Kef KC62 vs MartinLogan Dynamo 1600X

Last updated: September 19, 2026

Short answer: the MartinLogan Dynamo 1600X for output and depth, the Kef KC62 for a compact sealed cabinet. The Dynamo 1600X pairs a sealed 15-inch driver with 900W RMS and 1800W peak for forceful, clean, tight low bass and 121.5 dB mid-range output, but its room integration needs attention and it costs $1606.77. The KC62 counters with dual 6.5-inch force-canceling drivers and 1000W in an ultra-compact basketball-sized sealed enclosure.

Kef KC62 vs MartinLogan Dynamo 1600X

On the Kef KC62 side: Dual 6.5-inch force-canceling drivers with 1000W in ultra-compact basketball-sized sealed enclosure.

The case for the MartinLogan Dynamo 1600X: Sealed 15-inch with 900W RMS, 1800W peak delivers forceful clean tight low bass. The tradeoff: Ported design room integration needs, mid-range 121.5 dB output, and $1,607 price.

Buy the MartinLogan Dynamo 1600X. It is rated higher for sound quality than the Kef KC62 and costs less, so the other one has nothing left to offer.

Looking for alternatives? See the complete Subwoofers rankings.

Buy the Kef KC62 at Amazon ($1,699.99) →

Specifications Side By Side

Kef KC62 MartinLogan Dynamo 1600X
Price$1,699.99$1,606.77
Ranked#145 of 145 in Medium Home Subwoofers (30-75 lbs)#2 of 145 in Medium Home Subwoofers (30-75 lbs)
Enclosuresealedsealed
Output SPL at 20 Hz80.0 dB99.4 dB
Output SPL at 25 Hz84.6 dB103.9 dB
Output SPL at 31.5 Hz88.5 dB111.7 dB
Output SPL at 40 Hz92.2 dB118.4 dB
Output SPL at 50 Hz95.1 dB121.0 dB
Output SPL at 63 Hz97.7 dB121.8 dB
Output SPL at 80 Hz102.6 dB121.0 dB
Output SPL at 100 Hz104.2 dB120.2 dB
CEA-2010-A Average (40-80Hz)96.9 dB120.5 dB
Dimensions9.7"H x 10.1"W x 9.8"D (245.9 x 255.8 x 247.9 mm)20.1"H x 17.9"W x 19.1"D (510.5 x 454.7 x 485.1 mm)
Weight30.9 lbs (14.0 kg)56 lbs (25.4 kg)
Warranty5/2/53
Cabinet Colorblack, whiteblack
CountryUnited KingdomUnited States
Measurement SourceErinsAudioCornerAudioholics
Amplifier Power1000W RMS900W RMS / 1800W peak
Frequency Response11-200Hz20-200Hz, ±3dB
Drivers2x 6.5" (165mm) driver15" (381mm) driver
Output SPL at 15 Hz-86.2 dB
Output SPL at 125 Hz-119.0 dB
Inputs-RCA (stereo and LFE), XLR (LFE), speaker-level (banana)
XLR Input-Yes
RCA Input-Yes
TRS Input-No
Optical Input-No
Coaxial Input-No
USB Input-No
HDMI Input-No
AES Input-No
Aux Input-No
Buy the Kef KC62 at Amazon ($1,699.99) →

How MartinLogan Dynamo 1600X compares with other leading options:

Prices on this page were last checked September 23, 2026 at 11:24 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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The Two Speakers In Full

Kef KC62: $1,699.99 Amazon eBay

Kef KC62 ranking card

Pros: Dual 6.5-inch force-canceling drivers with 1000W in ultra-compact basketball-sized sealed enclosure. Deep extension to 11Hz with five room placement EQ presets. Elegant design fits any décor.

Full Kef KC62 review and specifications →

Amplifier Power1000W RMS
CEA-2010-A Average (40-80Hz)96.9 dB
Cabinet Colorblack, white
CountryUnited Kingdom
Dimensions9.7"H x 10.1"W x 9.8"D (245.9 x 255.8 x 247.9 mm)
Drivers2x 6.5" (165mm) driver
Enclosuresealed
Frequency Response11-200Hz
Measurement SourceErinsAudioCorner
Output SPL at 20 Hz80.0 dB
Output SPL at 25 Hz84.6 dB
Output SPL at 31.5 Hz88.5 dB
Output SPL at 40 Hz92.2 dB
Output SPL at 50 Hz95.1 dB
Output SPL at 63 Hz97.7 dB
Output SPL at 80 Hz102.6 dB
Output SPL at 100 Hz104.2 dB
Warranty5/2/5
Weight30.9 lbs (14.0 kg)
Check current price at Amazon ($1,699.99) →Search eBay for Kef KC62 →

MartinLogan Dynamo 1600X: $1,606.77 eBay

MartinLogan Dynamo 1600X ranking card

Pros: Sealed 15-inch with 900W RMS, 1800W peak delivers forceful clean tight low bass. Easily configurable as forward-firing or down-firing. Smartphone app with Anthem Room Correction (ARC) optimizes bass across room. Wireless capable with optional SWT-X module.

Cons: Ported design room integration needs, mid-range 121.5 dB output, and $1607 price.

Full MartinLogan Dynamo 1600X review and specifications →

AES InputNo
Amplifier Power900W RMS / 1800W peak
Aux InputNo
CEA-2010-A Average (40-80Hz)120.5 dB
Cabinet Colorblack
Coaxial InputNo
CountryUnited States
Dimensions20.1"H x 17.9"W x 19.1"D (510.5 x 454.7 x 485.1 mm)
Drivers15" (381mm) driver
Enclosuresealed
Frequency Response20-200Hz, ±3dB
HDMI InputNo
InputsRCA (stereo and LFE), XLR (LFE), speaker-level (banana)
Measurement SourceAudioholics
Optical InputNo
Output SPL at 15 Hz86.2 dB
Output SPL at 20 Hz99.4 dB
Output SPL at 25 Hz103.9 dB
Output SPL at 31.5 Hz111.7 dB
Output SPL at 40 Hz118.4 dB
Output SPL at 50 Hz121.0 dB
Output SPL at 63 Hz121.8 dB
Output SPL at 80 Hz121.0 dB
Output SPL at 100 Hz120.2 dB
Output SPL at 125 Hz119.0 dB
RCA InputYes
TRS InputNo
USB InputNo
Warranty3
Weight56 lbs (25.4 kg)
XLR InputYes
Search eBay for MartinLogan Dynamo 1600X →