Klipsch HD Theater 600 vs MartinLogan Dynamo 700w

Last updated: September 16, 2026

Short answer: the MartinLogan Dynamo 700w for better sound quality, the Klipsch HD Theater 600 for the lower price. The MartinLogan Dynamo 700w ranks #19 of 48 subwoofers, rated 3.4/5, at $999. The Klipsch HD Theater 600 ranks #25, rated 3.3/5, at $399, $600 cheaper.

Klipsch HD Theater 600 vs MartinLogan Dynamo 700w

Buy the Klipsch HD Theater 600 if the price matters more than sound quality. Buy the MartinLogan Dynamo 700w if sound quality matters more than the price.

Still deciding? The full Subwoofers rankings cover every ranked option.

Specifications Side By Side

Klipsch HD Theater 600 MartinLogan Dynamo 700w
Price$399$999
Ranked#25 of 48 in Small Home Subwoofers (Under 30 lbs)#19 of 48 in Small Home Subwoofers (Under 30 lbs)
Enclosureported, rearsealed
Output SPL at 25 Hz87.1 dB88.4 dB
Output SPL at 31.5 Hz98.4 dB94.6 dB
Output SPL at 40 Hz104.9 dB106.3 dB
Output SPL at 50 Hz107.6 dB110.3 dB
Output SPL at 63 Hz112.1 dB110.5 dB
CEA-2010-A Average (40-80Hz)108.2 dB (avg of 3/4 bands)109.0 dB (avg of 3/4 bands)
Dimensions13.9"H x 12.5"W x 12.5"D (353.1 x 317.5 x 317.5 mm)12.5"H x 11.7"W x 12.5"D (318.5 x 296.9 x 318.3 mm)
CountryUnited StatesUnited States
Measurement SourceBrent ButterworthBrent Butterworth
Weight17 lbs (7.7 kg)26.5 lbs (12.0 kg)
Drivers8" (203mm) driver10" (254mm) driver
Output SPL at 20 Hz-86.3 dB
Warranty-3

More worthwhile head-to-heads for MartinLogan Dynamo 700w:

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

Klipsch HD Theater 600: $399 eBay

Klipsch HD Theater 600 ranking card

Pros: Independent CEA-2010 testing records 108.2 dB (avg of 3/4 bands) through 40-80 Hz. The ported, rear enclosure with 8” (203mm) driver is a compact way to add useful midbass support to a modest system.

Cons: Without a published 20 Hz result, deep-bass capability is less certain than the midbass figure. The 353.1H x 317.5W x 317.5D mm cabinet and 7.7 kg mass still need careful placement and calibration.

Full Klipsch HD Theater 600 review and specifications →

CEA-2010-A Average (40-80Hz)108.2 dB (avg of 3/4 bands)
CountryUnited States
Dimensions13.9"H x 12.5"W x 12.5"D (353.1 x 317.5 x 317.5 mm)
Drivers8" (203mm) driver
Enclosureported, rear
Measurement SourceBrent Butterworth
Output SPL at 25 Hz87.1 dB
Output SPL at 31.5 Hz98.4 dB
Output SPL at 40 Hz104.9 dB
Output SPL at 50 Hz107.6 dB
Output SPL at 63 Hz112.1 dB
Weight17 lbs (7.7 kg)
Search eBay for Klipsch HD Theater 600 →

MartinLogan Dynamo 700w: $999 eBay

MartinLogan Dynamo 700w ranking card

Pros: Independent CEA-2010 testing records 86.3 dB at 20 Hz and 109.0 dB (avg of 3/4 bands) through 40-80 Hz. The sealed enclosure with 10” (254mm) driver delivers substantial upper-bass output for movie effects and music.

Cons: Deep-bass output is more limited than the strong 40-80 Hz result suggests, so it is not the right choice when the lowest movie effects are the priority. The 318.5H x 296.9W x 318.3D mm cabinet and 12.0 kg mass still require deliberate placement and calibration.

Full MartinLogan Dynamo 700w review and specifications →

CEA-2010-A Average (40-80Hz)109.0 dB (avg of 3/4 bands)
CountryUnited States
Dimensions12.5"H x 11.7"W x 12.5"D (318.5 x 296.9 x 318.3 mm)
Drivers10" (254mm) driver
Enclosuresealed
Measurement SourceBrent Butterworth
Output SPL at 20 Hz86.3 dB
Output SPL at 25 Hz88.4 dB
Output SPL at 31.5 Hz94.6 dB
Output SPL at 40 Hz106.3 dB
Output SPL at 50 Hz110.3 dB
Output SPL at 63 Hz110.5 dB
Warranty3
Weight26.5 lbs (12.0 kg)
Search eBay for MartinLogan Dynamo 700w →