A/B comparison · Speakers

Bowers & Wilkins 685 S2 vs Klipsch R-51M

Specs from both manufacturer datasheets Updated Jan 6, 2025

CH A

Bowers & Wilkins 685 S2

Channel A · Bookshelf · 2017

CH B

Klipsch R-51M

Channel B · Bookshelf · 2018

Bowers & Wilkins 685 S2 Klipsch R-51M

20 Hz 100 1k 10k 20k

8.1/10Klipsch

Rows won, of 11 compared Bowers & Wilkins 1 · Klipsch 2 · tied or not compared 8

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 0.98" Tweeter + 1x 6.5" Mid-woofer Drivers 1x 1" Tweeter + 1x 5.25" Mid-woofer

49 Hz to 22 kHz -13 Hz deeper ±3 dB · 52 Hz to 22 kHz extended Frequency response 62 Hz to 21 kHz ±3 dB

Not published Max SPL 108 dB

Ported (Bass Reflex) Enclosure Ported (Bass Reflex)

Power, electrical, physical

88 dB 2.83 V/1 m Sensitivity 93 dB +5 dB 2.83 V/1 m

8 Ω Impedance 8 Ω

25 W Amp range 75 to 340 W

Not published Speaker terminals 5-way binding posts

343 mm Height · weight 338 mm · 23.6 lb

3 yr Warranty 5 yr +2 yr

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

+ Add another product Line up a third or fourth product next to these two in the comparison tool.

Availability

Where they stand on price

Bowers & Wilkins 685 S2

Check price on Amazon Read our review Full specs

Availability last checked Jan 6, 2025

Klipsch R-51M

Check price on Amazon Read our review Full specs

Availability last checked Jan 6, 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.

B&W 685 S2 vs Bose 601 Series II B&W 685 S2 vs Polk Audio Signature Series S20 B&W 685 S2 vs Bowers & Wilkins 606 S2 Anniversary Edition B&W 685 S2 vs Klipsch RP-8000F Open the comparison tool