Sennheiser HD 800 Headphones w/ HIFIMAN HM-650 Digital Music Player

Open-Air Audiophile-grade Professional Stereo Headphones w/ High-Fidelity Portable Digital Music Player

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Audio Perfection Achieved

The flagship model from one of the premier headphone companies in the world, the Sennheiser HD800 is not your average headphone; the HD800's are among the finest headphones on the market today. Sennheiser has a well known history of pushing existing technology to its limits and pioneering new ideas. These award winning premium audiophile-grade open-back headphones were carefully designed to deliver incredibly realistic, natural sound that puts you right in the middle of your music. Perfectly balanced, the HD800's will blow you away with their high quality construction, design and sound.

HD800 Sound Quality New Dimension in Sound

When designing these reference class stereo headphones, Sennheiser challenged themselves with designing headphones capable of producing sound that is as natural as possible and true in every detail. The result of this challenge is truly something to behold. The HD800's feature unique 56mm transducers positioned at a slight angle to channel soundwaves directly into your ears to create an impressive authentic, spacial listening experience.

Hand Built in Germany Crafted for Perfection

No expense is spared for the HD800 headphones. More than 60 years of industry-leading headphone engineering and design went into the HD800 headphones. Each pair is hand-assembled at the Sennheiser headquarters in Germany using the finest materials available. The HD800's feature plush microfibre fabric earpads that both aid acoustics and provide phenominal wearing comfort and a durable stainless steel frame inspired by the aerospace industy.

Highest Quality Available Precision Engineered

With the HD800, Sennheiser took the time to revolutionize headphone design. Every piece of the HD800 headphones was painstakingly engineered for the finest listening experience possible. From the driver design to the the build of the frame, the vibration absorbing headband and even the specially designed OFC cable, no detail was left untouched. Once completed, each pair of HD800 headphones is quality tested before being shipped out to ensure every pair meets the high standards set by Sennheiser.

The Sennheiser HD 800s are going up on my "Wall of Fame" as one of the best reference headphones. They were the first headphone in my lab, and I can't see ever being without a pair.

- Tyll Hertsens, Inner Fidelity

Premium Sennheiser HD 800 Headphones


High-Fidelity Portable Digital Music Player
Quantity: 1

General Features:

  • High-Fidelity Portable Lossless Digital Music Player
  • WM8740 High Quality HIFI Decoder Chips
  • 14.8v power supply supports high quality sound
  • Balanced outputs
  • Taichi user interface for Rapid response
  • Step Potentiometer Volume Control
  • Expandable Design allows you to interchange different amplifier cards
  • Supported Music Formats:
    • MP3
    • WAV
    • FLAC
    • APE
    • Apple Loss less
  • Dimensions: 4.6"W x 2.8"D x 1.1"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Note: HiFiMAN products can only be shipped to customers in the United States

Sennheiser HD 800 (HD800)

Flagship Award Winning, Open-Air, Audiophile-grade, Hi-fi Professional Stereo Headphones 24-bit 192 kHz USB DAC and Headphone Amplifier for Mac and PC
Quantity: 1

General Features:

  • Wired HD Series Over-Ear Headphones
  • Innovative ear cup design delivers sound waves at a 45° angle
    • Provides the best ever simulation of spatial hearing
  • Largest ring radiator transducer in a production dynamic headphone
  • True sound reproduction in every detail
  • Open back ear cups reduce vibrations
  • Biggest coil (40mm) and magnet (42mm) yet
    • Delivers natural sound field
  • Special high precision headphone connectors
  • Circum-aural dynamic design
  • Patent pending vibration dampening headband chassis reduces unwanted resonances
    • Durable headband features metal construction with high quality plastic layers
  • Hand crafted ear pads made from high quality microfiber fabric
  • Premium Protective Case available and sold separately
  • Primary Color: Silver
  • Accent Colors: Black
  • Authorized Internet Dealer
  • 2 Year Manufacturer's Warranty

Product Specifications:

  • Driver Size: 56mm
  • Frequency Response: 6-51,000 Hz
  • Sensitivity: 102dB
  • Nominal Impedance: 300 Ohms
  • Total Harmonic Distortion: < 0.2%
  • Four Wire OFC Cable:
    • Detachable: Yes
    • Cord Length: 10 ft. (3m)
  • Plug Size: 6.3mm (1/4")

What's in the Box?

  • HD 800 Headphones
  • Four Wire OFC Detachable Cable
  • User Guide


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
1 year
Labor Warranty Duration
1 year
Warranty Provider

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Product Summary


Model Number

HD 800_HM-650



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 800 Headphones w/ HIFIMAN HM-650 Digital Music Player

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

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Sennheiser HD 800 Headphones w/ HIFIMAN HM-650 Digital Music Player

Open-Air Audiophile-grade Professional Stereo Headphones w/ High-Fidelity Portable Digital Music Player


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