import pyaudio
pa = pyaudio.PyAudio()

print('\n\n\n==========================================\nFound devices:')
for device_index in range(pa.get_device_count()):
    dev = pa.get_device_info_by_index(device_index)
    if dev['maxInputChannels'] > 0:
        print('{}: Samplerate {} Channels {}'.format(dev['name'],
                                                     dev['defaultSampleRate'],
                                                     dev['maxInputChannels']))