Polk Signature Elite ES20

Sources split three ways. The largest block of weight — Amir at ASR and several owners — hears a bright lean: Amir heard it as 'somewhat bright' and a little muddy before EQ, and owners on ASR and Reddit want a treble cut or found it fatiguing. A second group hears it as even and balanced: audiofi.net ('nothing really sticking out'), DCinside's Nuyes, who could hardly believe his on-axis measurement at the price, and owners who compared it with Klipsch and Q Acoustics speakers. A smaller camp hears it as warm, full or mild — a Japanese ex-shop reviewer and two Reddit owners, one of whom returned an Elac B6.2 and a KEF Q150 for it. Several owners apply Amir's EQ (a 600 Hz notch and a treble shelf) and report a smoother result.

The ES20's clearest strength. Amir called the bass 'way above what you expect' and measured usable output down to about 35 Hz, which he credits to the deep cabinet. audiofi.net found the unaided bass impressive on 60 cm stands. Nuyes said its bandwidth forgives everything, and Japanese owners on kakaku.com rate its bass well above the category average. Many owners on Reddit and ASR say they don't need a subwoofer, including in large rooms. The caveats are about the upper bass: Amir hears the port or cabinet resonance as muddiness, an ASR member reading the port measurement calls it one of the worst he's seen, and one apartment owner still found it bass-heavy and boomy after EQ. Pushed hard, the woofer loses deep bass and turns 'tubby' rather than distorting harshly.

“To that end, they have done a very good job here, producing bass response that is way above what you expect.”

Amir, Audio Science Review (Klippel NFS)

“Okay, some may have pined for a subwoofer to augment bass extension, but what’s there raw, was indeed impressive.”

Lim Juan, audioFi.net

“I have the ES-20s and they pack a ridiculous amount of bass for a bookshelf speaker.”

funkymonk44, r/BudgetAudiophile (owner)

Sources split. Most of the weight hears an open, clear midrange with natural voices: audiofi.net, the iine.me reviewer, Japanese owners (who score the mids above the category average) and Reddit owners who compared it with Klipsch speakers. One long-term ASR owner even calls the mids forward and 'shiny'. Others hear it as a little muddy or less resolved. Amir traces muddiness to the 600 Hz port/cabinet resonance, which a small EQ cut removes. A kakaku owner found a Denon speaker livelier and more lustrous on vocals after two years, a DCinside owner found the upper midrange slightly short on resolution, and a Reddit listener heard the KEF Q1 Meta as clearer through the midrange.

Sources split. Just over half the weight hears the tweeter as bright. Amir found female vocals too bright until he added a shelving filter, and ASR owners describe 'a little brightness'. One Reddit owner returned it as 'harsh and fatiguing', a listener who auditioned it would 'dampen the treble a little', and a couple of Amazon owners call it too bright or report harsh upper-vocal distortion. The other camp hears a smooth, extended top end: audiofi.net, a Japanese reviewer, and owners who find it 'not harsh' or 'crisp, fresh'. One Japanese owner found the treble a little lacking. kakaku.com owners score it just under the category average. Toeing the speakers out, EQ and the bass level in the room all move this.

Consistently praised as big and spacious. audiofi.net heard good hall ambience and a presentation that holds up away from the sweet spot. The iine.me reviewer calls its sense of space immersive, and a European owner reports a 'really wide soundstage' in a living room of over 35 m². Several owners use the phrase 'wall of sound'.

“ブックシェルフスピーカーならではの空間表現の巧みさも合わさり音楽に没入できます。”

iine.me (Japanese: 'Combined with the deft sense of space only a bookshelf speaker gives, you can lose yourself in the music')

“Btw ES20 are good speakers, nice sound quality, really wide soundstage, at least in my 35+ squaremeters livingroom”

ApprehensiveBet6756, r/BudgetAudiophile (owner)

Praised with few specifics. audiofi.net names imaging and presence as strengths, and owners describe 'decent imaging' and sounds that are easy to place whether the speakers are toed in or not.

“Imaging and presence were also strong points of the Polks, as was the sense of retrieval of hall ambience and atmosphere with suitable recordings.”

Lim Juan, audioFi.net

“Whether toed in or straight, I'm able to localize sounds pretty easily.”

slyck80, r/BudgetAudiophile (owner, equilateral triangle)

Good rather than forensic. Amir was struck by its clarity and low distortion once EQ'd, and a Reddit owner heard details he hadn't heard before. audiofi.net found the detail there but 'not presented in an overt way', with the pricier Elac BS U5 more articulate. Two owners found it a little short on resolution: a DCinside commenter in the upper midrange, and a kakaku reviewer who went back to a Denon.

“Not only was the tonality right but there was this clarity and lack of distortion that kept impressing me.”

Amir, Audio Science Review (after EQ)

“Detail is there, just not presented in an overt way.”

Lim Juan, audioFi.net (vs Elac BS U5)

“실제로 들어보면 중고역대 해상력이 조금 떨어지는 느낌.”

1185jo, DCinside speaker gallery (owner; Korean: 'When you actually listen, the upper-mid resolution feels a little lacking')

Plays loud cleanly and punches when asked. Amir found it could play 'pretty loud', with the woofer losing deep bass rather than breaking up. An ASR member hammered it in a 12.5 × 23 ft room with a 40 Hz high-pass. audiofi.net calls it engaging at low volume and potent when pushed. A long-term ASR owner calls it ideal for low-level listening, though another couldn't get a room-filling sound at low volume from 20 feet away in an office.

“ES20 could play pretty loud and distorted gracefully in that the woofer just lost deep bass and became a tubby.”

Amir, Audio Science Review

“I’d call the ES20s consistent, cohesive all rounders that put out a potent punch when called on to.”

Lim Juan, audioFi.net

“The ES20 is perfect for low level listening.”

panblue43, Audio Science Review forum (owner, Marantz PM7005)

Two points, and both hold. First, it is forgiving about the room. Amir measured an unusually smooth, wide horizontal dispersion and a larger-than-usual vertical sweet spot. audiofi.net found it less prone to boom than other rear-ported speakers, 35 cm to 90 cm from the wall, and best with slight toe-in. Owners run it nearly against the wall without boom and find toe-in forgiving; forum regulars credit the Power Port's diffuser plate. One owner right against a wall still needed to remove the port plate to tame boom. Second, it is big: nearly 14 inches deep. It won't fit most bookshelves or small desks, and Japanese owners and Amazon buyers flag the size as its main drawback.

“I was impressed by the smooth and constant horizontal beam width and dispersion”

Amir, Audio Science Review (Klippel NFS)

“They were less prone to getting boomy than some of the other rear-ported models I had experienced.”

Lim Juan, audioFi.net (35 cm and ~90 cm from the front wall)

“They’re huge though, but I have them pretty much against the wall, no booming at all!”

Educational-Hat743, r/BudgetAudiophile (owner)

“これがこのスピーカー唯一の弱点”

('jjj'), kakaku.com owner review, on its size (Japanese: 'This is the speaker's only weakness')

Easy to drive with ordinary amplifiers. audiofi.net found it didn't demand much power from a 35 W class-A hybrid or an old 50 W Pioneer. Owners run it loud from a Fosi V3 in a converted garage and from a 2 × 35 W Raspberry Pi amp board. One Japanese owner felt his AV receiver alone was short of drive. spinorama.org's calculation from ASR's data puts its sensitivity at about 87.5 dB at 2.83 V, a little above Polk's rated 86 dB. Polk says it suits 4- and 8-ohm outputs and 20–125 W.

“in practice the ES20s did not seem to demand a lot of power to put out healthy SPLs”

Lim Juan, audioFi.net (35 W class-A tube hybrid, 50 W Pioneer A400X)

“I drive mine with a 2x35 watt Raspberry Pi amp HAT. They shake my entire bedroom.”

cr0ft, r/BudgetAudiophile (owner)

Solid where it counts, cheaper on the surface. Amir liked the look and finish, audiofi.net found the build solid with good binding posts, and an ASR owner calls the cabinets very solid and nicely built. The complaints concern the finish and small parts. The walnut finish is a vinyl wrap, which disappointed Amazon buyers (one damaged it during setup). An ASR owner found the grilles flimsy, and Japanese owners score its design below the category average.

“Cabinet are very solid and nicely built.”

frabor, Audio Science Review forum (owner)

“Expensive speakers sound great but very disappointed that the Walnut finish is just a vinyl wrap.”

Amazon owner review (walnut, 3★)

“The removable front grills are surprisingly flimsy feeling.”

Mookalafalas, Audio Science Review forum (owner)

Widely seen as exceptional value at $300–400 a pair. Amir: 'so much performance for so little money'. Nuyes could hardly believe the price, and Amazon owners mentioning value are 43 to 1 positive. The caveats come from buyers who compared it with pricier speakers. Owners call the Elac DBR62 (about twice the price) a class above, one returned it for Polk's own R200, and a kakaku owner concluded it sounds like what it costs while still calling it very good for the money. One Amazon buyer called it trash next to Micca, Swan and JBL speakers.

“You are getting so much performance for so little money.”

Amir, Audio Science Review

“I have the ES20 and love them, but they are not in the same class as the DBR62.”

sl0wjim, r/BudgetAudiophile (owner; the Elac costs about twice as much)

“やはり値段なりだなーと実感した次第です。”

kakaku.com owner review, 3★ after two years (Japanese: 'I realised it really is what you pay for')