Product Description


Superlux HD665 Low-Frequency Isolation Monitor Headphones

HD665 professional studio monitor headphones, with optimized low-frequency response and high-resolution in the treble, designed mainly for drummers and bass guitarists. Provides excellent noise isolation and external sound reduction. The self-adjusting head pad and ear cover pad provide optimum comfort and are ideal for live performance and music recording.

The Tech Features

Brand: Superlux

Model: HD665


  • Impressive sound and noise margin
  • Optimized low frequency response and high resolution, in line with professional drum and bass player
  • Large diaphragm, high performance 40 mm speaker unit, showing high sound pressure and large dynamic sound
  • Advanced Enclosed Ear / Earmuffs designed to provide excellent noise isolation to protect hearing
  • Automatic adjustment of the headband and soft earmuffs, providing excellent comfort for long periods of time


  • Design: Circumaural, Closed
  • Sound attenuation of ambient noise: 30 dB
  • SPL: 102 dB
  • Impedance: 68 Ohms
  • Frequency range: 10/20000 Hz
  • Rated power: 200 mW
  • Detachable Cable
  • Weight with cable: 428 g
  • Weight without cable: 372 g
  • Colour: Black
  • Includes: 3m Straight Detachable cable with 3.5mm Jack/Socket, Cable adapter to 6.3 mm stereo jack, cable clip and bag


Bargain Bin

Reviews (2)

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Just okay

By: on 29 April 2020
I didn't expect much and that's what i got ,Their just okay .

Artist Guitars Response
Hello Matt, I am so sorry to hear this. Please let us know if there is something we can help you regarding this experience.

Excellent headphones for a price

By: on 21 February 2018
Ok, setup: AK4497 DAC, Shiit Magni Uber headphone amp. Generally fairly faithful representation, good nuances, reasonably wide stage for closed cans. Sound fairly dark though, which is semi-expected, but certainly not for mastering. Excellent sound isolation, nice fit. Excellent quality, nice, sturdy, good cable. Could take one star off for a bit dipped mids and highs, but to be honest nothing to complain, really. These are good headphones, period. Excellent, given the price.

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