	24bit, 192kHz
Music sources
Online streaming services	Spotify, Internet Radio, QQ Music, Napster, Tidal, Qobuz, Deezer, Tuenln, iHeartRadio and more coming in the near future.
Local storage	Music stored on the mobile device memory, NAS, USB pen drive
Aux input	RCA input
Digital input	SPDIF Optical input
Control applications	4Stream for iOS and Android-based smart devices iTunes for Mac and Windows PC Foobar2000 and other DLNA compatible third-party applications
General
Power input	12V/4.16A input
Dimensions	120x113x37mm
Weight	0.4kg