diff --git a/audio/aidl/default/virtualizer/VirtualizerSw.cpp b/audio/aidl/default/virtualizer/VirtualizerSw.cpp
index faa630e..4180105 100644
--- a/audio/aidl/default/virtualizer/VirtualizerSw.cpp
+++ b/audio/aidl/default/virtualizer/VirtualizerSw.cpp
@@ -60,7 +60,9 @@
 namespace aidl::android::hardware::audio::effect {
 
 const std::string VirtualizerSw::kEffectName = "VirtualizerSw";
-const Virtualizer::Capability VirtualizerSw::kCapability;
+const bool VirtualizerSw::kStrengthSupported = true;
+const Virtualizer::Capability VirtualizerSw::kCapability = {.strengthSupported =
+                                                                    kStrengthSupported};
 const Descriptor VirtualizerSw::kDescriptor = {
         .common = {.id = {.type = kVirtualizerTypeUUID,
                           .uuid = kVirtualizerSwImplUUID,
@@ -82,16 +84,60 @@
     RETURN_IF(Parameter::Specific::virtualizer != specific.getTag(), EX_ILLEGAL_ARGUMENT,
               "EffectNotSupported");
 
-    mSpecificParam = specific.get<Parameter::Specific::virtualizer>();
-    LOG(DEBUG) << __func__ << " success with: " << specific.toString();
-    return ndk::ScopedAStatus::ok();
+    auto& vrParam = specific.get<Parameter::Specific::virtualizer>();
+    auto tag = vrParam.getTag();
+
+    switch (tag) {
+        case Virtualizer::strengthPm: {
+            RETURN_IF(!kStrengthSupported, EX_ILLEGAL_ARGUMENT, "SettingStrengthNotSupported");
+
+            RETURN_IF(mContext->setVrStrength(vrParam.get<Virtualizer::strengthPm>()) !=
+                              RetCode::SUCCESS,
+                      EX_ILLEGAL_ARGUMENT, "strengthPmNotSupported");
+            return ndk::ScopedAStatus::ok();
+        }
+        default: {
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+                                                                    "VirtualizerTagNotSupported");
+        }
+    }
 }
 
 ndk::ScopedAStatus VirtualizerSw::getParameterSpecific(const Parameter::Id& id,
                                                        Parameter::Specific* specific) {
     auto tag = id.getTag();
     RETURN_IF(Parameter::Id::virtualizerTag != tag, EX_ILLEGAL_ARGUMENT, "wrongIdTag");
-    specific->set<Parameter::Specific::virtualizer>(mSpecificParam);
+    auto vrId = id.get<Parameter::Id::virtualizerTag>();
+    auto vrIdTag = vrId.getTag();
+    switch (vrIdTag) {
+        case Virtualizer::Id::commonTag:
+            return getParameterVirtualizer(vrId.get<Virtualizer::Id::commonTag>(), specific);
+        default:
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+                                                                    "VirtualizerTagNotSupported");
+    }
+}
+
+ndk::ScopedAStatus VirtualizerSw::getParameterVirtualizer(const Virtualizer::Tag& tag,
+                                                          Parameter::Specific* specific) {
+    RETURN_IF(!mContext, EX_NULL_POINTER, "nullContext");
+
+    Virtualizer vrParam;
+    switch (tag) {
+        case Virtualizer::strengthPm: {
+            vrParam.set<Virtualizer::strengthPm>(mContext->getVrStrength());
+            break;
+        }
+        default: {
+            LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
+            return ndk::ScopedAStatus::fromExceptionCodeWithMessage(EX_ILLEGAL_ARGUMENT,
+                                                                    "VirtualizerTagNotSupported");
+        }
+    }
+
+    specific->set<Parameter::Specific::virtualizer>(vrParam);
     return ndk::ScopedAStatus::ok();
 }
 
diff --git a/audio/aidl/default/virtualizer/VirtualizerSw.h b/audio/aidl/default/virtualizer/VirtualizerSw.h
index 4a05678..05974a8 100644
--- a/audio/aidl/default/virtualizer/VirtualizerSw.h
+++ b/audio/aidl/default/virtualizer/VirtualizerSw.h
@@ -32,12 +32,26 @@
         : EffectContext(statusDepth, common) {
         LOG(DEBUG) << __func__;
     }
-    // TODO: add specific context here
+    RetCode setVrStrength(int strength) {
+        if (strength < Virtualizer::MIN_PER_MILLE_STRENGTH ||
+            strength > Virtualizer::MAX_PER_MILLE_STRENGTH) {
+            LOG(ERROR) << __func__ << " invalid strength " << strength;
+            return RetCode::ERROR_ILLEGAL_PARAMETER;
+        }
+        // TODO : Add implementation to apply new strength
+        mStrength = strength;
+        return RetCode::SUCCESS;
+    }
+    int getVrStrength() const { return mStrength; }
+
+  private:
+    int mStrength;
 };
 
 class VirtualizerSw final : public EffectImpl {
   public:
     static const std::string kEffectName;
+    static const bool kStrengthSupported;
     static const Virtualizer::Capability kCapability;
     static const Descriptor kDescriptor;
     VirtualizerSw() { LOG(DEBUG) << __func__; }
@@ -60,7 +74,8 @@
 
   private:
     std::shared_ptr<VirtualizerSwContext> mContext;
-    /* parameters */
-    Virtualizer mSpecificParam;
+
+    ndk::ScopedAStatus getParameterVirtualizer(const Virtualizer::Tag& tag,
+                                               Parameter::Specific* specific);
 };
 }  // namespace aidl::android::hardware::audio::effect