MartinLogan - DYNAMO 8" 75W Powered Subwoofer - Satin Black
User rating, 4.9 out of 5 stars with 74 reviews.
4.9(74 Reviews)- 2 Answered Questions
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Description

Premium home theater.
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Learn moreFeatures
Integrated Class D amplifier
Supplies 75W RMS power for high volume levels and minimal distortion.
Volume control
Lets you match the subwoofer's output to the rest of your sound system.
Phase and frequency controls
Enable customizable setup.
Inputs
Include RCA audio line-in and speakers input to provide flexible connectivity options.
Bass reflex design
Delivers thunderous low-end sound.
30-200Hz frequency response
Delivers booming lows for an immersive soundscape.
What's Included
MartinLogan DYNAMO 8" 75W Powered Subwoofer
Manuals & Guides
- Product Datasheet/Brochure (PDF)
- User Manual (PDF)
Key Specs
- RMS Power75 watts
- Input(s)RCA, Speaker
- Woofer Size8 inches
General
- Product NameDYNAMO 8" 75W Powered Subwoofer
- BrandMartinLogan
- Model NumberDYN400D
- ColorSatin Black
- Color CategoryBlack
Included
- Integrated AmplifierYes
- Remote Control IncludedNo
- Cable(s) IncludedNone
Audio
- Minimum Frequency Response30 hertz
- Maximum Frequency Response200 kilohertz
- Amplifier ClassD
- Impedance8300 ohms
- Low-Pass CrossoverVariable
- High-Pass CrossoverVariable
- Enclosure TypeBass reflex
- Firing DirectionDown
- Subwoofer TypePowered
- EnclosedYes
- Peak Power Handling150 watts
- Speaker TypeFloorstanding
Feature
- Indoor Or Outdoor UseIndoor
- ControlsPower on/off, Volume, Phase, Cut frequency
Connectivity
- WirelessNo
Dimension
- Product Height15.2 inches
- Product Width13.3 inches
- Product Depth13.7 inches
- Product Weight28.4 pounds
Material
- Woofer CompositionPolypropylene cone
- Box Covering MaterialOther
Warranty
- Manufacturer's Warranty - Parts90 days
- Manufacturer's Warranty - Labor90 days
Other
- UPC810123023394
Customer reviews
Rating 4.9 out of 5 stars with 74 reviews
(74 customer reviews)Rating by feature
- Value4.7
Rating 4.7 out of 5 stars
- Quality4.8
Rating 4.8 out of 5 stars
- Ease of Use4.8
Rating 4.8 out of 5 stars
- Pros mentioned:Bass, Price, Set up
Rated 5 out of 5 stars
Nice Subwoofer for Entertainment Room
||Posted . Owned for 3 weeks when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Well priced subwoofer that compliments my Martin Logan speakers and fills in the base tones I was missing. Easy to set up and works well in my entertainment room. Received a free two year warranty with my Totaltech membership and received free installation by a technician so that we set it up to optimize the sound in the room
I would recommend this to a friend - Pros mentioned:Bass
Rated 5 out of 5 stars
Nice Little Sub
||Posted . Owned for 2 months when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Nice tight bass for smaller sub, and pairs beautifully with the Martin Logan Motion 4 speakers in a medium sized living room setting. I bought this with the understanding that I could exchange it for the 10" woofer version, but this gives me all the bass I could want. I listen to a range of music: rock, jazz, acoustic bluegrass, and classical, and I do like to feel the bottom end of bass in the mix. I doubt it would be adequate for hip hop or other styles with astronomical levels of bottom end.
I would recommend this to a friend Rated 5 out of 5 stars
you get what you pay for
||Posted .This reviewer received promo considerations or sweepstakes entry for writing a review.i had originally bought the 500....i loved the sound...it had issues...either a component problem or engineering flaw...returned it and got the new 400D....its perfect...it keeps getting better the longer i have it...deep bass, not muddy or distorted...its getting to the point where its overpowering these old pioneer speakers ive had for quite some time...perhaps there is a better sub for the price but not for me...actually i think my main room is probably too small for it...but i'm completely satisfied with the 400D... get it while you can
I would recommend this to a friendRated 5 out of 5 stars
Motion series
||Posted . Owned for 1 week when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Absolutely love this subwoofer and having two isn't two much. I owned a 12" Polk prior. I own a complete Martin Logan speaker system. I waited 2 years for any of the Martin Logan to go on sale. Great Magnolia room Tech support and advice.
I would recommend this to a friendRated 5 out of 5 stars
Good Subwoofer
||Posted . Owned for less than 1 week when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.not installed yet, will be installed on September 15, 2022 by Best Buy.
I would recommend this to a friendRated 5 out of 5 stars
Martin Logan is a good brand.
||Posted . Owned for less than 1 week when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.Martin Logan is a good top shelf brand name for home theater equipment. The base in addition to the other home theater system make sure movie experience Much better than you feel like you're right in the movie. I recommend this speaker to anyone it's definitely in my book, a 5 out of 5.
I would recommend this to a friendRated 5 out of 5 stars
Best subwoofer
||Posted .This reviewer received promo considerations or sweepstakes entry for writing a review.This subwoofer I purchased on Black Friday for $199. I didn't see any reviews and did not here it live in the store. I trusted Martin Logan and there quality. And the gamble paid off. These speakers are the best I heard and for only $199. Some subwoofers I listen to cost 5 times as much and don't sound as good as this. I would recommend this for both moves and music.
I would recommend this to a friendRated 5 out of 5 stars
Great subwoofer
||Posted . Owned for 1 month when reviewed.This reviewer received promo considerations or sweepstakes entry for writing a review.High quality subwoofer that will bring your theatre to life.
I would recommend this to a friend
Q: QuestionWill this work if i direct plug in with my studio monitors, or does it require martin logan speakers throughout? Thanks
Asked by Trev.
- A:Answer Hello. Thank you for your question and we appreciate your interest in our products. It all depends on how you would be connecting, however, our subwoofers are designed to work with other products besides our own using either speaker-level or rca line-level inputs. We hope this helps and thank you for your support.
Answered by Anonymous
Q: QuestionMartin Logan Motion Vision X Home Theater 5.1 Soundbar - Each I buy this I want to know if this work to get there thank you
Asked by Ab.
- A:Answer You won’t regret it if you make this purchase!
Answered by MelindaP
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