Please check the following points: 1) The power indicator light should be ON 2) Try to turn up the volume 3) Make sure the audio cables are correctly connected 4) Make sure you set the input correctly on the speakers 5) The audio source should deliver a signal output
It's a pair.
These are not powered Edifier speakers so you need a receiver or amplifier to do so.
After-sales service information
If the product has a performance failure during the effective warranty period, you may apply for product warranty service.
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