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Sennheiser HD 429 Headphones

Over-Ear Professional Closed-Back Headphones

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

Big sound, value and clean styling is what Sennheiser's HD 429 are all about. The HD 429 headphones are a fusion of attractive Sennheiser aesthetics with a powerful punchy, dynamic bass. With its closed circumaural design, you can expect efficient isolation of ambient noise making it friendly in all environments.

Sennheiser HD 429 (HD429) Over-Ear Closed-Back Headphones COMFORT AND DESIGN All-day audio pleasure

Modern and comfortable styling are paramount. Soft, Luxurious Velour Earpads and head band provide 5-Star Comfort for extended listening periods. The adjustable headband and pivoting ear cups insure a comfortable fit for all head shapes and sizes. In addition, their special single-sided cable, eliminates tangling, ensuring comfort and usability. The HD 429 is an ideal companion for your all-day audio pleasures.

Sennheiser HD 429 (HD429) Over-Ear Closed-Back Headphones DEVICES SOUND BETTER Clear Highs, Punchy Lows

The HD 429's Low impedance of 32 Ohms makes them perfect for smartphones, ipods, notebooks, laptops and other portable music devices. They improve the sound of every source—from smartphones to MP3 players—by reducing the audio workload on your device.

General Features:

Product Specifications:

  • Frequency Response: 18-22,000 Hz
  • Sensitivity: 110 dB
  • Nominal Impedance: 32 Ohms
  • Driver Size: 40 mm
  • Cable Detachable: No
  • Cord Length: 4-1/2 ft. (1.4m)
  • Plug Size: 3.5mm gold / 6.3 mm gold adapter
  • Plug Type: Gold plated
  • Driver Type: Neodymium
  • Transducer principle: Dynamic, closed

What's in the Box:

Sennheiser HD 429 (HD429)
  1. Sennheiser HD 429
  2. 3 Meter OFC Cable
  3. 6.3mm to 3.5mm Adapter
  4. Owners Manual
  5. Authorized 2-Year Warranty


Second Depth
The second depth is used only when the box is slanted or angled. This value is the top measurement and it is measured in inches.
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
The height of the item, measured from top to bottom, in inches.
The width of the item from left to right (side-to-side) measured in inches.
Color of handle.

Warranty and Return Policy

Parts Warranty Duration
90 days
Labor Warranty Duration
90 days
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
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1 Star

Average Attribution Rating

Browse 4 questions and 16 answers
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Why did you choose this?
Sonic Electronix Store
I have several other Sennheiser headphones and have liked them all. Their low priced headphones still have great sound. Buying these for my daughter to use with her keyboard.
R Kevin R on Nov 8, 2015
Good reviews, great name. Sennheiser has always stood for great quality
Thomas C on Jul 29, 2015
Sennheiser quality and the price. Has great reviews.
Randall M on Jul 29, 2015
It seemed like a good product and a good value based on the comments of other people who had purchased this product.
Willie C on Jul 4, 2015
these are absolutely new earphones?
Jeffry on Jun 24, 2015
Best Answer: Hello Jeffry,

We aren't eBay or a random 3rd Party retailer; we are an Authorized Sennheiser Dealer. There is no need to ask if the products are new, because the manufacture sends them straight to us =] . Unless the description Specifically indicates otherwise, all products are new.
Reply · Report · Rick MStaff on Jun 24, 2015
· Add Answer · I Have This Question Too (0)
are these headphones bluetooth? They say bluetooth but they look corded?
A shopper on Feb 11, 2015
Best Answer: No, theyre wired, the cord is like 6 feet long.
Reply · Report · Melanie O on Feb 24, 2015
· Add Answer · I Have This Question Too (0)
What is the difference in closed-back; open-backed; etc?
A shopper on Oct 24, 2015
· Add Answer · I Have This Question Too (0)

Product Summary


Model Number

HD 429



Internal SKU


Internal Product ID


Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Sennheiser HD 429 Headphones