HiFi SPECS

Floorstanding (Tower) speaker · Released 2012

Martin Logan Motion 20

Updated Sep 7, 2026

Configuration
3-way
Frequency response
46 Hz to 25 kHz±3 dB
Sensitivity
90 dB2.83 V/1 m
Impedance
4 Ω
Amplifier power
20 to 200 W
Weight
37 lb

My journey with the Martin Logan Motion 20 speakers was more than satisfactory, albeit with some trials. Aesthetically, they’re quite a sight to behold with a sleek black finish.

8.4/10 HiFi Specs scoreScored with 10 Amazon reviews

The Martin Logan Motion 20 isn't sold new any more. The closest current model is the Martin Logan Motion Foundation F1.

Why this one: The Foundation series replaced the whole Motion tower lineup and F1 sits in the same compact 3-way slot.

On the bench Response trace, stylized
As reviewed Martin Logan Motion 20
20 Hz 100 1k 10k 20k

Strongest: bass response 8.9 · weakest: midrange clarity 7.2. Compared across 162 speakers in our database.

At a glance

Martin Logan Motion 20 in 5 facts

  • Type: Floorstanding (tower) speaker, passive
  • Frequency response: 46 Hz to 25 kHz ±3 dB
  • Sensitivity: 90 dB (2.83 V/1 m)
  • Impedance: 4 Ω
  • HiFi Specs score: 8.4/10, the average of 6 rated aspects

Verdict

The short version

8.4/10

My journey with the Martin Logan Motion 20 speakers was more than satisfactory, albeit with some trials. Aesthetically, they’re quite a sight to behold with a sleek black finish. Sound quality is refined, polished and quite a treat. The seller was responsive when faced with issues. However, the refined sound might not fulfill every listener's preference and some were shipping mishaps. But overall, this product is a fine investment if you're willing to pay for quality sound. HiFi Specs score from 6 rated aspects · compared across 162 speakers

Datasheet

The numbers

Power type
Passive
Configuration
3-way
Drivers
1x 1" Tweeter + 1x 5.5" Mid-woofer
Frequency response
46 Hz to 25 kHz ±3 dB
Crossover frequency
2.6 kHz
Sensitivity
90 dB (2.83 V/1 m)
Impedance
4 Ω
Recommended amp power
20 to 200 W

Cabinet

Cabinet & connections

Enclosure type
Ported (Bass Reflex)
Port location
Rear Checked against the maker's own sheet, Sep 2026 Source
Bi-wire capable
No
Connectivity
Wired

Physical

Dimensions, weight, placement

Recommended placement
Floor
Height
36.6 in 929 mm Checked against the maker's own sheet, Sep 2026 Source
Width
6.8 in 173 mm Checked against the maker's own sheet, Sep 2026 Source
Depth
11.7 in 297 mm Checked against the maker's own sheet, Sep 2026 Source
Weight
37 lb 16.8 kg
Colors
High-gloss piano black

Compared across 162 speakers

How it scored

Sound quality 8.5
Bass response 8.9
Midrange clarity 7.2
Treble detail 8.5
Design 8.9
Value for money 8.6
8.4/10

Overall score, the average of the 6 aspects above.

Availability

Where to buy

The Martin Logan Motion 20 isn't sold new any more. The closest current model is the Martin Logan Motion Foundation F1.

Why this one: The Foundation series replaced the whole Motion tower lineup and F1 sits in the same compact 3-way slot.

5 year warrantyManufacturer coverage

We don't show live prices. This is our editorial price tier, last checked Mar 28, 2020. As an Amazon Associate, HiFi Specs earns from qualifying purchases. Our scores and reviews are never influenced by affiliate partners.

8.4/10 Martin Logan Motion 20 Check the Martin Logan Motion Foundation F1