Having had both I would say the WP6 did more. The WP6 has much more bass. The WP6 will demand better electronics as they will reveal more. The Sophia is good don't get me wrong but the WP6 can do just a bit more. People who call the WP6 bright and fatiguing are just hearing there electronics and there cables.
What you should choose is your choice but either way they are good speakers.
What you should choose is your choice but either way they are good speakers.