WiiM ULTRA Digital Hub Streamer:
Type: Digital Hub Streamer
Display & Controls:
Display: Glass-covered 3.5" vibrant touchscreen display (shows app widgets, album art, playback controls, queue, presets, EQ, audio I/O, settings, OOBE/OTA guides)
Physical Controls: Volume knob, play/pause, setup, and more
LED Indicator: 4 Color RGBW LED indicates device status
Audio Input:
HDMI ARC Input: Yes
Digital Inputs: Optical (TOSLINK)
Analog Inputs: Line (RCA), Phono (MM, MC)
Supported Input Resolution: Up to 24-bit/192 kHz
Audio Output:
Analog Outputs: RCA Line Out, Headphone Out (6.35mm jack)
Digital Outputs: Coaxial (RCA), Optical (TOSLINK), USB Audio Out
Wireless Output: Bluetooth transmitter (to another BT/DLNA receiver)
Supported Output Resolution: Up to 192 kHz/24-bit
Audio Performance:
Line Out Performance:
Maximum Output: 2.1V RMS
SNR: 121 dB (A-wt)
THD+N (1 kHz): 0.00018% (-115 dB) for 44.1k to 192k
Frequency Response: +/-0.05 dB
Headphone Out Performance:
300 ohms: SNR 119 dB, THD+N -99 dB
32 ohms: SNR 119 dB, THD+N -92 dB
Audio Processing:
EQ: 24 preset EQ settings, 10-band Graphics EQ, 10-band parametric EQ
Subwoofer Output: Comprehensive bass management with adjustable crossover frequency, level, phase, and latency
Connectivity:
Network: Wi-Fi 6E (802.11 b/g/n/ax 2.4 GHz, 5 GHz, and 6 GHz triple bands), 10M/100 Mbps LAN
External Storage: USB host for personal media library (FAT32, NTFS, EXT4 file systems), can act as media server for other WiiM/DLNA devices
Bluetooth: Bluetooth 5.3 with BLE and BT LE Audio (A2DP receiver/transmitter, AVRCP, HID), works with WiiM voice remote
Streaming & Protocols:
Supported Protocols: Spotify Connect, TIDAL Connect, Google Chromecast Audio (CastLite), Alexa built-in, DLNA, Squeezelite
General:
Power Supply: 100-240V AC input, 50/60 Hz, 0.5A Max
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