User manual EDIFIER MP220

[. . . ] Please adjust the volume control to a comfortable level to avoid damaging your hearing and the system. WARNING: TO REDUCE THE RISK OF ELECTRIC SHOCK: Do not expose this apparatus to rain or moisture. Do not use the speakers near water, and do not immerse them in any liquid or pour any liquid on them. [. . . ] Lightning ----For added protection during lightning storms, unplug the speakers from the electrical outlet and turn off the computer. Servicing is required when the apparatus has been damaged in any way, such as the power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped. Please contact the seller as soon as possible if you find the speaker is the incorrect model or has sustained shipping damage. Figure b Rear view Remove the stands from the front of the speaker as in Figure 1a and 1b 2. Note: Whilst using USB as power supply distortion may occur when playing at Max volume. Amplifier power output: RMS 3Wx2 (THD=10%, fo=1KHz) Signal to noise ratio (Amplifier): 90dBA Amplifier distortion: THD+N<0. Edifier One Year Limited Warranty Edifier warrants to the end user that all of its computer speaker systems are free from defects in materials and workmanship in the course of normal and reasonable use for a term of one year from the date of purchase. This warranty is the exclusive and only warranty in effect relative to Edifier multimedia speaker systems and any other warranties, either expressed or implied, are invalid. Neither Edifier nor any authorized Edifier reseller is responsible for any incidental or consequential damages incurred in the use of the speakers. (This limitation of incidental or consequential damage is not applicable where prohibited. ) Edifier's obligation under this warranty does not apply to any defect, malfunction or failure as a result of misuse, abuse, improper installation, use with faulty or improper equipment, or the use of the speaker systems with any equipment for which they were not intended. The terms of this warranty apply only to speaker systems when such speakers are returned to the respective authorized Edifier reseller where they were purchased. Under the terms of this warranty, the original consumer purchaser has certain legal rights and may have other rights, which vary worldwide. Notice Edifier and Edifier logo are owned by Edifier Enterprises Canada Inc. [. . . ] The reason for this is the CD-ROM is not matched with the Soundcard, or one signal channel maybe shorted to a ground wire. Speakers exhibit excessive noise Edifier speakers are of a very low noise circuit design. Therefore, please unplug the input audio cable, and check if the noise is from the CD/DVD player or the Computer Soundcard etc. [. . . ]