Question: are 6 ohm speakers good?
Answer: Most bookshelf and tower speakers are rated either 6-ohms or 8-ohms. Any speaker impedance rating that is 4-ohms is typically going to be a high-end, audiophile product that wants an amplifier that can really put out some power. ... For most people, a 6-ohm or 8-ohm speaker is going to be the norm.