Arylic S50 Pro+ WiFi & AptX HD Audio Preamplifier With ESS Sabre Dac AKM ADC Multiroom Airplay Spotify Tidal Internet Radio Arylic S50 Pro+ WiFi & AptX HD Audio Preamplifier With ESS Sabre Dac AKM ADC Multiroom Airplay Spotify Tidal Internet Radio. Sale price : $221.74 Category : Consumer Electronics