Are you experiencing a hum or interference in your Beolab speakers? This problem often occurs in installations with CAT7 cabling and RJ45 connectors. Fortunately, in most cases, this is easy to resolve. On this page, we explain where the hum comes from and how to prevent it. Where does the hum come from? The cause is usually poor or missing grounding. At Bang & Olufsen cables such as: Powerlink Masterlink the shielding (jacket) is used as ground. In CAT7 installations in homes, this often goes wrong: Only the 8 wires are connected The shielding (ground) is not used Wall sockets are often not grounded Result: hum or noise in your speakers How do you solve this? Use RJ45 connectors with metal shielding Connect the ground (shielding) correctly Use wall sockets with a connection for shielding Ensure that the shielding makes contact with the connector This prevents interference and ensures a stable audio signal
Download the NetworkLink Instruction from B&O for correct connections
Common mistakes Ground cut off during installation Cheap RJ45 connectors without shielding No grounded wall sockets Using the right solution? View our cables and solutions: Shielded Powerlink cables RJ45 to DIN8 cables Grounding solutions Especially for B&O “Which cable do I need” “Connecting Beolab to TV” “Connecting WiiM to Beolab” Need help? Contact us via WhatsApp
