Polk Audio Signature Elite ES20 vs SVS Prime Bookshelf

Both are 2-way 6.5-inch bookshelf speakers with 1-inch dome tweeters and 8-ohm loads, so the choice comes down to tuning and cabinet. The Polk ES20 reaches lower on paper (41 Hz vs 48 Hz) and is Hi-Res certified to 40 kHz, with Polk's Power Port helping bass in small rooms. The SVS Prime is the heavier, more inert cabinet with an aluminum dome tweeter and SoundMatch crossover, and owners rate it 4.8/5 for imaging and clean output. Buy the SVS if you push volume and want pinpoint imaging; buy the Polk if you want fuller low-end from a lighter, easier-to-place box.

• Choose the Polk ES20 if you want deeper bass response from a compact cabinet and a slightly easier load for modest amplifiers.
• Choose the SVS Prime if you value cabinet rigidity, off-axis imaging and composure at high volume over the last few Hz of bass.