Superlux HD-681

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Superlux HD-681

Superlux

HD-681

4.9 Expert Rating

Product Info

Article Number: 218865
Brand: Superlux
Model: HD-681
Price: $27.39

* Prices may vary. Check retailer for current pricing and availability.

These Superlux HD-681s are a seriously impressive value for anyone needing a decent studio reference pair without spending a fortune. The clarity and detail you get are remarkable for their price point, making them ideal for budding producers, podcasters, or anyone needing a reliable, revealing closed-back option. Just be aware of the sound leakage – they're best for home or studio use.

Product Description

  • Superlux HD-681
  • Studio Headphones
  • Semi-open
  • Circumaural (full size)
  • Dynamic
  • Self-adjusting headband
  • Peak SPL: 98 dB
  • Impedance: 32 Ohm
  • Frequency Range: 10 - 30000 Hz
  • Maximum Power: 300 mW
  • THD 100 mW@1KHZ<1%
  • 2.5m Cable with 3.5 mm Stereo mini-jack
  • Weight (including cable): 278 g
  • Weight (excluding cable): 230 g
  • Including 6.3 mm mini-jack adapter and a bag
PROS
  • • Surprisingly detailed sound for the price; revealing for critical listening.
  • • Lightweight and comfortable for extended use, even with the self-adjusting headband.
  • • 32 Ohm impedance makes them easily driven by phones, laptops, and basic interfaces.
  • • Included 6.3mm adapter expands compatibility with studio gear and pro audio setups.
CONS
  • • Semi-open design leaks sound, making them unsuitable for quiet environments.
  • • Plastic build feels budget-oriented; longevity a potential concern.
  • • Soundstage is somewhat narrow; lacks the expansive feel of higher-end headphones.

Product Video

Key Features

Type Semi-open, Dynamic
Driver Size 40 mm
Impedance 32 Ohm
Frequency Range 10 - 30000 Hz
Sensitivity 98 dB
Cable 2.5m, 3.5 mm Stereo mini-jack with 6.3 mm adapter
Weight 278 g (including cable), 230 g (excluding cable)

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Frequently Asked Questions

The self-adjusting headband helps, but the lightweight plastic construction means they may not be as plush as more expensive options; comfort is generally good, though.
The HD-681 offers a more detailed and slightly more neutral sound signature than the M20x, but the M20x might have slightly better isolation.
Absolutely, the 32-ohm impedance means they'll be easily driven by most portable devices, though you'll sacrifice some of the detail intended for studio use.

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