HiFi SPECS

A/B comparison · Speakers

KEF R3 vs Polk Audio T50

Specs from both manufacturer datasheets Updated Jan 30, 2025 Scored with 10 + 8 Amazon reviews

KEF R3 vs Polk Audio T50 in brief

  • Spec rows: KEF R3 wins 1, Polk Audio T50 wins 1, 10 tied or not compared, of 12 rows.
  • Our scores: KEF R3 8.3/10, Polk Audio T50 6.8/10.
  • KEF R3 wins: sound quality (8.7 vs 7), bass response (8.8 vs 5), midrange clarity (8.5 vs 8), design (9 vs 7.5), value for money (7.5 vs 5.8).
  • Polk Audio T50 wins: treble detail (7.5 vs 7).
  • Who should buy which: Pick the KEF R3 for sound quality, bass response, midrange clarity, design and value for money. Pick the Polk Audio T50 if treble detail matters most.
CH A KEF R3

KEF R3

Channel A · Bookshelf · 2018
VS
CH B Polk Audio T50

Polk Audio T50

Channel B · Floorstanding (Tower) · 2015

About $209

KEF R3 Polk Audio T50
20 Hz 100 1k 10k 20k
8.3/10KEF 6.8/10Polk Audio

Rows won, of 12 compared KEF 1 · Polk Audio 1 · tied or not compared 10

Datasheet · Side by side

Spec by spec

Built from both structured spec sheets. The delta chip sits on the winning side; rows with no defensible winner carry no chip.

Sound & drivers

3-way Configuration 2-way
1x 1" Tweeter + 1x 5" Midrange + 1x 6.5" Woofer Drivers 1x 1" Tweeter + 1x 6.5" Mid-woofer
52 Hz to 28 kHz ±3 dB · 45 Hz to 45 kHz extended Frequency response 38 Hz to 24 kHz -14 Hz deeper ±3 dB
110 dB +10 dB Max SPL 100 dB
Ported (Bass Reflex) Enclosure Ported (Bass Reflex)
49 Hz Port tuning 50 Hz

Power, electrical, physical

87 dB SensitivityReference not published 90 dB 1 W/1 m
8 Ω Impedance 6 Ω
15 to 180 W Amp range 20 to 100 W
Not published Speaker terminals 5-way binding posts Checked against the maker's own sheet, Sep 2026 Source
419 mm Height · weight 927 mm · 44.9 lb
5 yr Warranty 5 yr

A higher sensitivity figure means the same loudness from less amplifier power. Values come from each manufacturer datasheet.

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From our reviews

How it scored, paired

6 aspects, two channels

KEF R3 Polk Audio T50
Sound quality 8.7 7.0
Bass response 8.8 5.0
Midrange clarity 8.5 8.0
Treble detail 7.0 7.5
Design 9.0 7.5
Value for money 7.5 5.8

Each aspect is scored 0 to 10 in our reviews, against the rest of the class.

Availability

Where they stand on price

KEF R3
Availability last checked Jan 30, 2025
Polk Audio T50
Availability last checked Jan 30, 2025

We do not show live prices; price tiers are our editorial categories. As an Amazon Associate, HiFi Specs earns from qualifying purchases. Our scores and comparisons are never influenced by affiliate partners.