Denon Music Maniac AH-MM300 On-Ear Headphones, 40mm Driver

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  • Ceramic finish glass fiber reinforced ellipsoid ear cups
  • 40mm carbon/paper composite diaphragms with free edge and neodymium magnets
  • Aluminum die-cast hangers
  • Oxygen free copper cables
  • Contemporary design

– AH-MM300

High Quality

On-Ear Headphone

Featuring light weight, elegant styling and the latest technologies, Denon’s AH-MM300 headphones are professionally tuned for a flat EQ to deliver the utmost musical fidelity that’s truly faithful to the original musical performance.

Ceramic Finish Glass

Fiber Reinforced Ellipsoid Earcups

Featuring a comfortable on-ear (supra-aural) design, the AH-MM300 is equipped with ellipsoid earcups constructed of glass fiber reinforced composite material that provides both light weight and high rigidity for resonance-free audio quality, and the ceramic finish provides an elegant look as well as resistance to scratches.

Aluminum Die-cast Hangers

The earcup housings connect to the lightweight adjustable headband via aluminum alloy die-cast hangers that feature resonance-free construction, along with high rigidity for maximum durability. The AH-MM300 also features collapsible earcups for storage in the supplied carrying pouch.

40mm Carbon/Paper Composite

Diaphragms with Free Edge and Neodymium Magnets

The AH-MM300 features proprietary 40mm drivers with advanced Carbon/Paper composite blend diaphragms and neodymium magnets along with Denon’s exclusive Free Edge technology, which dispenses with the traditional diaphragm surround suspension to deliver extended frequency response all the way up to 40 kHz.

Oxygen Free Copper cables

For the utmost audio fidelity, the AH-MM300 comes with 2 detachable audio cables, both featuring high purity Oxygen Free Copper (OFC) cable technology. One cable features a built-in microphone along with a remote control for volume, track selection and smartphone control. The other longer cable is provided for connection to other devices, and both cables feature gold-plated connectors.


Specs – AH-MM300

  • Weight / 195 gr
  • Driver diameter / 40 mm
  • Driver type / Dynamic (Carbon/paper diaphragm + Free Edge)
  • Impedance / 32 ohm
  • Sensitivity / 96 dB/mW
  • Maximum power input / 1000mW
  • Frequency response / 10-40,000 (Hz)


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