WiiM Audio Pro Plus...

...features a new generation AKM 4493SEQ premium DAC that is able to achieve a leading level of low distortion and wide dynamic range thanks to AKM's Velvet Sound Technology. It supports up to 768 kHz PCM, ideal for the latest high-resolution audio source. Achieve 120 dB (A-wt) SNR, THD+N of 0.00032% (-110 dB) from 44.1k to 192k.

WiiM Audio Pro Plus: Specifics...

• Controls: Capacitive touch buttons ? Play/Pause, Volume +, Volume -, 1 x Preset
• Audio Input: 1 x Analog RCA Line input (2 Vrms),192 kHz/24-bit, SNR 106dB, 1 x SPDIF in Optical, up to 192kHz/24-bit
• Audio Output: 1 x Analog RCA Line output, 1 x Digital optical (SPDIF) output, 1 x Digital Coaxial output, up to 768kHz/32-bit
• Internal DAC: AKM4493SEQ with SNR 120dB, THD+N 0.00032 (-110dB)
• Audio Codec: MP3, AAC, ALAC, APE, FLAC, WAV, WMA, OGG
• EQ: Preset, 10-band Graphics EQ, 4-band parametric EQ
• Digital Audio Output: Bit-perfect output, up to 192 kHz, 24-bit with digital optical or coaxial output.
• Power Supply: USB Type-C, requires 5V, 1.5A or higher, Bundled adapter: 5V, 2A
• Network: 802.11 b/g/n/ac 2.4 GHz and 5 GHz dual bands Wi-Fi 10/100M Ethernet
• Bluetooth: 5.1
• Supported Streaming Protocol: AirPlay 2, Chromecast Audio, DLNA, Spotify Connect, TIDAL Connect, Amazon Music Casting, Qplay 2.0, Roon Ready (WiiM Pro has been certified, WiiM Pro Plus is in certification).
• Streaming Services In App: Spotify, Amazon Music, Deezer, Tunein, Tidal, Qobuz, SoundCloud, Pandora, iHeartRadio, vTuner, Napster, Sound machine, etc.
• Dimensions: 140 x 140 x 42mm
• Weight: 400grams
• Includes Wiim Voice Remote & Premium RCA for Line Out