Alternative A2DP Driver now supports AAC CODEC. Please see the AAC CODEC Support section of the FAQ for more details. Alternative A2DP Driver is a device driver that replaces Windows 10/11 inbox Bluetooth A2DP driver and allows you to fine-tune CODED parameters. Who is this software for? If your headphones support aptX HD or LDAC aptX HD and LDAC can provide higher-quality audio than other CODECs