Denon AH-C351K Owner's Manual

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Denon AH-C351K Specification

The Denon AH-C351K is a pair of in-ear headphones designed to deliver high-quality sound with compact and comfortable fit. The earbuds feature a dynamic driver with a diameter of 11mm, engineered to produce a wide frequency range of 20Hz to 21kHz, ensuring rich bass and clear treble. With an impedance of 16 ohms and sensitivity rated at 103dB/mW, these headphones are optimized for use with portable audio devices, providing efficient sound output without excessive power consumption.

The design incorporates Denon's Acoustic Optimizer technology, which balances air pressure on both sides of the diaphragm, resulting in clearer sound and enhanced audio performance. The AH-C351K includes three sizes of silicon ear tips, allowing users to select the best fit for comfort and noise isolation, reducing ambient sound interference effectively.

The cable measures 1.2 meters and is made of oxygen-free copper to minimize signal loss and maintain sound integrity. It terminates in a 3.5mm gold-plated plug, ensuring a reliable connection with various audio devices. The headphones are lightweight, weighing approximately 3.5 grams without the cable, making them suitable for prolonged use without discomfort.

Denon’s attention to ergonomic design is evident in the AH-C351K's construction, providing a snug fit that accommodates a range of ear shapes. The headphones are finished in a sleek black color, merging style with functionality. Overall, the Denon AH-C351K is an excellent choice for users seeking portable audio solutions that do not compromise on sound quality or comfort.

Denon AH-C351K F.A.Q.

How do I properly insert the Denon AH-C351K earbuds for optimal sound quality?

To ensure optimal sound quality, insert the earbuds gently into your ears and twist slightly to ensure a snug fit. Use the appropriate eartips provided to fit your ear canal size.

What should I do if the sound is only coming from one earbud?

First, check the connection to your audio device and ensure it's fully plugged in. Inspect the earbud for any debris or damage. If the issue persists, try the earbuds with another device to rule out device-specific issues.

How can I clean my Denon AH-C351K earbuds?

To clean your earbuds, gently remove the eartips and clean them with mild soap and water. Use a soft cloth to wipe the earbuds themselves. Avoid using sharp objects to clean the speaker area.

Are the Denon AH-C351K earbuds sweat-resistant?

The Denon AH-C351K is not specifically designed to be sweat-resistant. It's advisable to avoid exposing them to excessive moisture to prolong their lifespan.

What is the best way to store the Denon AH-C351K when not in use?

Store the earbuds in their original case or a protective pouch to prevent tangling and damage. Keep them in a cool, dry place away from direct sunlight.

How do I resolve connectivity issues with my Denon AH-C351K earbuds?

Ensure that the audio jack is fully inserted into the device. If issues persist, try using the earbuds with a different device to determine if the problem is with the earbuds or the original device.

Can I replace the eartips of the Denon AH-C351K with third-party options?

Yes, you can use third-party eartips as long as they fit the nozzle of the earbuds. Ensure they provide a secure fit for optimal sound isolation and comfort.

What should I check if the volume seems too low on my Denon AH-C351K earbuds?

Check your device's volume settings and ensure they are at a comfortable level. Confirm that the earbuds are securely connected, and try cleaning them to remove any blockage.

Is there a way to improve the bass response on the Denon AH-C351K earbuds?

For improved bass response, ensure a tight seal with the appropriate eartips. Experiment with different sizes to find the best fit that enhances bass delivery.

How can I identify right and left earbuds of the Denon AH-C351K?

The Denon AH-C351K earbuds typically have markings on them: 'L' for the left earbud and 'R' for the right earbud. Ensure correct positioning for optimal stereo sound.