diff --git a/src/accessories/deviceButton.ts b/src/accessories/deviceButton.ts
index b456e48..ddf8574 100644
--- a/src/accessories/deviceButton.ts
+++ b/src/accessories/deviceButton.ts
@@ -69,7 +69,7 @@ export class DeviceButton {
 
     //Get device command if we don't have it
     if (!this._device) {
-      this._device = this._dataProvider.getDeviceFromName(
+      this._device = this._dataProvider.getDeviceByName(
         this._deviceInfo.DeviceName
       );
     }
@@ -82,12 +82,18 @@ export class DeviceButton {
     //change state if stateful
     if (this._deviceInfo.IsStateful && this._buttonState != newState) {
       this._buttonState = newState;
-      await this._device.sendCommand(this._deviceInfo.ButtonName);
+      await this._dataProvider.sendCommand(
+        this._deviceInfo.ButtonName,
+        this._device
+      );
       return callback();
     } else if (!this._deviceInfo.IsStateful) {
       //Send the number of configured key presses
       for (let i = 0; i < this._deviceInfo.NumberOfKeyPresses; i++) {
-        await this._device.sendCommand(this._deviceInfo.ButtonName);
+        await this._dataProvider.sendCommand(
+          this._deviceInfo.ButtonName,
+          this._device
+        );
       }
 
       this._switchService
diff --git a/src/accessories/sequence.ts b/src/accessories/sequence.ts
index 9f09dd9..a92a246 100644
--- a/src/accessories/sequence.ts
+++ b/src/accessories/sequence.ts
@@ -59,7 +59,7 @@ export class Sequence {
       if (!deviceName) {
         continue;
       }
-      const device = this._dataProvider.getDeviceFromName(deviceName);
+      const device = this._dataProvider.getDeviceByName(deviceName);
       if (device) {
         this._devices[deviceName] = device;
       } else {
@@ -87,7 +87,7 @@ export class Sequence {
         step.DeviceCommand &&
         device.supportsCommand(step.DeviceCommand)
       ) {
-        await device.sendCommand(step.DeviceCommand);
+        await this._dataProvider.sendCommand(step.DeviceCommand, device);
       } else {
         this._platform.log.warn(
           `Attempted to execute command ${step.DeviceCommand} on device ${step.DeviceName} but the device or command was not found`
diff --git a/src/dataProviders/harmonyDataProvider.ts b/src/dataProviders/harmonyDataProvider.ts
index e8eaada..b88a169 100644
--- a/src/dataProviders/harmonyDataProvider.ts
+++ b/src/dataProviders/harmonyDataProvider.ts
@@ -1,65 +1,83 @@
 import { Logging } from "homebridge";
 import { inject, injectable } from "tsyringe";
+import { ICommand } from "../models";
 import { IConfig } from "../models/config";
 import { IDeviceConfig } from "../models/config/deviceConfig";
 import { IHub } from "../models/config/hub";
 import { HarmonyDevice } from "../models/harmonyDevice";
 import { HarmonyHub } from "../models/harmonyHub";
+import { sleep } from "../util";
 
 @injectable()
 export class HarmonyDataProvider {
   private _hubs: { [hubName: string]: HarmonyHub } = {};
-  private _hubsByDevice: { [deviceName: string]: string } = {};
+  private _deviceConfigByName: { [deviceName: string]: IDeviceConfig } = {};
 
   constructor(
     @inject("IConfig") private _config: IConfig,
     @inject("log") private _log: Logging
   ) {
     _config.Devices.forEach((deviceConfig: IDeviceConfig) => {
-      this._hubsByDevice[deviceConfig.Name] = deviceConfig.Hub;
+      this._deviceConfigByName[deviceConfig.Name] = deviceConfig;
     });
-    // this._deviceConfigs = props.deviceConfigs;
 
     this.connect(_config.Hubs);
     this.emitInfo();
   }
 
-  public async turnOnDevices(devices: Array<HarmonyDevice>): Promise<void> {
+  public async powerOnDevices(devices: Array<HarmonyDevice>): Promise<void> {
     await Promise.all(
       devices.map(async (device: HarmonyDevice) => {
         if (device && device.name) {
           if (!device.on) {
             this._log.info(`Turning on device ${device.name}`);
-            await device.powerOn();
+            await this.powerOnDevice(device);
           }
         }
       })
     );
   }
 
-  public async turnOffDevices(devices: Array<HarmonyDevice>) {
+  public async powerOffDevices(devices: Array<HarmonyDevice>) {
     await Promise.all(
       //Turn off devices
       devices.map(async (device: HarmonyDevice) => {
         if (device) {
           if (device.on) {
             this._log.info(`Turning off device ${device.name}`);
-            await device.powerOff();
+            await this.powerOffDevice(device);
           }
         }
       })
     );
   }
 
+  public async sendCommand(
+    commandName: string,
+    harmonyDevice: HarmonyDevice
+  ): Promise<void> {
+    let command!: ICommand;
+
+    commandName = this.getOverrideCommand(commandName, harmonyDevice);
+
+    if (harmonyDevice.supportsCommand(commandName)) {
+      command = harmonyDevice.getCommand(commandName);
+    }
+    const hub = this.getHubByDevice(harmonyDevice);
+    await hub.sendCommand(command);
+  }
+
   /**
    * Get the IDevice by name.
    * @param deviceName The device to retrieve.
    */
-  public getDeviceFromName(deviceName: string): HarmonyDevice {
+  public getDeviceByName(deviceName: string): HarmonyDevice {
     let device: HarmonyDevice | undefined;
     try {
       device =
-        this._hubs[this._hubsByDevice[deviceName]].getDeviceByName(deviceName);
+        this._hubs[this._deviceConfigByName[deviceName].Hub].getDeviceByName(
+          deviceName
+        );
     } catch (err) {
       this._log.info(`Error retrieving device from hub: ${err}`);
     }
@@ -101,4 +119,49 @@ export class HarmonyDataProvider {
       });
     }
   }
+
+  private getHubByDevice(device: HarmonyDevice) {
+    return this._hubs[this._deviceConfigByName[device.name].Hub];
+  }
+
+  private async powerOnDevice(harmonyDevice: HarmonyDevice): Promise<void> {
+    let powerOnCommand: string = "Power On";
+    let powerToggleCommand: string = "Power Toggle";
+    if (harmonyDevice.supportsCommand(powerOnCommand)) {
+      await this.sendCommand(powerOnCommand, harmonyDevice);
+      harmonyDevice.on = true;
+    } else if (harmonyDevice.supportsCommand(powerToggleCommand)) {
+      await this.sendCommand(powerToggleCommand, harmonyDevice);
+      harmonyDevice.on = true;
+    } else {
+      await this.sendCommand(powerOnCommand, harmonyDevice);
+    }
+  }
+
+  private async powerOffDevice(harmonyDevice: HarmonyDevice): Promise<void> {
+    let powerOffCommand: string = "Power Off";
+    let powerToggleCommand: string = "Power Toggle";
+    if (harmonyDevice.supportsCommand(powerOffCommand)) {
+      await this.sendCommand(powerOffCommand, harmonyDevice);
+      harmonyDevice.on = false;
+    } else if (harmonyDevice.supportsCommand(powerToggleCommand)) {
+      await this.sendCommand(powerToggleCommand, harmonyDevice);
+      harmonyDevice.on = false;
+    }
+  }
+
+  private getOverrideCommand(
+    commandName: string,
+    harmonyDevice: HarmonyDevice
+  ) {
+    const deviceConfig: IDeviceConfig =
+      this._deviceConfigByName[harmonyDevice.name];
+    if (!deviceConfig.Overrides) {
+      return commandName;
+    }
+    const overrideCommand = deviceConfig.Overrides.find(
+      (e) => e.Command == commandName
+    );
+    return overrideCommand ? overrideCommand.Override : commandName;
+  }
 }
diff --git a/src/models/config/deviceConfig.ts b/src/models/config/deviceConfig.ts
index 97b74a0..116b3eb 100644
--- a/src/models/config/deviceConfig.ts
+++ b/src/models/config/deviceConfig.ts
@@ -1,4 +1,5 @@
 export interface IDeviceConfig {
-    Name: string;
-    Hub: string;
-}
\ No newline at end of file
+  Name: string;
+  Hub: string;
+  Overrides: Array<{ Command: string; Override: string }>;
+}
diff --git a/src/models/harmonyDevice.ts b/src/models/harmonyDevice.ts
index 1b6c394..aefc87e 100644
--- a/src/models/harmonyDevice.ts
+++ b/src/models/harmonyDevice.ts
@@ -10,15 +10,12 @@ export interface IHarmonyDeviceProps {
 }
 
 export class HarmonyDevice {
-  private _harmony: any;
-  private _log: any;
   private _commands: { [name: string]: ICommand } = {};
   private _on: boolean;
 
   constructor(props: IHarmonyDeviceProps) {
     this.id = props.id;
     this.name = props.name;
-    this._harmony = props.harmony;
     this._on = false;
     this._commands = props.commands;
   }
@@ -30,6 +27,10 @@ export class HarmonyDevice {
     return this._on;
   }
 
+  public set on(value: boolean) {
+    this._on = value;
+  }
+
   public get commands(): { [name: string]: ICommand } {
     return this._commands;
   }
@@ -43,51 +44,4 @@ export class HarmonyDevice {
   public getCommand(commandName: string): ICommand {
     return this._commands[commandName];
   }
-
-  public async powerOn(): Promise<void> {
-    let powerOnCommand: string = "Power On";
-    let powerToggleCommand: string = "Power Toggle";
-    if (this.supportsCommand(powerOnCommand)) {
-      await this.sendCommand(powerOnCommand);
-      this._on = true;
-    } else if (this.supportsCommand(powerToggleCommand)) {
-      await this.sendCommand(powerToggleCommand);
-      this._on = true;
-    }
-  }
-
-  public async powerOff(): Promise<void> {
-    let powerOffCommand: string = "Power Off";
-    let powerToggleCommand: string = "Power Toggle";
-    if (this.supportsCommand(powerOffCommand)) {
-      await this.sendCommand(powerOffCommand);
-      this._on = false;
-    } else if (this.supportsCommand(powerToggleCommand)) {
-      await this.sendCommand(powerToggleCommand);
-      this._on = false;
-    }
-  }
-
-  public async sendCommand(commandName: string): Promise<void> {
-    let command!: ICommand;
-    if (this.supportsCommand(commandName)) {
-      command = this.getCommand(commandName);
-    }
-
-    try {
-      //Execute command
-      //HACK to fix Harmon Kardon receiver not turning off
-      if (command.command === "PowerOff") {
-        for (let i = 0; i < 2; i++) {
-          await this._harmony.sendCommand(JSON.stringify(command));
-        }
-      }
-      await this._harmony.sendCommand(JSON.stringify(command));
-
-      //Sleep
-      await sleep(800);
-    } catch (err) {
-      this._log(`ERROR - error sending command to harmony: ${err}`);
-    }
-  }
 }
diff --git a/src/models/harmonyHub.ts b/src/models/harmonyHub.ts
index 49c8b77..0d2c9e4 100644
--- a/src/models/harmonyHub.ts
+++ b/src/models/harmonyHub.ts
@@ -2,6 +2,7 @@ import { HarmonyDevice } from "./harmonyDevice";
 const Harmony = require("harmony-websocket");
 import { ICommand } from "./device";
 import { EventEmitter } from "events";
+import { sleep } from "../util";
 
 export class HarmonyHub extends EventEmitter {
   private _devices: { [deviceName: string]: HarmonyDevice } = {};
@@ -72,4 +73,22 @@ export class HarmonyHub extends EventEmitter {
   private connect = async (): Promise<void> => {
     await this._harmony.Connect(this._ip);
   };
+
+  public async sendCommand(command: ICommand): Promise<void> {
+    try {
+      //Execute command
+      //HACK to fix Harmon Kardon receiver not turning off
+      if (command.command === "PowerOff") {
+        for (let i = 0; i < 2; i++) {
+          await this._harmony.sendCommand(JSON.stringify(command));
+        }
+      }
+      await this._harmony.sendCommand(JSON.stringify(command));
+
+      //Sleep
+      await sleep(800);
+    } catch (err) {
+      this._log(`ERROR - error sending command to harmony: ${err}`);
+    }
+  }
 }
diff --git a/src/services/activityService.ts b/src/services/activityService.ts
index 3cff169..4dca0fb 100644
--- a/src/services/activityService.ts
+++ b/src/services/activityService.ts
@@ -34,7 +34,7 @@ export class ActivityService {
       controlUnitName
     );
 
-    await this._harmonyDataProvider.turnOnDevices(devicesToTurnOn);
+    await this._harmonyDataProvider.powerOnDevices(devicesToTurnOn);
 
     await this.assignDeviceInput(activity);
 
@@ -47,7 +47,7 @@ export class ActivityService {
       lastActivity,
       activity
     );
-    await this._harmonyDataProvider.turnOffDevices(devicesToTurnOff);
+    await this._harmonyDataProvider.powerOffDevices(devicesToTurnOff);
 
     this._stateDataProvider.updateState(activity, controlUnitName);
   };
@@ -66,7 +66,7 @@ export class ActivityService {
       controlUnitName,
       lastActivity
     );
-    await this._harmonyDataProvider.turnOffDevices(devicesToTurnOff);
+    await this._harmonyDataProvider.powerOffDevices(devicesToTurnOff);
 
     this._stateDataProvider.removeState(controlUnitName);
   };
@@ -157,7 +157,7 @@ export class ActivityService {
   private buildPotentialDeviceList(activity: IActivity): HarmonyDevice[] {
     return activity.DeviceSetupList.map(
       (value: IDeviceSetupItem): HarmonyDevice => {
-        return this._harmonyDataProvider.getDeviceFromName(value.DeviceName);
+        return this._harmonyDataProvider.getDeviceByName(value.DeviceName);
       }
     );
   }
@@ -165,12 +165,15 @@ export class ActivityService {
   private async assignDeviceInput(activity: IActivity): Promise<void> {
     await Promise.all(
       activity.DeviceSetupList.map(async (value: IDeviceSetupItem) => {
-        let device: HarmonyDevice = this._harmonyDataProvider.getDeviceFromName(
+        let device: HarmonyDevice = this._harmonyDataProvider.getDeviceByName(
           value.DeviceName
         );
 
         if (device && device.supportsCommand(`Input${value.Input}`)) {
-          await device.sendCommand(`Input${value.Input}`);
+          await this._harmonyDataProvider.sendCommand(
+            `Input${value.Input}`,
+            device
+          );
         }
       })
     );
@@ -190,7 +193,7 @@ export class ActivityService {
       let outputCommandName: string = `Out ${output.OutputLetter}`;
 
       let matrixDevice: HarmonyDevice =
-        this._harmonyDataProvider.getDeviceFromName(
+        this._harmonyDataProvider.getDeviceByName(
           this._config.Matrix.DeviceName
         );
 
@@ -199,10 +202,22 @@ export class ActivityService {
         matrixDevice.supportsCommand(inputCommandName) &&
         matrixDevice.supportsCommand(outputCommandName)
       ) {
-        await matrixDevice.sendCommand(outputCommandName);
-        await matrixDevice.sendCommand(inputCommandName);
-        await matrixDevice.sendCommand(outputCommandName);
-        await matrixDevice.sendCommand(inputCommandName);
+        await this._harmonyDataProvider.sendCommand(
+          outputCommandName,
+          matrixDevice
+        );
+        await this._harmonyDataProvider.sendCommand(
+          inputCommandName,
+          matrixDevice
+        );
+        await this._harmonyDataProvider.sendCommand(
+          outputCommandName,
+          matrixDevice
+        );
+        await this._harmonyDataProvider.sendCommand(
+          inputCommandName,
+          matrixDevice
+        );
       }
     }
   }
diff --git a/src/services/commandService.ts b/src/services/commandService.ts
index e666274..be4e841 100644
--- a/src/services/commandService.ts
+++ b/src/services/commandService.ts
@@ -23,7 +23,7 @@ export class CommandService {
     if (currentActivity) {
       let commandName: string = "";
 
-      let device: HarmonyDevice = this._harmonyDataProvider.getDeviceFromName(
+      let device: HarmonyDevice = this._harmonyDataProvider.getDeviceByName(
         currentActivity.ControlDevice
       );
       switch (key) {
@@ -65,7 +65,7 @@ export class CommandService {
         }
       }
 
-      await device.sendCommand(commandName);
+      await this._harmonyDataProvider.sendCommand(commandName, device);
     }
   };
 }
diff --git a/src/services/volumeService.ts b/src/services/volumeService.ts
index 0c7f8cb..5a48961 100644
--- a/src/services/volumeService.ts
+++ b/src/services/volumeService.ts
@@ -19,10 +19,11 @@ export class VolumeService {
     let currentActivity = this._stateDataProvider.getState(controlUnitName);
     if (currentActivity) {
       let volumeDevice: HarmonyDevice =
-        this._harmonyDataProvider.getDeviceFromName(
-          currentActivity.VolumeDevice
-        );
-      await volumeDevice.sendCommand(volumeUpCommand);
+        this._harmonyDataProvider.getDeviceByName(currentActivity.VolumeDevice);
+      await this._harmonyDataProvider.sendCommand(
+        volumeUpCommand,
+        volumeDevice
+      );
     }
   };
 
@@ -34,10 +35,11 @@ export class VolumeService {
     let currentActivity = this._stateDataProvider.getState(controlUnitName);
     if (currentActivity) {
       let volumeDevice: HarmonyDevice =
-        this._harmonyDataProvider.getDeviceFromName(
-          currentActivity.VolumeDevice
-        );
-      await volumeDevice.sendCommand(volumeDownCommand);
+        this._harmonyDataProvider.getDeviceByName(currentActivity.VolumeDevice);
+      await this._harmonyDataProvider.sendCommand(
+        volumeDownCommand,
+        volumeDevice
+      );
     }
   };
 }