Enjoy movies, music and gaming with high-resolution, room-filling, cinematic sound and effortless bass. Polk’s high-performance ES20 bookshelf loudspeaker is Hi-Res Audio Certified, features a Dynamically Balanced acoustic array, precision crossovers and Power Port bass-enhancing technology.
| Width | 8.5" (21.59 cm) |
| Height | 14.8" (37.59 cm) |
| Depth | 13.8" (35.05 cm) |
| Weight | 17 lbs (7.71 kg) |
| Driver Complement | • (1) 1" (2.54 cm) d (Round) Terylene High-Res Dome Tweeter • (1) 6.5" (16.51 cm) d (Round) Dynamic Balance Mica Reinforced Polypropylene Driver |
| Driver Enclosure Type | Power Port Bass Vented |
| Impedance | Compatible with 4 and 8 ohm outputs |
| Recommended Amplifier Power Per Channel | 20 watts → 150 watts |
| Sensitivity (1 watt @ 1 meter) | 88 dB |
| Crossover Frequency | 2,500 Hz |
| Total Frequency Response | 44 Hz → 40,000 Hz |
| Inputs | (1) Pair of 5-way Binding Posts - Gold Plated |
