HiFi SPECS

A/B comparison · Speakers

Fluance SX6-BK vs Klipsch R-51PM

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

Fluance SX6-BK vs Klipsch R-51PM in brief

  • Spec rows: Fluance SX6-BK wins 1, Klipsch R-51PM wins 0, 10 tied or not compared, of 11 rows.
  • Our scores: Fluance SX6-BK 8.6/10, Klipsch R-51PM 7.8/10.
  • Fluance SX6-BK wins: sound quality (8.5 vs 7.8), bass response (8.5 vs 6.5), treble detail (9 vs 8.5), design (9 vs 8.2), value for money (8.5 vs 7.5).
  • Tied: midrange clarity (8 each).
  • Who should buy which: The Fluance SX6-BK wins every aspect where the two differ.
CH A Fluance SX6-BK

Fluance SX6-BK

Channel A · Bookshelf · 2014
VS
CH B Klipsch R-51PM

Klipsch R-51PM

Channel B · Powered Bookshelf · 2019
Fluance SX6-BK Klipsch R-51PM
20 Hz 100 1k 10k 20k
8.6/10Fluance 7.8/10Klipsch

Rows won, of 11 compared Fluance 1 · Klipsch 0 · 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

2-way Configuration 2-way
1x 1" Tweeter + 1x 5" Mid-woofer Drivers 1x 1" Tweeter + 1x 5.25" Mid-woofer
60 Hz to 20 kHz Frequency responseReference not published 68 Hz to 21 kHz
Not published Max SPL 107 dB
Ported (Bass Reflex) Enclosure Ported (Bass Reflex)

Power, electrical, physical

89 dB 2.83 V/1 m SensitivityReference not published 107 dB
8 Ω Impedance 8 Ω
30 to 100 W Amp range Not published
5-way binding posts From the Amazon listing Source Speaker terminals Not published
343 mm · 25.6 lb Height · weight 338 mm · 23.4 lb
5 yr +3 yr Warranty 2 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

Fluance SX6-BK Klipsch R-51PM
Sound quality 8.5 7.8
Bass response 8.5 6.5
Midrange clarity 8.0 8.0
Treble detail 9.0 8.5
Design 9.0 8.2
Value for money 8.5 7.5

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

Availability

Where they stand on price

Fluance SX6-BK
Availability last checked Jan 8, 2025
Klipsch R-51PM
Availability last checked Jan 8, 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.