Arafiq, I would agree. Similarly I have read about display issues of the newer Naim gear. At the prices that Naim is charging this should not be happening. My Krell KPS-30i is close to 30 years old and the display is still working flawlessly until today. It is fortunate that all my Naim gear do not have displays (NAC 202 and NAC 282).
The lack of power is a valid reason to the underperforming P3ESR. The speakers do respond well to more powerful amps.
A sub will help with the bass by augmenting the frequencies which the speakers fail to reproduce. However, the right amp will not only improve the bass of the main speakers but open up the midrange and treble. The presentation of the Harbeth can be very different with a suitable amp particularly tubes. Some solid-state amps will also produce the results but be cautioned, the P3ESR may not sound much different if you pick the "wrong" amp.
The lack of power is a valid reason to the underperforming P3ESR. The speakers do respond well to more powerful amps.
A sub will help with the bass by augmenting the frequencies which the speakers fail to reproduce. However, the right amp will not only improve the bass of the main speakers but open up the midrange and treble. The presentation of the Harbeth can be very different with a suitable amp particularly tubes. Some solid-state amps will also produce the results but be cautioned, the P3ESR may not sound much different if you pick the "wrong" amp.