Frequency Range 20hz – 20kHz-50mm Drivers-Ear-Cups that Swivel-Cushioned Ear-Pads-Adjustable Headband-1/8″ Stereo Plug-Includes 1/4″ Gold-Plated Adapter.

Key Features
  • Frequency Range 20hz – 20kHz
  • 50mm Drivers
  • Ear-Cups that Swivel
  • Cushioned Ear-Pads

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The HDP DJ M 40.1 Headphones by Hercules are a pair of closed-back circumaural headphones that feature 50mm drivers and a frequency response range of 20Hz – 20kHz.

The matte black headphones have an adjustable headband and robust hinges above the ear-cups. The ear-cups rotate 180 degrees and twist horizontally 90 degrees so that you can swivel them for single-ear monitoring. Both the headband and the ear-cups are cushioned for extended wear. The ear-pads cover the ear for audio isolation from ambient noise and seal the ear to prevent sound leakage.

Included, is a 1/4″ gold plated adapter, which screws on to the 1/8″ connector at the end of the cable. This adapter allows you to connect to audio devices that have a 1/4″ plug such as mixers, controllers, amps and more.

  • Frequency Range from 20Hz-20kHz
  • Frequency response for detailed listening.
  • 50mm Drivers
  • For a deep bass response.
  • Ear-Cups that Swivel
  • Rotate for one-ear monitoring and fold for transportation.
  • 1/4″ Gold Plated Adapter
  • Screws on to the 1/8″ connector at the end of the cable.

Audio playback

95 dB at 1 mW sensitivity
Audible frequency range: 20 Hz – 20 kHz

Drivers for DJ mixing

60 ohm impedance

Large aperture

1.97” / 50 mm driver diameter


6.5’ / 2 m cable
1/8” / 3.5 mm stereo mini-jack plug
1/4” / 6.35 mm stereo jack adapter


closed-back circumaural design

Single-wire cabling (wire attached to left ear-cup)

2 rotation axes

Earpieces: vertical rotation (180 degrees) for easy 1-ear monitoring

Earpiece supports: horizontal rotation (90 degrees) for folding and transport, and to direct the earpiece toward the user’s ear when headphones are worn around the neck


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    Hercules HDP DJ M 40.1 HEADPHONES
    1/8" (3.5 mm) to 1/4" (6.35 mm) Gold Plated Adapter