Complex sentence: The Zenbook Primes were not without criticism however; the trackpad was acknowledged as an improvement over the original Zenbooks but still irritating, and the sound quality was also found to be worse than that with the first generation.
Split into simpler sentences: The Zenbook Primes were not without criticism however; the trackpad was acknowledged as an improvement over the original Zenbooks but still irritating. The sound quality was also found to be worse than the first generation.