Cadel Sound 5 UP air pellet stove 5.5 kW - WiFi ANTHRACITECadel Sound 5 UP 5. 5 kW air pellet stove WiFi ANTHRACITE Thermal power 5. 5 kW Ideal for heating rooms up to 60 m2 with an average height of 2. 7 m The Cadel SOUND 5 UP TWIN SG pellet stove (Certificate model name: SOUND3 5 UP) is truly a discovery! In this version, Wi Fi and Bluetooth have been added as standard for even greater comfort and flexibility. Cadel never stops improving; its vast range of pellet stoves is constantly evolving and stands