Tip: Creative SB Live! 24-bit External (USB sound card) works flawlessly on passthrough : r/ShieldAndroidTV
SOLD WTS: Creative Sound Blaster USB External Sound Card (SB0490)
Refurbished: Creative External Sound Blaster Live! SB0490 5.1 Channels 24-bit 48kHz in 5.1 mode and up to 96kHz in stereo mode USB Interface Sound Card - Newegg.ca
NEW Creative Labs SB0490 Sound Blaster 5.1 Live! 24-Bit USB External Sound Card | eBay