Are the Paradigms 4 or 8 ohms? If they are 4, that might be a stretch giving them 300 watts, the surrounds especially, but it is doable if you're careful with the volume. I have used the monoblocks on Bose 301s (150 watts RMS input). They had 200 watts put into them. It didn't hurt them a bit as I played at very loud volumes. This was a workout unit I took to the gym. Yeah, I got a workout going to the gym too. Many people here would not believe the bass that the amps were able to generate from them. I have never heard any Bose sound like that before.