Before we discuss sound quality, we must clear up the nomenclature. Audiolab’s current core lineup consists of the 6000A (integrated amp) and the 6000N (streamer). However, the is essentially the lovechild of these two units.
Why search for the "4PDA"? Some users believe this specific code refers to a variant with upgraded op-amps or a black chassis exclusive to certain distributors. In reality, if you see an Audiolab 6000A with a small "Play" badge on the front panel, you are looking at the 4PDA. audiolab 4pda