Online Orders


Shipping, Returns & Warranty

  • What is your shipping policy?
    We offer complimentary two-day express shipping, with the exception of our wireless speaker, which ships via standard shipping. Orders placed Mon-Fri by 1pm EST are shipped the same day. If you would like your purchase shipped overnight, please select this option during checkout. An additional fee will be added to your purchase total.
  • When and how will I receive my shipment tracking information?
    We will email you the tracking information for your shipment once your order leaves our warehouse.
  • What is your return policy?
    All products purchased from our website, except for our wireless speaker, may be returned within 14 days of purchase for a full refund, no questions asked. For our wireless speaker, it may be returned within 30 days of purchase for a full refund. To initiate such a return please contact us at Please include your product’s serial number and full return shipping address in your message to us, and we will issue a returns authorization and send you a prepaid shipping label for return shipment in the original Master & Dynamic packaging. To return the speaker, Master & Dynamic will provide specific packing instructions as well as new packaging should the original packaging no longer be available. This returns policy is also valid for our accessories products, with the restriction that ear pads and cables purchased as accessories can only be returned if they have not been used. Products purchased from one of our authorized resellers will follow the reseller’s returns policy. Master & Dynamic does not accept returns or exchanges of Master & Dynamic products purchased from other retailers. Furthermore, we do not accept returns or deliveries without a valid returns authorization from our customer service desk at If you purchased a limited time Master & Dynamic x Audible offer, please note all items included in the bundle must be returned for your refund to be processed and any Audible download relating to this offer will be cancelled.
  • How long does the return process take?
    Refund is paid within 5 business days of our receiving and approving your returned item. Refunds are in the form of original payment. We do not refund overnight shipping.
  • Do you ship internationally?
    We currently ship to the United States, Canada, United Kingdom, and Europe. To change regions, simply click on the region icon near the Cart on the top right corner of the website and select from the list of shipping destinations. We will continue to launch shipping to other regions. For updates, subscribe to our email list or follow us on Twitter (@MasterDynamic).
  • Do you offer repairs for your products?
    Master & Dynamic is committed to supporting our products and customers beyond the initial warranty period. Our service department can provide solutions for most headphone issues, including regular wear and tear, user error, and battery replacement, at a reasonable cost. Please contact our service department with a description of your product and issue so we can estimate the requirements to restore your headphone to top condition.
  • How are replacement parts shipped?
    Replacement Parts ship complimentary UPS Ground, or equivalent services in the other regions.
  • What is my product’s warranty policy?
    We guarantee our products against defects in materials or workmanship for a period of two years from the date of original purchase on our website or from an authorized Master & Dynamic retailer or reseller. If you believe your product is defective within the warranty period, please contact us at Please include your product’s serial number, proof of purchase, telephone number and full return shipping address in your message to us. Once your warranty is verified, you will be issued a return authorization and instructions for a return shipment. Please read our Warranty Policy for more details and exceptions.

Personal Account

  • Why should I create a personal account?
    Creating an account allows you to store your shipping information, review your order history, and view your product’s warranty information.
  • Do I need to create an account to place an order?
    You do not need an account to place an order, although we do recommend it. Creating an account allows you to view order history, warranty information, and sign up for our newsletter.
  • Do you store my credit card information?
    Your order history and shipping address are the only two things we store in your account. Your credit card information will not be stored.
  • How do I reset my password?
    You can request a new password, by clicking here and selecting “I Forgot My Password” where you will be prompted to enter your email. You will receive an email with a link to reset your password.
  • Why should I register my product?
    Registering your product will allow us to serve you more quickly and efficiently by having your product verification information in advance.

Product Support



  • Cleaning / Storage
    We use top quality lambskin leather on our headphones. The ear pad is connected to the headphone via magnets. To remove, gently pull the earpad off the headphone. To clean your ear pads, simply use a quality leather cleaning solution. When not in use, keep your headphones in the provided carrying case to protect them from dirt and other substances.
  • How does my remote work?
    The inline remote has been designed to work with all Apple products running iOS. Some remote functionality may not work with Android, Blackberry, or Windows devices.
  • Hearing Health Guidelines
    The NIDCO (National Institute of Deafness and Other Communication Disorders) offers this simple rule of thumb to prevent Noise Induced Hearing Loss (NIHL): avoid sound exposure that is “too loud, too close, or too long.” Here are some general references to sound levels that occur in everyday life: refrigerator humming (45 dB); normal conversation (60 dB); city traffic (85 dB); motorcycles (95 dB); an MP3 player at full volume (105 dB); sirens (120 dB); firecrackers (150 dB). Damage to your hearing ability could happen in a single event or gradually over time. One- time exposure to sounds louder than 110 decibels and extended exposure to sounds over 85 decibels should at all times be avoided. Indicators of NIHL include hearing loss and tinnitus—a constant ringing, buzzing or roaring in the ears.
  • Sound Isolation vs Noise Cancellation
    Sound isolation is a passive, physical method of reducing external noise that uses optimized materials and designs to reduce the ambient noise that enters through your headphones. Noise cancellation is an active, electronic method of reducing unwanted ambient sound that adds processed sound to your audio to reduce the perception of ambient noise. Our current headphones achieve very high ambient noise reduction through passive sound isolation techniques, particularly our MW60 and MH40 models with their over-ear design.
  • View Technical Specifications
    Download pdfs here:

Product Specification Charts


Fill MW60 MW50 MH40 MH30
Driver Size 45mm 40mm 45mm 40mm
Driver Diaphragm Engineered Polymer Beryllium Engineered Polymer Engineered Polymer
Driver Motor Material Neodymium Neodymium Neodymium Neodymium
Weight 345g 240g 360g 260g
Impedence 32 ohms 32 ohms 32 ohms 32 ohms
Dimensions 200mm x 185mm x 50mm 190mm x 175mm x 60mm 200mm x 185mm x 50mm 195mm x 190mm x 40mm
Body Aluminum Aluminum Aluminum Aluminum
Frequency 5-25,000Hz 5-30,000Hz 5-25,000Hz 5-25,000Hz
Ear Coupling Circum-aural / Over-ear Supra-aural / On-ear Circum-aural / Over-ear Supra-aural / On-ear
Headphone Connection 3.5mm jack + micro USB port 3.5mm jack + micro USB-C port Dual 3.5mm input jack Dual 3.5mm input jack
Battery Life 16 Hours 16 Hours N/A N/A
Sensitivity Average 106 dB SPL at 1mW Average 106 dB SPL at 1mW Average 106 dB SPL at 1mW Average 106 dB SPL at 1mW
THD (distortion) Less than 0.1% @ 1mW for main audio range Less than 0.1% @ 1mW for main audio range Less than 0.1% @ 1mW for main audio range Less than 0.1% @ 1mW for main audio range


Fill ME05 ME03 ME01
Driver Size 8mm 8mm 8mm
Driver Diaphragm Titanium coated diaphragm Titanium coated diaphragm Titanium coated diaphragm
Driver Motor Material Neodymium magnet Neodymium magnet Neodymium magnet
Weight 21g 16g 16g
Impendence 16 ohms 16 ohms 16 ohms
Dimensions 21.5 mm x 11.8 mm 23 mm x 10 mm 23 mm x 10 mm
Body Brass Aluminum Aluminum
Ear Coupling In-ear monitor In-ear monitor In-ear monitor
Headphone Connection 3.5mm fixed plug 3.5mm fixed plug 3.5mm fixed plug
Sensitivity Average 105 dB SPL at 1mW Average 105 dB SPL at 1mW Average 105 dB SPL at 1mW
THD (distortion) Less than 0.2% @ 1mW for main audio range Less than 0.2% @ 1mW for main audio range Less than 0.2% @ 1mW for main audio range



Wireless Over-Ear Headphones

MW60 Manual PDF


Wireless On-Ear Headphones

MW50 Manual PDF


Over-Ear headphones

MH40 Manual PDF


On-Ear headphones

MH30 Manual PDF



ME05 Manual PDF



ME03 Manual PDF



ME01 Manual PDF



MP1000 Manual PDF


Boom Mic

MM800 Manual PDF


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