Reasons to choose MartinLogan Motion 50XTi over MartinLogan Motion 15i
Max Input Power 300 watts vs 200 watts
Driver Setup 3-way vs 2-way
Sensitivity 94 dB vs 92 dB
Woofer Size 6.5 inches vs 5.25 inches
Number of Woofers 2 vs 1
Low Frequency Response 50 Hz vs 60 Hz
Bi-Amping and Bi-Wiring Yes vs No
Height 196mm vs 290mm

Reasons to choose MartinLogan Motion 15i over MartinLogan Motion 50XTi

Nominal Impedance 5 ohms vs 4 ohms
Base Surface Area 415cm2 vs 2030cm2
Price per pair* 900USD vs 1200USD
MartinLogan 50XTi vs MartinLogan 15i Specs Table
General MartinLogan Motion 50XTi MartinLogan Motion 15i
Brand MartinLogan MartinLogan
Speaker Type Center channel speaker Bookshelf speakers
Power Range 20-300 watts 20-200 watts
Sensitivity 94 dB 92 dB
Impedance 4 ohms 5 ohms
Frequency Response 50-25k Hz 60-25k Hz
Drivers
Woofer Quantity 2 1
Woofer Size 6.5" 5.25"
Woofer Composition Aluminum Aluminum
Woofer Surround Material Rubber Rubber
Tweeter Size 1.25 x 2.4" 1.0 x 1.4"
Tweeter Type Folded Motion XT Folded Motion
Aimable Tweeter No No
Midrange Driver No No
Crossover Frequency 900Hz and 2200Hz 2700Hz
Firing Direction rear rear
Suggested Break-in Period Allow 72 hours of break-in at 90 dB Allow 72 hours of break-in at 90 dB
Physical Specs
Height 196.0mm (7.7") 290.0mm (11.4")
Width 585.0mm (23") 173.0mm (6.8")
Depth 347.0mm (13.7") 240.0mm (9.4")
Weight 13.86kg (30.5lbs) 5.40kg (11.9lbs)
Enclosure Bass Reflex Bass Reflex
Finish MDF/Lacquer MDF/Lacquer
Available Colors Walnut Gloss Black, Matt White, Red Walnut
Mounting Bracket No No
Recommended Stand Height n/a 26-28"
Grille Yes Yes
Moisture Resistancy No No
Connections
Biamp Inputs Yes No
Other
Parts Warranty 5 Years 5 Years
Labor Warranty 5 Years 5 Years