Entities

Entities

Every zone is its own HA device, named with the zone name stored in the unit (renames on the unit sync to HA automatically).

Per zone

Entity	Purpose
media_player.<zone>	Power, volume, mute, source. Attributes: volume_db, volume_keypad, bass, treble, balance, do_not_disturb, party_mode, source_number, raw_status
select.<zone>_source	Inline source dropdown. Selecting a source powers the zone on (hardware behavior).
number.<zone>_bass / _treble	−10…+10
number.<zone>_balance	−18 (left) … +18 (right)
number.<zone>_volume_keypad_0_60	Volume on the keypad scale
switch.<zone>_do_not_disturb	Zone ignores party mode & doorbell
switch.<zone>_doorbell	Doorbell chime enabled for this zone (optimistic)

Controller

Entity	Purpose
binary_sensor.*_doorbell_ringing	On for exactly the chime duration; attribute doorbell_input
media_player.*_mp3_player	Built-in MP3 player (transport, repeat, file/artist)
button.*_all_zones_on / _off	Whole-house power
button.*_recall_preset_1…4	Hardware presets stored in the unit
button.*_refresh	Manual full poll

Sources

Sources use the names stored in the unit. The last source (19 on Lync 12, 13 on Lync 6) is the controller's built-in MP3 player / Intercom.