SB1730 Sound Blaster PLAY! 3. USB DAC Amp and External Sound Card. The Sound Blaster PLAY! 3 is a USB DAC and Amp that provides an instant audio upgrade from motherboard audio. It works with PC and Mac, and houses a powerful amplifier that will drive a whole range of headphones, from basic mobile phone earbuds to gaming and studio-grade headphones. The downloadable Sound Blaster Control Panel Software offers tremendous audio realism and immersive audio effects, and also comes with optimized profiles for selected earphone brands.