Denon AH-MM400 Reference-Quality Over-Ear Headphones

Denon AH-MM400 Reference-Quality Over-Ear Headphones

Denon AH-MM400 Reference-Quality Over-Ear Headphones

B&H # DEAHMM400 MFR # AHMM400
Special Order
Expected availability: 7-14 business days

Product Highlights

  • 40mm Neodymium Drivers
  • Hand-Carved American Walnut Earcups
  • Oxygen-Free Copper Cables
  • Contemporary European Design
  • Balanced Tonal Quality
  • 10 to 40,000 Hz Frequency Response
  • Denon Audio App for iOS & Android
  • Includes Detachable OFC Remote Mic Cable
  • Includes Detachable OFC Audio Cable
  • Includes Carrying Pouch
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$399.00
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Denon AH-MM400 overview

  • 1Description

The Denon AH-MM400 Reference-Quality Over-Ear Headphones are designed for the serious listener and are part of the company's "Music Maniac" line of headphones. They are professionally tuned for the flattest response over the widest frequency range among the series. The over-ear design provides passive acoustic isolation without the need for active noise cancelation. They feature a contemporary European design that fuses classic styling with a modern touch. The hand-carved American Walnut earcup housings provide a natural tone and elegant looks.

The proprietary 40mm drivers feature the company's "Free Edge" technology along with carbon/paper composite blend diaphragms and neodymium magnets, as well as ceramic-like finished ellipsoid earcups with reinforced glass fiber to curb resonances while reducing weight and retaining rigidity. The earcup housings connect to the adjustable headband via aluminum alloy die-cast hangers with a resonance-free construction and high rigidity for maximum durability. This combination delivers a wide extended frequency response of 10 to 40,000 Hz into a 32 ohm impedance with a sensitivity of 96 dB/mW.

To preserve the fidelity of your signal, the headphones come with two detachable oxygen-free copper cables with gold-plated connectors, one of which includes a remote control for managing media and a microphone for making calls on your mobile device (iOS compatible). They also come with a carrying pouch and a 1/4" (6.3mm) plug adapter. To enhance your listening experience, you can download the Denon Audio Application for iOS or Android.

UPC: 883795003414
In the Box
Denon AH-MM400 Reference-Quality Over-Ear Headphones
  • Carrying Case
  • Detachable OFC Audio Cable
  • Detachable OFC Audio Cable with Remote and Microphone
  • 1/4" (6.3mm) Adapter
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Denon AH-MM400 specs

    Headphoneybdrtarqex
    Driver Size 1.6" / 40 mm
    Driver Type Dynamic
    Design Over-Ear (Circumaural)
    General
    Frequency Response 10 Hz to 40 kHz
    Sensitivity 96 dB
    Impedance 32 Ohms
    Maximum Power Handling 1000 mW
    Connectivity
    Audio Connector 1/8" (3.5 mm)
    Cable
    Physical
    Weight 10.9 oz / 310.0 g 
    Packaging Info
    Package Weight 2.45 lb
    Box Dimensions (LxWxH) 9.5 x 8.1 x 5.3"

    Denon AH-MM400 reviews

    AH-MM400 Reference-Quality Over-Ear Headphones is rated 5.0 out of 5 by 4.
    Rated 5 out of 5 by from Back to the future... As a previous owner of the AH-D600, I was looking forward to a set that was as good on the inside as it was on the out. These are those. I gave the 600s to my brother cuz, you know, they are BIG. These are just right. I have a big head and little ears... so the cups are not an issue for me. When I first received these (MM400s), I had the notion to hunt down another pair of 600s... as these are breaking in, that thought is leaving me rapidly. For travel, home, tube, solid state, etc. these are just fine.
    Date published: 2017-02-02
    Rated 5 out of 5 by from Impressive I did not expect this ... I am a headphone guy. I do own around 15 different pairs of headphones from OPPO PM-3, V-Moda M100, Fostex TH-600, Nighthawk, AKG K702 and many more and I really enjoy these portable headphone. I had really nice experiences with the old Denon series (AH-D2000/AH-D5000) but did not like the AH-d600 nor the AH-D7100 but I still took the chance to buy the MM400 and do not regret it at all. They are really balanced with little emphasis on the low notes but nothing too exagerated but it makes for really little to none fatigue even with long listening sessions. I know it might sound "cliché" but I really heard some whistles and bells that I did not hear from any other headphone that I have so their sense of details is pretty good. The folding mechanism is well done and I think that it will last for a long time. I did not really use it outside but it does a fairly good job at isolating surrounding unwanted noises. The clamping force is just ok for my taste, it does not squeeze my skull but they do not fall so easily. Even if I move my head really quick they do not fall nor move too much. There is not a lot of padding on the headband but just enough to make it comfortable and I did not feel any pressure after 2-3 hours wearing it. No need to bring a portable with you as they are easily powered by my IPhone 5s. On the other hand I did hear some little improvements when listening from my Fiio X5 but no "improvement" when used with my stack of Schiit. The only downside (for some people maybe but not me) is the size of the earcups that might be a little too small but other than that I am having trouble finding negative points.
    Date published: 2017-01-28
    Rated 5 out of 5 by from excellent Fantastic pair of headphones - way better the beats be dr.drye. I would recommend and worth the money
    Date published: 2016-05-19
    Rated 5 out of 5 by from Great pleasure, very confortable I went to a shop to test the Chord Mojo along with my Philips Fidelio L1 and my Fiio X5 3rd gen. and I quickly notice that I needed a better headphone. I asked for one and I received the AH-D7200 - nice sound but too heavy, too big and too expensive for me also I asked for a cheaper one and I received this AH-MM400. So light, so confortable, sound is very good also and I did not found so much difference in comparaison with to the other one, specially regarding the price difference. Since then, I use it every day at work and at home sometimes during long periods of time, it is connected to my Mojo, itself connected to a tablet running Tidal in Hifi mode and I have a lot of pleasure discorvering or re-discovering albums. I think also that the isolation is just at the perfect level. The cable with the remote control is just for ios and that I do not really understand why but as I use it connected to the Mojo dac I do not really care.
    Date published: 2018-09-06
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    Denon AH-MM400 Q&A

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