Garage
Shop

See all parts that fit your 2019 Flex

Master & Dynamic MH40 (Navy/Silver)

Foldable Over-Ear Headphone (Navy/Silver)

Product videos
highlight-star-icon

• Color: Blue / Silver
• Heavy grain premium cowhide on headband exterior surface and earcup
• Stainless steel components in all high strain areas
• 45mm Neodymium High-Performance Drivers
• Forged Aluminum Body Built for decades of use
• Heavy duty woven cables oxygen-free copper

Learn more about the mh40s4

We apologize

This item has been discontinued

NVX - Worth the Envy - Direct to Consumer Car Audio

Loading...
72-5601 main

Metra 72-5601

Install New Speakers in select 1998-2024 vehicles from Ford, Lincoln, Mercury

7
-10.01%

$8.99

List price $9.99

SA68 main

Scosche SA68

Add 5-1/4" or 6-1/2" Speakers to Factory 6" x 8" Mounting Locations for select 1950-2025 vehicles from Ford, Mercury, Mazda

39
-46.70%

$7.99

List price $14.99

P1683 main

Rockford Fosgate Punch P1 P1683

260W Peak (130W RMS) 6x8" Punch Series 3 Way Coaxial 4-ohm Speakers

85
FRING68 main

NVX FRING68

Universal 6x8" or 5x7" Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 2)

12
-46.68%

$15.99

List price $29.99

51KSC3504 main

Kicker KSC35 (51KSC3504)

200W Peak (100W RMS) 3.5" KS Series 2 Way Coaxial 4-ohm Speakers

4
-11.11%

$79.99

List price $89.99

51KSS6804 main

Kicker KSS68 (51KSS6804)

500W Peak (250 RMS) 6x8" KS-Series 2-way 4-ohm Component Speaker System (KSS6804)

-10.71%

$249.99

List price $279.99

R1T-S main

Rockford Fosgate PRIME R1T-S

160W Peak (80W RMS) 1" PRIME Series Mylar Balanced Dome Car Tweeters

34

JBL SHOCK WAVE 150W65 (JBLSPKSW150W65)

600W Peak (300W RMS) 6.5" Shock Wave Series 4-ohm Midrange Speakers

5
-7.70%

$119.95

List price $129.95

Product Highlights


• Color: Blue / Silver
• Heavy grain premium cowhide on headband exterior surface and earcup
• Stainless steel components in all high strain areas
• 45mm Neodymium High-Performance Drivers
• Forged Aluminum Body Built for decades of use
• Heavy duty woven cables oxygen-free copper

Description


MH40S4 Premium Over-Ear Headphones

The Master & Dynamic MH40S4 Foldable On-Ear Headphone Offer an Incredible Listening Experience

The navy/silver MH40S4 Foldable On-Ear Headphone from Master & Dynamic features a 45 mm neodymium high-performance driver. It is constructed with heavy-grain premium cowhide on the headband exterior surface and earcup insets, and soft lambskin on the headband interior and earpads. Designed for mobile use, it features stainless-steel components in all its high-strain areas.

The Master & Dynamic MH40S4 Foldable On-Ear Headphone Offer an Incredible Listening Experience

The remote and mic are supported only by iPhone 3GS or later, iPad, iPod touch (2nd generation or later), iPod classic (120GB, 160GB), and iPod nano (4th generation or later), remote alone supported by iPod shuffle (3rd generation or later); audio supported by all iPad and iPod models.

The Master & Dynamic MH40S4 Foldable On-Ear Headphone Offer an Incredible Listening Experience
The Master & Dynamic MH40S4 Foldable On-Ear Headphone Offer an Incredible Listening Experience

The Modern Thinking Cap

Designed for decades of use, our headphones are built with only the finest materials and tuned to provide a rich, warm sound.



General Features:

  • Master & Dynamic MH40S4 Foldable Over-Ear Headphone (Navy/Silver)
  • Heavy grain premium cowhide on headband exterior surface and earcup insets, soft lambskin on headband interior and ear pads
  • Stainless steel components in all high strain areas
  • 45mm Neodymium High-Performance Drivers
  • Forged Aluminum Body Built for decades of use
  • Heavy duty woven cables oxygen-free copper to ensure pure sound and reduced noise
  • Metal mute button easily accessible: press to mute; press again to unmute
  • Color: Blue/Silver
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Product Specifications:

  • Model: MH40
  • Drivers: 45mm Neodymium
  • Impedance: 32 ohm
  • Weight: 360g
  • Materials: Cowhide x lambskin leather, stainless steel, aluminum, detachable woven cable
  • Cable: Detachable
    • 1.25m Cable with Remote and Mic
    • 2.00m Standard Cable
  • Headphone Connection: Dual 3.5mm standard jack
  • Ear Coupling: Circum-aural

What's in the Box?

  • Master & Dynamic MH40S4 Foldable Over-Ear Headphone (Navy/Silver)
  • 3.5/6.3 mm Gold-Plated Adapter
  • 1.25 m Cable with Remote & Mic (iPod, iPad, & iPhone)
  • 2.00 m Standard Cable
  • Canvas Headphone Case
  • Leather Cable Box

Loading...
REF507CF_2_MET-825601_2 main

2 Infinity REF507CF (INFSPKRF507CFUS) w/ Adapter Plates

390W Peak (130W RMS) 5.25" Reference Series 2-way 3-ohm Component Speaker System with Speaker Adapter Plates

3
-12.14%

$477.88

List price $543.88

Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

124
-33.36%

$79.96

List price $119.99

DMH-1800NEX main

Pioneer DMH-1800NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready

3
-19.05%

$339.99

List price $420.00

UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth

44
-16.69%

$149.95

List price $180.00

Limited time!
Club 622 main

JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

5
-28.58%

$99.95

List price $139.95

CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3
43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

28
-10.53%

$84.99

List price $94.99

Limited time!
DMH-W3050NEX main

Pioneer DMH-W3050NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in Alexa (Sirius XM Ready)

1
-24.20%

$469.99

List price $620.00

DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

12
-9.16%

$109.00

List price $119.99

Club 322F main

JBL Club 322F (SPKCB322FAM)

150W Peak (50W RMS) 3.5" Club Series 2 Way Coaxial 3-ohm Speakers

1
-27.29%

$79.95

List price $109.95

Specifications & Details


Headphone Design
Headphone Type
Enclosed-Ear
Headband Type
Over the Head
Specifically For
Home/Portable
Headphone Application
Home Hi-Fi
Home/Office
TV & Movie
Acoustic Principle
Closed
General Features
Noise-Canceling
No
Device Controls & Compatibility
Apple 3 Button (Volume, Track Up/Down, Play/Pause)
Built-In Microphone
Yes
Equalizer/Tunable
No
Headphone Connection
Corded
Volume Adjustment
Yes
Jack Angle
Straight Jack
Included Adapters
1/4" Adapter
Detachable Cable
Yes
Color Shades
Blue
Silver/Gray
Material
Metal
Ear Cushion/Earbud Material
Leather
Replaceable Ear Cushions
Yes
Protective Case
Softshell Case
Water Resistant
No
Child Safe
No
Foldable
Yes
Audio Features
Driver Type
Dynamic
Impedance
32 ohm
Audiophile
Yes
Built-in Amplifier
No
Amplifier Recommended
No
Pass Throughs
No
What is in the box?
Paperwork
User manual
Warranty/Registration card
Main Product
Master & Dynamic MH40 S4
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

MH40S4

Weight:

2.80lbs

Internal SKU:

mh40s4

Internal Product ID:

111825

Product and How-to Videos


  • Differences Between Headphone Acoustic Principles | Open, Closed, & Semi-Open
  • Headphones Based on Musical Preference | What Type of Listener Are You?

Customer Ratings & Reviews


Master & Dynamic MH40  (Navy/Silver) thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

Sort by:

Loading...

Diseño y elegantes.

Audífonos con un diseño vanguardistas que esperas cómpralos ya son los mejores

By Ra?l E on September 30, 2016




TL-RRG small

PAC TL-RRG

German Radio Removal Tool

$16.99

List price $21.00

SOLOS10PORTSQ small

Kicker Single 10" Square-Ported MDF Enclosure

$39.99

List price $99.99

Sound BlasterX H5 small

Creative Sound BlasterX H5

Professional Analog Gaming Headset

$60.00

List price $126.80

HD 429 small

Sennheiser HD 429 (HD429) Over-Ear Closed-Back Headphones

Over-Ear Professional Closed-Back Headphones

(29)

$44.99

List price $79.95

PUBC40 small

Planet Audio Bluetooth Controller PUBC40

Universal Bluetooth Controller for Powersports and Marine Applications

$48.99

List price $0.00

FILM-2-SD-SH small

ION FILM 2 SD SH

35mm-Slide Holders for FILM 2 SD

$19.99

List price $0.00

SHB7000WT/28 small

Philips SHB7000 - White

Wireless Bluetooth Headphones Stereo Headset with Built-In Microphone & Rechargeable Battery

(6)

$38.69

List price $79.99

UTV65 small

Cerwin-Vega UTV65

600W Peak Dual 6.5" Bluetooth UTV Amplified Sound System

$179.99

List price $179.99

49L7X102RK small

Kicker 49L7X102RK

10" SoloX Series Dual 2-ohm Recone Kit for 49L7X102 Subwoofer

$219.99

List price $239.99

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2019 Ford Flex

2003 Mitsubishi Eclipse

2012 Mazda MX-5 Miata

2012 Ram 3500

2007 Ford Taurus

2012 Toyota RAV4

2011 BMW 740i

2008 Audi A3 Quattro

2016 Subaru Forester

2006 Dodge Stratus

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.