Troubleshooting Guide

• No power.

Cause: Power cord is not plugged in or is not com-

pletelyinserted.

Remedy: Firmly plug in the power cord.

• No Sound.

Cause: Incorrect cord connections.

Remedy: Connect the cord properly.

Cause: Wrong input selector.

Remedy: Select the proper input.

Cause: Wrong position of coaxial/optical selector.

Remedy: Select the proper position.

Cause: Wrong input mode selection on the receiver.

Remedy: Select the proper mode on the receiver.

•No Sound from Center or Surround Speakers.

Cause: Wrong OUTPUT CH. MODE selection.

Remedy:	Put on the OUTPUT CH. MODE
indicator for	the
speaker.

• No Sound from Subwoofer.

Cause: No Subwoofer is selected on the receiver.

Remedy: Select Subwoofer on the receiver.

• Low Frequency Noise, Hum.

Cause: Incorrect audio cord connection.

Remedy: Firmly connect audio cords.

• Poor Bass Sound.

Cause: LFE LEVEL setting is -10dB.

Remedy: Put off the LFE LEVEL indicator.

•The Difference of Sound Level between Channels.

Cause: Incorrect volume level adjustment on the

receiver.

Remedy: Adjust volume level for each Channel properly.

• Noise from/to nearby TV or Tuner.

Cause:	This unit is too close to the affected equipment.
Remedy:	Move this unit or the affected equipment
far	from each other.

ED-901 specifications

The Onkyo ED-901 is a high-performance in-ear headphone designed for audiophiles and music enthusiasts looking for superior sound quality in a compact form factor. With its advanced technologies and carefully selected materials, the ED-901 epitomizes Onkyo’s commitment to audio excellence.

One of the standout features of the Onkyo ED-901 is its dynamic driver technology. The headphones utilize a 9mm driver unit, which is engineered to deliver a broad frequency response, ensuring that every note from deep bass to soaring highs is reproduced accurately. This results in an immersive listening experience that captures the essence of the music.

The ED-901 also incorporates a precision-balanced design that minimizes distortion and enhances signal clarity. This unique approach allows for a cleaner sound profile, making them perfect for diverse music genres, from classical to contemporary. Additionally, the headphones feature a high sensitivity rating, allowing them to produce impressive sound performance even when paired with portable devices such as smartphones and tablets.

Comfort is paramount in the design of the ED-901. The headphones come with a selection of silicone ear tips of various sizes, providing a customizable fit that not only enhances comfort but also improves passive noise isolation. This feature ensures that listeners can enjoy their music without outside distractions, making them ideal for use in various environments.

Durability is another characteristic of the Onkyo ED-901. With a robust build quality and a tangle-free, flat cable design, these headphones are built to withstand the rigors of daily use. The cable is also equipped with an in-line microphone and remote control, allowing users to take calls and navigate music playback conveniently.

Furthermore, the Onkyo ED-901 emphasizes versatility. With a design that allows for easy storage and portability, they are perfect for travel or everyday use. The sleek and stylish appearance of the headphones also makes them an attractive accessory for any music lover.

In summary, the Onkyo ED-901 combines advanced driver technology, comfort, durability, and functionality into a compact design. With these features, it stands out as an impressive option for anyone seeking to enhance their audio experience on the go, ensuring that every listener can appreciate the beauty of their favorite music.