HiFi SPECS

A/B comparison · Speakers

Audio Pro Addon T20 vs Martin Logan Motion 15i

Specs from both manufacturer datasheets Updated Jan 1, 2024 Scored with 10 + 7 Amazon reviews

Audio Pro Addon T20 vs Martin Logan Motion 15i in brief

  • Spec rows: Audio Pro Addon T20 wins 0, Martin Logan Motion 15i wins 1, 8 tied or not compared, of 9 rows.
  • Our scores: Audio Pro Addon T20 8.2/10, Martin Logan Motion 15i 9.0/10.
  • Audio Pro Addon T20 wins: design (9.2 vs 9.1).
  • Martin Logan Motion 15i wins: sound quality (9.2 vs 8), bass response (8.6 vs 7.8), midrange clarity (8.9 vs 7), treble detail (9.5 vs 8.5), value for money (9 vs 8.7).
  • Who should buy which: Pick the Audio Pro Addon T20 for design. Pick the Martin Logan Motion 15i if sound quality, bass response, midrange clarity, treble detail and value for money matter most.
CH A Audio Pro Addon T20

Audio Pro Addon T20

Channel A · Floorstanding (Tower) · 2018
VS
CH B Martin Logan Motion 15i

Martin Logan Motion 15i

Channel B · Bookshelf · 2019
Audio Pro Addon T20 Martin Logan Motion 15i
20 Hz 100 1k 10k 20k
8.2/10Audio Pro 9.0/10Martin Logan

Rows won, of 9 compared Audio Pro 0 · Martin Logan 1 · 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 0.75" Tweeter Drivers 1x 1" Tweeter + 1x 5.25" Mid-woofer
32 Hz to 25 Hz Frequency responseReference not published 60 Hz to 25 kHz ±3 dB
Ported (Bass Reflex) Enclosure Ported (Bass Reflex)

Power, electrical, physical

Not published Sensitivity 92 dB 2.83 V/1 m
Not published Impedance 5 Ω
120 W Amp range 20 to 200 W
832 mm · 38.9 lb Height · weight 290 mm · 26.5 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.

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From our reviews

How it scored, paired

6 aspects, two channels

Audio Pro Addon T20 Martin Logan Motion 15i
Sound quality 8.0 9.2
Bass response 7.8 8.6
Midrange clarity 7.0 8.9
Treble detail 8.5 9.5
Design 9.2 9.1
Value for money 8.7 9.0

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

Availability

Where they stand on price

Audio Pro Addon T20

The Audio Pro Addon T20 isn't sold new any more.

Availability last checked Jan 1, 2024
Martin Logan Motion 15i
Availability last checked Jan 1, 2024

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.