diff --git a/homeassistant/components/kef/manifest.json b/homeassistant/components/kef/manifest.json
index 135f8e1cf54..4af0626ace9 100644
--- a/homeassistant/components/kef/manifest.json
+++ b/homeassistant/components/kef/manifest.json
@@ -4,5 +4,5 @@
   "documentation": "https://www.home-assistant.io/integrations/kef",
   "dependencies": [],
   "codeowners": ["@basnijholt"],
-  "requirements": ["aiokef==0.2.7", "getmac==0.8.1"]
+  "requirements": ["aiokef==0.2.9", "getmac==0.8.1"]
 }
diff --git a/homeassistant/components/kef/media_player.py b/homeassistant/components/kef/media_player.py
index d4a1d7a4df3..2a227212006 100644
--- a/homeassistant/components/kef/media_player.py
+++ b/homeassistant/components/kef/media_player.py
@@ -1,11 +1,13 @@
 """Platform for the KEF Wireless Speakers."""
 
+import asyncio
 from datetime import timedelta
 from functools import partial
 import ipaddress
 import logging
 
 from aiokef import AsyncKefSpeaker
+from aiokef.aiokef import DSP_OPTION_MAPPING
 from getmac import get_mac_address
 import voluptuous as vol
 
@@ -31,7 +33,8 @@ from homeassistant.const import (
     STATE_OFF,
     STATE_ON,
 )
-from homeassistant.helpers import config_validation as cv
+from homeassistant.helpers import config_validation as cv, entity_platform
+from homeassistant.helpers.event import async_track_time_interval
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -55,6 +58,17 @@ CONF_INVERSE_SPEAKER_MODE = "inverse_speaker_mode"
 CONF_SUPPORTS_ON = "supports_on"
 CONF_STANDBY_TIME = "standby_time"
 
+SERVICE_MODE = "set_mode"
+SERVICE_DESK_DB = "set_desk_db"
+SERVICE_WALL_DB = "set_wall_db"
+SERVICE_TREBLE_DB = "set_treble_db"
+SERVICE_HIGH_HZ = "set_high_hz"
+SERVICE_LOW_HZ = "set_low_hz"
+SERVICE_SUB_DB = "set_sub_db"
+SERVICE_UPDATE_DSP = "update_dsp"
+
+DSP_SCAN_INTERVAL = 3600
+
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
     {
         vol.Required(CONF_HOST): cv.string,
@@ -118,6 +132,7 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
         inverse_speaker_mode,
         supports_on,
         sources,
+        speaker_type,
         ioloop=hass.loop,
         unique_id=unique_id,
     )
@@ -128,6 +143,36 @@ async def async_setup_platform(hass, config, async_add_entities, discovery_info=
         hass.data[DOMAIN][host] = media_player
         async_add_entities([media_player], update_before_add=True)
 
+    platform = entity_platform.current_platform.get()
+
+    platform.async_register_entity_service(
+        SERVICE_MODE,
+        {
+            vol.Optional("desk_mode"): cv.boolean,
+            vol.Optional("wall_mode"): cv.boolean,
+            vol.Optional("phase_correction"): cv.boolean,
+            vol.Optional("high_pass"): cv.boolean,
+            vol.Optional("sub_polarity"): vol.In(["-", "+"]),
+            vol.Optional("bass_extension"): vol.In(["Less", "Standard", "Extra"]),
+        },
+        "set_mode",
+    )
+    platform.async_register_entity_service(SERVICE_UPDATE_DSP, {}, "update_dsp")
+
+    def add_service(name, which, option):
+        platform.async_register_entity_service(
+            name,
+            {vol.Required(option): vol.In(DSP_OPTION_MAPPING[which])},
+            f"set_{which}",
+        )
+
+    add_service(SERVICE_DESK_DB, "desk_db", "db_value")
+    add_service(SERVICE_WALL_DB, "wall_db", "db_value")
+    add_service(SERVICE_TREBLE_DB, "treble_db", "db_value")
+    add_service(SERVICE_HIGH_HZ, "high_hz", "hz_value")
+    add_service(SERVICE_LOW_HZ, "low_hz", "hz_value")
+    add_service(SERVICE_SUB_DB, "sub_db", "db_value")
+
 
 class KefMediaPlayer(MediaPlayerDevice):
     """Kef Player Object."""
@@ -143,6 +188,7 @@ class KefMediaPlayer(MediaPlayerDevice):
         inverse_speaker_mode,
         supports_on,
         sources,
+        speaker_type,
         ioloop,
         unique_id,
     ):
@@ -160,12 +206,15 @@ class KefMediaPlayer(MediaPlayerDevice):
         )
         self._unique_id = unique_id
         self._supports_on = supports_on
+        self._speaker_type = speaker_type
 
         self._state = None
         self._muted = None
         self._source = None
         self._volume = None
         self._is_online = None
+        self._dsp = None
+        self._update_dsp_task_remover = None
 
     @property
     def name(self):
@@ -190,6 +239,9 @@ class KefMediaPlayer(MediaPlayerDevice):
                 state = await self._speaker.get_state()
                 self._source = state.source
                 self._state = STATE_ON if state.is_on else STATE_OFF
+                if self._dsp is None:
+                    # Only do this when necessary because it is a slow operation
+                    await self.update_dsp()
             else:
                 self._muted = None
                 self._source = None
@@ -291,11 +343,11 @@ class KefMediaPlayer(MediaPlayerDevice):
 
     async def async_media_play(self):
         """Send play command."""
-        await self._speaker.play_pause()
+        await self._speaker.set_play_pause()
 
     async def async_media_pause(self):
         """Send pause command."""
-        await self._speaker.play_pause()
+        await self._speaker.set_play_pause()
 
     async def async_media_previous_track(self):
         """Send previous track command."""
@@ -304,3 +356,87 @@ class KefMediaPlayer(MediaPlayerDevice):
     async def async_media_next_track(self):
         """Send next track command."""
         await self._speaker.next_track()
+
+    async def update_dsp(self) -> None:
+        """Update the DSP settings."""
+        if self._speaker_type == "LS50" and self._state == STATE_OFF:
+            # The LSX is able to respond when off the LS50 has to be on.
+            return
+
+        (mode, *rest) = await asyncio.gather(
+            self._speaker.get_mode(),
+            self._speaker.get_desk_db(),
+            self._speaker.get_wall_db(),
+            self._speaker.get_treble_db(),
+            self._speaker.get_high_hz(),
+            self._speaker.get_low_hz(),
+            self._speaker.get_sub_db(),
+        )
+        keys = ["desk_db", "wall_db", "treble_db", "high_hz", "low_hz", "sub_db"]
+        self._dsp = dict(zip(keys, rest), **mode._asdict())
+
+    async def async_added_to_hass(self):
+        """Subscribe to DSP updates."""
+        self._update_dsp_task_remover = async_track_time_interval(
+            self.hass, self.update_dsp, DSP_SCAN_INTERVAL
+        )
+
+    async def async_will_remove_from_hass(self):
+        """Unsubscribe to DSP updates."""
+        self._update_dsp_task_remover()
+        self._update_dsp_task_remover = None
+
+    @property
+    def device_state_attributes(self):
+        """Return the DSP settings of the KEF device."""
+        return self._dsp or {}
+
+    async def set_mode(
+        self,
+        desk_mode=None,
+        wall_mode=None,
+        phase_correction=None,
+        high_pass=None,
+        sub_polarity=None,
+        bass_extension=None,
+    ):
+        """Set the speaker mode."""
+        await self._speaker.set_mode(
+            desk_mode=desk_mode,
+            wall_mode=wall_mode,
+            phase_correction=phase_correction,
+            high_pass=high_pass,
+            sub_polarity=sub_polarity,
+            bass_extension=bass_extension,
+        )
+        self._dsp = None
+
+    async def set_desk_db(self, db_value):
+        """Set desk_db of the KEF speakers."""
+        await self._speaker.set_desk_db(db_value)
+        self._dsp = None
+
+    async def set_wall_db(self, db_value):
+        """Set wall_db of the KEF speakers."""
+        await self._speaker.set_wall_db(db_value)
+        self._dsp = None
+
+    async def set_treble_db(self, db_value):
+        """Set treble_db of the KEF speakers."""
+        await self._speaker.set_treble_db(db_value)
+        self._dsp = None
+
+    async def set_high_hz(self, hz_value):
+        """Set high_hz of the KEF speakers."""
+        await self._speaker.set_high_hz(hz_value)
+        self._dsp = None
+
+    async def set_low_hz(self, hz_value):
+        """Set low_hz of the KEF speakers."""
+        await self._speaker.set_low_hz(hz_value)
+        self._dsp = None
+
+    async def set_sub_db(self, db_value):
+        """Set sub_db of the KEF speakers."""
+        await self._speaker.set_sub_db(db_value)
+        self._dsp = None
diff --git a/homeassistant/components/kef/services.yaml b/homeassistant/components/kef/services.yaml
new file mode 100644
index 00000000000..2226d3b6c2d
--- /dev/null
+++ b/homeassistant/components/kef/services.yaml
@@ -0,0 +1,97 @@
+update_dsp:
+  description: Update all DSP settings.
+  fields:
+    entity_id:
+      description: The entity_id of the KEF speaker.
+      example: media_player.kef_lsx
+
+set_mode:
+  description: Set the mode of the speaker.
+  fields:
+    entity_id:
+      description: The entity_id of the KEF speaker.
+      example: media_player.kef_lsx
+    desk_mode:
+      description: >
+        "Desk mode" (true or false)
+      example: true
+    wall_mode:
+      description: >
+        "Wall mode" (true or false)
+      example: true
+    phase_correction:
+      description: >
+        "Phase correction" (true or false)
+      example: true
+    high_pass:
+      description: >
+        "High-pass mode" (true or false)
+      example: true
+    sub_polarity:
+      description: >
+        "Sub polarity" ("-" or "+")
+      example: "+"
+    bass_extension:
+      description: >
+        "Bass extension" selector ("Less", "Standard", or "Extra")
+      example: "Extra"
+
+set_desk_db:
+  description: Set the "Desk mode" slider of the speaker in dB.
+  fields:
+    entity_id:
+      description: The entity_id of the KEF speaker.
+      example: media_player.kef_lsx
+    db_value:
+      description: Value of the slider (-6 to 0 with steps of 0.5)
+      example: 0.0
+
+set_wall_db:
+  description: Set the "Wall mode" slider of the speaker in dB.
+  fields:
+    entity_id:
+      description: The entity_id of the KEF speaker.
+      example: media_player.kef_lsx
+    db_value:
+      description: Value of the slider (-6 to 0 with steps of 0.5)
+      example: 0.0
+
+set_treble_db:
+  description: Set desk the "Treble trim" slider of the speaker in dB.
+  fields:
+    entity_id:
+      description: The entity_id of the KEF speaker.
+      example: media_player.kef_lsx
+    db_value:
+      description: Value of the slider (-2 to 2 with steps of 0.5)
+      example: 0.0
+
+set_high_hz:
+  description: Set the "High-pass mode" slider of the speaker in Hz.
+  fields:
+    entity_id:
+      description: The entity_id of the KEF speaker.
+      example: media_player.kef_lsx
+    hz_value:
+      description: Value of the slider (50 to 120 with steps of 5)
+      example: 95
+
+set_low_hz:
+  description: Set the "Sub out low-pass frequency" slider of the speaker in Hz.
+  fields:
+    entity_id:
+      description: The entity_id of the KEF speaker.
+      example: media_player.kef_lsx
+    hz_value:
+      description: Value of the slider (40 to 250 with steps of 5)
+      example: 80
+
+set_sub_db:
+  description: Set the "Sub gain" slider of the speaker in dB.
+  fields:
+    entity_id:
+      description: The entity_id of the KEF speaker.
+      example: media_player.kef_lsx
+    db_value:
+      description: Value of the slider (-10 to 10 with steps of 1)
+      example: 0
diff --git a/requirements_all.txt b/requirements_all.txt
index 94ce70f6e4e..3e7e5fa5653 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -184,7 +184,7 @@ aioimaplib==0.7.15
 aiokafka==0.5.1
 
 # homeassistant.components.kef
-aiokef==0.2.7
+aiokef==0.2.9
 
 # homeassistant.components.lifx
 aiolifx==0.6.7