2. features   usb 2.0 full speed compatible and usb if certification   usb audio device class specification v1.0 compatible   usb bus powered 500ma operation with suspend mode support   usb audio function topology has 1 input terminal, 1 output terminal, and 1 feature un  compatible with win 98se / win me / win 2000 / win xp, and mac os 9 / os
without additional driver   embedded high performance 16 bit stereo audio dac   embedded digital control power amplifier for speaker driving   embedded power on reset block and power amplifier enable / disable control pin   embedded x2 modulation for higher audio quality   embedded anti-pop circuit with internal feedback structure   embedded 5v to 3.3v regulator with voltage level detector for single 5v extern
power supply   alternate zero bandwidth setting for releasing bandwidth on usb bus during inactiv
operation   single 12mhz crystal input with on-chip pll and embedded usb transceiver   support dynamic range control (drc) feature to provide a better listen experienc  volume control input with simple external vr circuit   isochroous transfer using adaptive synchronization with internal pll   high performance 44.1khz and 48khz sampling rate for audio playback   3.3v io with 5v tolerance; 3.3v core logics design   gpio pin for application specific usage   support s/pdif output interface   led indicator pin during playback
tm  software xear 3d sound technology with hrtf 3d, eax , speaker shifter an
virtual 7.1ch effects   compact 18 pin sop package

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