@Emil Have a new amp with two speaker and sub, couple of others and a playbar, none of them can be controlled - tried them all and also tried your suggestions.
Here is the json from the Amp
{ "_objectType": "discoveryInfo", "device": { "_objectType": "deviceInfo", "id": "RINCON_804AF2AFAF2F01400", "serialNumber": "80-4A-F2-AF-AF-2F:A", "model": "S16", "modelDisplayName": "Amp", "color": "Black", "capabilities": [ "CLOUD", "HT_PLAYBACK", "PLAYBACK", "HT_POWER_STATE", "AIRPLAY", "LINE_IN", "AUDIO_CLIP", "SPEAKER_DETECTION", "IR_CONTROL", "HDMI" ], "deviceFeatures": [ { "_objectType": "feature", "name": "SUB_OUT" }, { "_objectType": "feature", "name": "RCA_LINE_IN" }, { "_objectType": "feature", "name": "SPEAKER_OUT" }, { "_objectType": "feature", "name": "HDMI_ARC" }, { "_objectType": "feature", "name": "IR_SENSOR" }, { "_objectType": "feature", "name": "BLE" }, { "_objectType": "feature", "name": "HT_SOURCE" }, { "_objectType": "feature", "name": "CAPTOUCH_ABC" }, { "_objectType": "feature", "name": "BUTTON_JOIN" }, { "_objectType": "feature", "name": "CONCURRENT_2GHZ_5GHZ" }, { "_objectType": "feature", "name": "WIFI_5GHZ" }, { "_objectType": "feature", "name": "WIFI_2GHZ" }, { "_objectType": "feature", "name": "2PORT_SWITCH" }, { "_objectType": "feature", "name": "ETHERNET" }, { "_objectType": "feature", "name": "WIFI" }, { "_objectType": "feature", "name": "EQ_BALANCE" }, { "_objectType": "feature", "name": "LED_STATUS" }, { "_objectType": "feature", "name": "DUAL_MONO" }, { "_objectType": "feature", "name": "HLS_V7" }, { "_objectType": "feature", "name": "CONTROLLER_CFG_SATELLITE" }, { "_objectType": "feature", "name": "WIRELESS_SONOSNET" }, { "_objectType": "feature", "name": "WIDEVINE" }, { "_objectType": "feature", "name": "EQ_COLLECTION" }, { "_objectType": "feature", "name": "TUNABLE_CROSSOVER" }, { "_objectType": "feature", "name": "DETECT_SPEAKERS" }, { "_objectType": "feature", "name": "ROOM_DETECTION_CHIRP" }, { "_objectType": "feature", "name": "ATE" } ], "apiVersion": "1.49.0", "minApiVersion": "1.1.0", "versions": { "_objectType": "sdkVersions", "controlAPI": [ "3.2.0", "1.49.0" ], "trueplaySDK": [ "6" ], "audioTxProtocol": [ 3 ], "htAudioTxProtocol": [ 7 ] }, "name": "Ceiling + SUB", "websocketUrl": "wss://192.168.99.114:1443/websocket/api", "softwareVersion": "92.0-70280", "hwVersion": "1.24.1.21-2.2", "swGen": 2, "quarantineReasons": [] }, "householdId": "Sonos_VpSdct4RFIdZNaJrsIMEeWWwGX.pyVFx-YKa4bpva_FDALB", "locationId": "lc_fc2190ca9bf646698024cda8056641de", "playerId": "RINCON_804AF2AFAF2F01400", "groupId": "RINCON_7828CA8370DE01400:163949978", "websocketUrl": "wss://192.168.99.114:1443/websocket/api", "restUrl": "https://192.168.99.114:1443/api", "allowGuestAccess": true, "credentialTypeAllowed": "API_KEY" }