Denon AHC551, AHC351, AH-C751 User Manual
ew model information
Acoustic optimizer
Acoustic optimizer
Acoustic optimizer
N
AH-C751 / AH-C551 / AH-C351
In-Ear Headphones
To Those of You Who Yearn for Decent Sound Quality
You walk happily listening to the music you love. You are enveloped in the artist's world wherever and whenever you like. But, don't you sometimes wish the quality of the sound was better? The Denon AH-C751, AH-C551 and AH-C351 are inner ear headphones that faithfully reproduce the original sound with a quality that is always satisfying. These headphones feature an acoustic optimizer structure that ensures ideal
sound characteristics, and the canal-type design fits snuggly into your ears.
AH-C751
Black
AH-C751
Silver
Bullet points AH-C751
Machined aluminium housing and plug, to reproduce dynamic sound.
Acoustic opt imiz er structure, to bring out ideal
acoustic characteristics.
•Acoustic optimizer
Optimum acoustic characteris ti cs are achieved by
adjusting the sound pres sure balance in front of and
behind the diaphragm.
H-C551
A
Black
Bullet points AH-C551
Canal-type design, to bring the music directly into
your ear.
Acoustic opt imiz er structure, to bring out ideal
acoustic characteristics.
•Acoustic optimizer
Optimum acoustic characteristics are achieved by adjusting the sound pressure balance in front of and behind
the diaphragm.
AH-C351
Black
AH-C351
White
Bullet points AH-C351
Canal-type design, to bring the music directly into
your ear.
Acoustic opt imiz er structure, to bring out ideal
acoustic characteristics.
•Acoustic optimizer
Optimum acoustic characteristics are achieved by adjusting the sound pressure balance in front of and behind
the diaphragm.
• Highly rigid machined aluminium housing and
plug achieve dynamic sound playback.
• Equal cable lengths are used for left and right
channels to maximize sound quality.
• Canal-type inner ear headphones reduce ambient
noise and lets you enjoy the music more.
• Tangle-resistant cable is also easytostore.
• Gold-plated stereo mini jack
•Machined aluminum housing is used for optimum
sound quality and strength.
• Canal-type inner ear headphones reduce ambient
noise and lets you enjoy the music more.
• Tangle-resistant cable is alsoeasy to store.
• Gold-plated stereo mini jack
• Canal-type inner ear headphones reduce ambient
noise and lets you enjoy the music more.
• Tangle-resistant cable is also easy to store.
• Gold-plated stereo mini jack
Accessories AH-C751
Hard shell carrying case
•
Accessories AH-C551
• Hard shell carrying case
Accessories AH-C351
Carrying pouch
•
• 31" / 0.8m extension cable
• 31" / 0.8m extension cable
• 3 sizes of ear pads included provide custom fit
• 31" / 0.8m extension cable
• 3 sizes of ear pads included provide custom fit
• 3 sizes of ear pads included provide custom fit
Specifications
AH-C751
Type Dynamic type
Drive units ø 11 mm Neodymium magnet
Input impedance 16 Ω/ohms
Sensitivity 104 dB/mW
Maximum input 250 mW
Frequency response 12 - 24,000 Hz
Weight 6.6 g (not including cable)
Cable length
Plug ø3.5 mm gold-plated
Limited Warranty 1 year
*Design and specifications are subject to change without notice.
Denon Brand Company
D&M Building, 2-1 Nisshin-cho, Kawasaki-ku, Kawasaki-shi,
Kanagawa, 210-8569, Japan
www.denon.com
0.5m OFC Cable ø3.5mm Stereo mini-plug
(1.3m total cable length with 0.8m extension cable)
stereo mini plug
Specifications
AH-C551
Type Dynamic type
Drive units ø 11 mm Neodymium magnet
Input impedance 16 Ω/ohms
Sensitivity 104 dB/mW
Maximum input 250 mW
Frequency response 15 - 24,000 Hz
Weight 5.4 g (not including cable)
Cable length
Plug ø3.5 mm gold-plated
Limited Warranty 1 year
Denon Electronics (USA), LLC
100 Corporate Drive
Mahwah, NJ 07430
www.usa.denon.com
0.5m OFC Cable ø3.5mm Stereo mini-plug
(1.3m total cable length with 0.8m extension cable)
stereo mini plug
Specifications
AH-C351
Type Dynamic type
Drive units ø 9 mm Neodymium magnet
Input impedance 17 Ω/ohms
Sensitivity 110 dB/mW
Maximum input 20 mW
Frequency response 20 - 21,000 Hz
Weight 3.0 g (not including cable)
Cable length
Plug ø3.5 mm gold-plated
Limited Warranty 1 year
0.5m OFC Cable ø3.5mm Stereo mini-plug
(1.3m total cable length with 0.8m extension cable)
stereo mini plug
55440807 B
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