Short answer: the Polk Signature Elite ES20. It ranks #69 of 130 bookshelf speakers by sound quality at $359; the Dynaudio Emit 20 ranks #75 and costs $1049, so there is not much of a tradeoff to weigh.
What the Polk Signature Elite ES20 offers: A full-size, efficient 6.5-inch bookshelf pair with unusually deep bass for the price. ASR measured 41Hz estimated in-room extension, a well-damped Q of 0.66, broad horizontal coverage to roughly +/-60 degrees and a 5.54 preference score with a subwoofer. Watch for: Predicted in-room smoothness of 0.238 and directivity-index consistency of 3.81 are average rather than class-leading. The deep cabinet needs substantial shelf or stand space, and its Power Port still requires rear clearance.
What the Dynaudio Emit 20 offers: Two-way design with a 28mm Esotar soft dome tweeter (Hexis-damped) and an 18cm mid-woofer, using a first-order crossover on the tweeter and second-order on the woofer. Exceptional bass extension for a bookshelf speaker - reaches a clean, authoritative 40Hz in-room, rare enough that the reviewer says most listeners could skip a subwoofer for typical music. Very low distortion across the board, staying below 1% THD down to 40Hz at 86dB and below 3% even at 96dB - unusually clean bass performance where most two-way bookshelf speakers start rising in distortion around 80Hz. Wide, remarkably consistent horizontal directivity (about ±50-60°) that holds steady up to roughly 13kHz - rare for a speaker in this format, thanks to a beveled tweeter edge that acts as a mild waveguide. Excellent compression and dynamic-range linearity at the frequency extremes, actually showing slight bass enhancement rather than the sharp low-end compression common in similarly-sized bookshelf speakers. Watch for: A resonance around 600-800Hz gives snares and similar percussion a muffled, flat quality lacking impact - confirmed as originating in the woofer itself (isolated via measurements of the raw driver out of the cabinet), and attempts at constrained-layer damping didn’t resolve it. A peak around 4kHz adds a sharp, edgy quality to some male vocals. A roughly 5dB boost above 10kHz gives cymbals and hi-hats excess shimmer that can sound unnatural, especially pointed directly on-axis. Vertical dispersion shows two separate crossover-related notches (above and below the tweeter reference line around 5kHz) rather than the usual single one, a direct consequence of the shallow crossover slopes used on both drivers. Multitone distortion is elevated in the midrange, possibly due to the woofer’s magnet structure lacking a shorting ring. Best aimed slightly off-axis (about 10-15° of toe-out) to tame the excess high-frequency shimmer, rather than pointed straight at the listener.
Buy the Polk Signature Elite ES20. It ranks higher for sound quality than the Dynaudio Emit 20 and costs less, which settles it without a real tradeoff to make.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| Polk Signature Elite ES20 | Dynaudio Emit 20 | |
|---|---|---|
| Price | $359 per pair | $1,049.00 per pair |
| Ranked | #69 of 130 in Large Size Bookshelf Speakers | #75 of 130 in Large Size Bookshelf Speakers |
| Enclosure | 2-way, Power Port bass-reflex | - |
| Drivers | 1" Terylene dome tweeter, 6.5" polypropylene woofer | 7.1" Magnesium Silicate Polymer woofer, 1.1" Cerotar soft dome with Hexis tweeter |
| Dimensions | 14.8H x 8.5W x 13.8D in | 14.6"H x 8.1"W x 12.3"D (370.0 x 205.0 x 312.0 mm) |
| Weight | 17 lbs (7.7 kg) each | 12.8 lbs (5.8 kg) |
| Sensitivity | 86dB | 83.5dB (measured, Erin's Audio Corner; 86dB manufacturer specified) |
| Impedance | 4/8-ohm compatible | 6 ohms nominal (5.5 ohms minimum above 80Hz, measured, Erin's Audio Corner) |
| Country | United States (design) | - |
| Spinorama Preference Score | 3.60 | 3.35 |
| Spinorama Preference Score with Perfect Sub | 5.54 | 5.05 |
| Bass Extension (-10dB) | - | 33Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | - | 54Hz (measured, Erin's Audio Corner) |
| Woofer Cabinet | - | ported, rear |
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The Two Speakers In Full
Polk Signature Elite ES20: $359 per pair B&H Photo Video eBay
Pros: A full-size, efficient 6.5-inch bookshelf pair with unusually deep bass for the price. ASR measured 41Hz estimated in-room extension, a well-damped Q of 0.66, broad horizontal coverage to roughly +/-60 degrees and a 5.54 preference score with a subwoofer.
Cons: Predicted in-room smoothness of 0.238 and directivity-index consistency of 3.81 are average rather than class-leading. The deep cabinet needs substantial shelf or stand space, and its Power Port still requires rear clearance.
Full Polk Signature Elite ES20 review and specifications →
| Country | United States (design) |
|---|---|
| Dimensions | 14.8H x 8.5W x 13.8D in |
| Drivers | 1" Terylene dome tweeter, 6.5" polypropylene woofer |
| Enclosure | 2-way, Power Port bass-reflex |
| Impedance | 4/8-ohm compatible |
| Sensitivity | 86dB |
| Spinorama Preference Score | 3.60 |
| Spinorama Preference Score with Perfect Sub | 5.54 |
| Weight | 17 lbs (7.7 kg) each |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Polk Signature Elite ES20 vs Ascend CBM-170 SE2
- Polk Signature Elite ES20 vs Klipsch RP-600M II
- Polk Signature Elite ES20 vs Philharmonic BMR Monitor
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- Polk Signature Elite ES20 vs Mission LX-3 MKII
- Polk Signature Elite ES20 vs ELAC DBR62
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- See all 44 comparisons
Dynaudio Emit 20: $1,049.00 per pair Amazon eBay
Pros: Two-way design with a 28mm Esotar soft dome tweeter (Hexis-damped) and an 18cm mid-woofer, using a first-order crossover on the tweeter and second-order on the woofer. Exceptional bass extension for a bookshelf speaker - reaches a clean, authoritative 40Hz in-room, rare enough that the reviewer says most listeners could skip a subwoofer for typical music. Very low distortion across the board, staying below 1% THD down to 40Hz at 86dB and below 3% even at 96dB - unusually clean bass performance where most two-way bookshelf speakers start rising in distortion around 80Hz. Wide, remarkably consistent horizontal directivity (about ±50-60°) that holds steady up to roughly 13kHz - rare for a speaker in this format, thanks to a beveled tweeter edge that acts as a mild waveguide. Excellent compression and dynamic-range linearity at the frequency extremes, actually showing slight bass enhancement rather than the sharp low-end compression common in similarly-sized bookshelf speakers. Measured bass extension of 54Hz (-3dB), with a measured sensitivity of 83.5dB.
Cons: A resonance around 600-800Hz gives snares and similar percussion a muffled, flat quality lacking impact - confirmed as originating in the woofer itself (isolated via measurements of the raw driver out of the cabinet), and attempts at constrained-layer damping didn’t resolve it. A peak around 4kHz adds a sharp, edgy quality to some male vocals. A roughly 5dB boost above 10kHz gives cymbals and hi-hats excess shimmer that can sound unnatural, especially pointed directly on-axis. Vertical dispersion shows two separate crossover-related notches (above and below the tweeter reference line around 5kHz) rather than the usual single one, a direct consequence of the shallow crossover slopes used on both drivers. Multitone distortion is elevated in the midrange, possibly due to the woofer’s magnet structure lacking a shorting ring. Best aimed slightly off-axis (about 10-15° of toe-out) to tame the excess high-frequency shimmer, rather than pointed straight at the listener.
Full Dynaudio Emit 20 review and specifications →
| Bass Extension (-10dB) | 33Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 54Hz (measured, Erin's Audio Corner) |
| Dimensions | 14.6"H x 8.1"W x 12.3"D (370.0 x 205.0 x 312.0 mm) |
| Drivers | 7.1" Magnesium Silicate Polymer woofer, 1.1" Cerotar soft dome with Hexis tweeter |
| Impedance | 6 ohms nominal (5.5 ohms minimum above 80Hz, measured, Erin's Audio Corner) |
| Sensitivity | 83.5dB (measured, Erin's Audio Corner; 86dB manufacturer specified) |
| Spinorama Preference Score | 3.35 |
| Spinorama Preference Score with Perfect Sub | 5.05 |
| Weight | 12.8 lbs (5.8 kg) |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Dynaudio Emit 20 vs Klipsch RP-600M II
- Dynaudio Emit 20 vs Philharmonic BMR Monitor
- Dynaudio Emit 20 vs JBL Studio 630
- Dynaudio Emit 20 vs Behringer B2030P
- Dynaudio Emit 20 vs Mission LX-3 MKII
- Dynaudio Emit 20 vs GR-Research X-LS Encore
- Dynaudio Emit 20 vs Infinity IL10
- Dynaudio Emit 20 vs Ascend CBM-170 SE2
- See all 63 comparisons