| [Audio Adaptor Board](http://www.pjrc.com/store/teensy3_audio.html) for 16 bit stereo input and output. | [Audio Adaptor Board](http://www.pjrc.com/store/teensy3_audio.html) for 16 bit stereo input and output. | ||||
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| [Teensy 3.1](http://www.pjrc.com/store/teensy31.html) 12 bit DAC | [Teensy 3.1](http://www.pjrc.com/store/teensy31.html) 12 bit DAC | ||||
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| [Teensy 3.1](http://www.pjrc.com/store/teensy31.html) or [3.0](http://www.pjrc.com/store/teensy3.html) ADC Input | [Teensy 3.1](http://www.pjrc.com/store/teensy31.html) or [3.0](http://www.pjrc.com/store/teensy3.html) ADC Input | ||||
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| [Teensy 3.1](http://www.pjrc.com/store/teensy31.html) or [3.0](http://www.pjrc.com/store/teensy3.html) PWM Output | [Teensy 3.1](http://www.pjrc.com/store/teensy31.html) or [3.0](http://www.pjrc.com/store/teensy3.html) PWM Output | ||||
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