contact us

Company Information

C & M AUDIO CO., LTD

Address / 1F., No. 12, Ln. 86, Sec. 2, Xinyi Rd., Da ‘an Dist., Taipei City, 106, Taiwan (R.O.C.)

Global service email :  info_global@chord-m.com

TEL / +886-2-2397-9377
FAX / +886-2-2397-9527

Service

Chord & Major Service Requirements

Warranty Coverage

Chord & Major warrants this product to be free of defects in material or workmanship for a period of ONE (1) YEAR under normal use from the date of purchase. This warranty is available to the original purchaser, and only if purchased from official / authorized resellers. Please keep your warranty card and purchase receipt in a safe place, the original purchase receipt must be provided together with any claims.

Exclusions and Limitations

1.Damage caused by abuse, misuse, mishandling or modifications performed by anyone other than Chord & Major.

2.Loss, theft, or any defects attributable to damage beyond the reasonable control of Chord & Major.

3.Missing official Chord & Major warranty card including proof of purchase.

4.Expired warranty, starting one year from date of purchase.

5.The carrying pouch, wood box, cleaning tool, adapters, ear tips or other included accessories are not covered.

NOTE: Claims considered by Chord & Major Service Center to be outside warranty coverage will NOT be eligible for our free global after-sales service.  Out of warranty claims will also be charged standard servicing fees to be quoted by Chord & Major on a case-by-case basis.

Requesting Warranty Service

1.Email us at  info_global@chord-m.com  including the photo of your failure earphone, a copy of your purchase record and contact details.

2.Chord & Major global service center will contact you with your case number and next steps.

3.If covered by warranty you will receive free service; If not, we will quote the cost of repair for your confirmation.

4.After your earphones have been repaired we will send them back to you.

NOTE: Please allow up to 4 weeks for testing, repairs and return shipping (excluding weekends and public holidays).

When Sending in Your Earphones

1.Protected / wrapped earphone ONLY (without the wood box).

2.Include Warranty card / Purchase receipt.

3.Case number and contact details – Full name / number / email / Mailing address with zip code.

For enquiries please contact us at: info_global@chord-m.com

%
*可自行輸入百分比
*Input the run-in percentage
歡迎使用「Chord & Major 全頻煲機程式」
完整煲機流程約為60分鐘,請依以下指示開始進行煲機:

1.請將耳機與播放裝置連接。
2.請將播放裝置的音量設定至100%。
3.按下start鍵後開始進行煲機。
Welcome to Chord & Major Full Frequency Run-In Program
The whole progress is around 60 minutes, please go through the following steps:

1.Connect the earphone and the audio device.
2.Set the volume at 100% on device.
3.Press “START” to begin with the Run-in program.
*注意事項:
煲機過程中因頻率與音量的變化較大,不建議直接聆聽。
*Note:
Not recommend to listen to the music through earphone during running this program due to the high volume setting and frequency changes.

第一階段:線性跑動

Step 1: Linear-Drive

頻率運作範圍:0Hz~45kHz
時間:約20min
本階段針對耳機進行基礎熱身,讓耳機循序漸進地全頻運作,讓彈性恢復

Frequency: 0Hz ~ 45kHz
Time: 20 mins

This step is to do a basic warm-up for the earphone and let it play through all frequencies gradually to perform a better drive flexibility.

第二階段:瞬態反應

Step 2: Dynamic Response

頻率運作範圍:0Hz~45kHz
時間:約10min
密集的瞬間動態動作,進行更高壓的極端熱機,讓性能運作達最佳化。

Frequency: 0Hz~45kHz
Time: 10 mins

Through the frequent dynamic responses to highly congress the burn-in progress for maximising the functions.

第三階段:全頻緩機

Step 3: Full Frequency Ease-up

頻率運作範圍:0Hz~45kHz
時間:約30min
開始進行疏緩,讓耳機緩機,保留其延展性,讓驅動狀態穩定。

Frequency: 0Hz~45kHz
Time: 30 mins

Begin to ease-up the earphone for remaining the ductility and stabilise the driver.

START
PLAY
STOP