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Sennheiser HD 2.10

Ultra-slim on-ear headphones

Item # 143HD210

California customers:
Please click here for your Proposition 65 warning.

Discontinued item

Item # 143HD210

About the Sennheiser HD 2.10

Back to the basics

I get to see all types of headphones, loaded with the latest and greatest features — but I still get a kick out of the simple pleasures. The lightweight Sennheiser HD 2.10 headphones slip on your ears and fit like a classic pair of portable 'phones. And they basically have one job: deliver clear Sennheiser sound. Add a few modern twists like the sleek styling, emphasis on bass, and the foldable headband, and you've got a great value at the price.

Product highlights:

  • streamlined, closed-back headphones
  • sound tuned for clarity and stronger bass
  • compact, folding design
  • durable headband and thin, leatherette earpads
  • 55-inch flat cable with miniplug
  • frequency response: 18-18,000 Hz
  • sensitivity: 110 dB
  • impedance: 26 ohms
  • weight: 4 ounces
  • warranty: 2 year
  • Our 60-day money-back guarantee
  • MFR # 506715

What's in the box:

  • On-ear headphones (black) with attached 57" cable (right-angled 3.5mm plug)
  • Safety guide

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Crutchfield response

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More details on the Sennheiser HD 2.10

Mark G.

Features & specs

Fit Style On-ear
Earcup Type Closed
Earcup Width x Height 2.325" x 2.857"
Noise-canceling No
Bluetooth No
Mic For Taking Calls No
Voice Assistant Access
Amazon Alexa No
Google Assistant No
Siri No
3.5mm No
1/4" No
Lightning No
4.4mm balanced No
XLR4 balanced No
2.5mm No
Other None
Frequency Response 18-18k Hz
Sensitivity 110 dB
Impedance 26 Ohms
Weight 4 ounces
Cord Length 57"
Parts Warranty 2 Years
Labor Warranty 2 Years

Product Research


Overview: The Sennheiser HD 2.10 on-the-ear headphones are ultra lightweight and comfortable. This allows you to wear them for long periods of time without fatigue. When you're finished listening, the headphones can be folded together for easy storage. The headphones are ideal for listening to music on the go on your mobile device. The HD 2.10 comes with an attached 57" symmetrical cable.

Closed Design: The HD 2.10 headphones feature a closed design to isolate external noise. This allows you to enjoy listening in the quiet of your living room, or in the workplace. The headphones deliver powerful bass without overpowering the mids and highs. The adjustable headband and soft leatherette ear pads provide hours of comfort for extended listening.


  • Frequency Response: 18Hz - 18kHz
  • Impedance: 26Ω
  • Sound Pressure Level (1 kHz/1 Vrms): 110dB
  • THD (1 kHz/100dB): <0.5%
  • Weight: 4 ounces

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