diff --git a/apps/renderer.c b/apps/renderer.c
index f43fde32d2d5729e544f9aa8e4d116b805f875de..8e44fd6cc19cf316afea7a5563e67c357acdf3d6 100644
--- a/apps/renderer.c
+++ b/apps/renderer.c
@@ -3491,14 +3491,20 @@ static void parseCombinedFormatInput(
         inConfig->numAmbisonicsBuses = 1;
         inConfig->ambisonicsBuses[0].audioConfig = audioConfig;
         inConfig->ambisonicsBuses[0].inputChannelIndex = inConfig->numAudioObjects;
+#ifdef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
+        inConfig->ambisonicsBuses[0].gain_dB = 0.f;
+#else
         inConfig->ambisonicsBuses[0].gain_dB = -6.f;
+#endif
         *configString += 4;
 
+#ifndef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
         /* Modify input gain for objects too */
         for ( int16_t i = 0; i < inConfig->numAudioObjects; ++i )
         {
             inConfig->audioObjects[i].gain_dB = -6.f;
         }
+#endif
     }
     else if ( audioConfig == IVAS_AUDIO_CONFIG_MASA1 || audioConfig == IVAS_AUDIO_CONFIG_MASA2 )
     {
diff --git a/lib_com/options.h b/lib_com/options.h
index 903c44acd35634e33e108659ec2a85fd63f18fb0..edd60e4680f719806fef9ec40b0e5f974fa712d7 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -175,6 +175,7 @@
 #define NONBE_1122_KEEP_EVS_MODE_UNCHANGED              /* FhG: Disables fix for issue 1122 in EVS mode to keep BE tests green. This switch should be removed once the 1122 fix is added to EVS via a CR.  */
 #define NONBE_FIX_TCX5_INTERLEAVING_FOR_FS_IN_UNEQUAL_FS_OUT /* FhG: apply correct TCX5 grouping/interleaving when input_fs != output_fs */
 #define NONBE_1339_FIXOSBA_EXT_LOUDNESS                 /* FhG: issue 1339: apply scaling with EXT output in OSBA high-BR mode */
+#define NONBE_1352_HARMONIZE_OSBA_LOUDNESS             /* FhG: do not scale OSBA inputs by 0.5 any more */
 
 /* ##################### End NON-BE switches ########################### */
 
diff --git a/lib_dec/ivas_jbm_dec.c b/lib_dec/ivas_jbm_dec.c
index 173d031628e204bb5ac217b8ee3a5aee0469e560..317bb0057df58907fefe001a57e1ada5ddf8343d 100644
--- a/lib_dec/ivas_jbm_dec.c
+++ b/lib_dec/ivas_jbm_dec.c
@@ -1110,7 +1110,7 @@ ivas_error ivas_jbm_dec_render(
                 {
                     mvr2r( p_tc[n], p_output[n], *nSamplesRendered );
                 }
-#ifdef NONBE_1339_FIXOSBA_EXT_LOUDNESS
+#if defined( NONBE_1339_FIXOSBA_EXT_LOUDNESS ) && !defined( NONBE_1352_HARMONIZE_OSBA_LOUDNESS )
                 for ( n = 0; n < st_ivas->hDecoderConfig->nchan_out; n++ )
                 {
                     v_multc( p_output[n], 0.5f, p_output[n], *nSamplesRendered );
@@ -1128,6 +1128,12 @@ ivas_error ivas_jbm_dec_render(
         else if ( st_ivas->renderer_type == RENDERER_BINAURAL_PARAMETRIC || st_ivas->renderer_type == RENDERER_BINAURAL_PARAMETRIC_ROOM )
         {
             ivas_dirac_dec_binaural_render( st_ivas, nSamplesAskedLocal, nSamplesRendered, nSamplesAvailableNext, nchan_remapped, p_output );
+#ifdef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
+            for ( n = 0; n < st_ivas->hDecoderConfig->nchan_out; n++ )
+            {
+                v_multc( p_output[n], 2.0f, p_output[n], *nSamplesRendered );
+            }
+#endif
         }
         else
         {
@@ -1150,6 +1156,12 @@ ivas_error ivas_jbm_dec_render(
                     set_zero( p_output[n], *nSamplesRendered );
                 }
             }
+#ifdef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
+            for ( n = 0; n < st_ivas->hDecoderConfig->nchan_out; n++ )
+            {
+                v_multc( p_output[n], 2.0f, p_output[n], *nSamplesRendered );
+            }
+#endif
         }
     }
     else if ( st_ivas->ivas_format == MC_FORMAT )
diff --git a/lib_dec/ivas_osba_dec.c b/lib_dec/ivas_osba_dec.c
index afa273fdbbe25ec2021be6237c0233efd30f5d57..ab1b378ab6eac2daa36f7c9ce5989cbbca85f8ca 100644
--- a/lib_dec/ivas_osba_dec.c
+++ b/lib_dec/ivas_osba_dec.c
@@ -183,12 +183,21 @@ ivas_error ivas_osba_dirac_td_binaural_jbm(
                 for ( b = 0; b < num_cldfb_bands; b++ )
                 {
                     st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_RealBuffer_Binaural[n][slot_idx_start + slot_idx][b] =
+#ifndef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
                         ( 0.5f * st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_RealBuffer_Binaural[n][slot_idx_start + slot_idx][b] ) +
                         ( 0.5f * Cldfb_RealBuffer[b] );
-
+#else
+                        st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_RealBuffer_Binaural[n][slot_idx_start + slot_idx][b] +
+                        Cldfb_RealBuffer[b];
+#endif
                     st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_ImagBuffer_Binaural[n][slot_idx_start + slot_idx][b] =
+#ifndef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
                         ( 0.5f * st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_ImagBuffer_Binaural[n][slot_idx_start + slot_idx][b] ) +
                         ( 0.5f * Cldfb_ImagBuffer[b] );
+#else
+                        st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_ImagBuffer_Binaural[n][slot_idx_start + slot_idx][b] +
+                        Cldfb_ImagBuffer[b];
+#endif
                 }
             }
         }
@@ -205,7 +214,11 @@ ivas_error ivas_osba_dirac_td_binaural_jbm(
             int16_t i;
             for ( i = 0; i < nSamplesAsked; i++ )
             {
+#ifndef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
                 output_f[n][i] = 0.5f * output_f[channel_offset + n][i] + 0.5f * p_sepobj[n][i];
+#else
+                output_f[n][i] = output_f[channel_offset + n][i] + p_sepobj[n][i];
+#endif
             }
         }
     }
@@ -295,7 +308,9 @@ ivas_error ivas_osba_render_sf(
             v_add( p_output[n], p_output_ism[n], p_output[n], *nSamplesRendered );
         }
 
+#ifndef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
         v_multc( p_output[n], 0.5f, p_output[n], *nSamplesRendered );
+#endif
     }
 
     return IVAS_ERR_OK;
@@ -338,10 +353,12 @@ void ivas_osba_stereo_add_channels(
         }
     }
 
+#ifndef NONBE_1352_HARMONIZE_OSBA_LOUDNESS
     for ( n = 0; n < nchan_out; n++ )
     {
         v_multc( output_f[n], 0.5f, output_f[n], n_samples_to_render );
     }
+#endif
 
     return;
 }