diff --git a/firmware/CMakePresets.json b/firmware/CMakePresets.json
index 94b84578d..4318ab9c6 100644
--- a/firmware/CMakePresets.json
+++ b/firmware/CMakePresets.json
@@ -32,6 +32,14 @@
           "value": "ON"
         }
       }
+    },
+    {
+      "name": "pcb-p12",
+      "description": "PCB p11 with mods (aka p12)",
+      "inherits": "base",
+      "cacheVariables": {
+        "METAMODULE_PCB_VERSION": "12"
+      }
     }
   ],
   "buildPresets": [
@@ -40,4 +48,4 @@
       "configurePreset": "base"
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/firmware/Makefile b/firmware/Makefile
index 4a8df9eb9..60c5b11ae 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -1,4 +1,4 @@
-PRESET := base
+PRESET ?= base
 
 # Detect MinGW and use Make
 ifdef SYSTEMROOT
diff --git a/firmware/src/CMakeLists.txt b/firmware/src/CMakeLists.txt
index a701b016d..c7d5d46cf 100644
--- a/firmware/src/CMakeLists.txt
+++ b/firmware/src/CMakeLists.txt
@@ -306,6 +306,10 @@ foreach(brand ${brands})
   target_link_libraries(main.elf PRIVATE ${brand}Library)
 endforeach()
 
+if (METAMODULE_PCB_VERSION)
+    target_compile_definitions(main.elf PRIVATE METAMODULE_PCB_VERSION=${METAMODULE_PCB_VERSION})
+endif()
+
 add_dependencies(main.elf m4_firmware)
 
 target_link_script(
diff --git a/firmware/src/audio/audio.cc b/firmware/src/audio/audio.cc
index 79beb3801..0eaa26ddf 100644
--- a/firmware/src/audio/audio.cc
+++ b/firmware/src/audio/audio.cc
@@ -117,7 +117,7 @@ void AudioStream::start() {
 
 AudioConf::SampleT AudioStream::get_audio_output(int output_id) {
 	auto raw_out = player.get_panel_output(output_id) * mute_ctr;
-	raw_out = -raw_out / OutputHighRangeVolts;
+	raw_out = -raw_out / OutputMaxVolts;
 	auto scaled_out = AudioOutFrame::scaleOutput(raw_out);
 	return scaled_out;
 }
diff --git a/firmware/src/medium/conf/scaling_config.hh b/firmware/src/medium/conf/scaling_config.hh
index 054f69d33..7970167b7 100644
--- a/firmware/src/medium/conf/scaling_config.hh
+++ b/firmware/src/medium/conf/scaling_config.hh
@@ -8,7 +8,8 @@ static inline constexpr int32_t InputHighRangeMillivolts = 10310;
 static inline constexpr float InputRangeVolts = InputHighRangeVolts - InputLowRangeVolts;
 static inline constexpr float InputRangeCenterVolts = (InputHighRangeVolts + InputLowRangeVolts) / 2.f;
 
-static inline constexpr float OutputLowRangeVolts = -8.59f;
-static inline constexpr float OutputHighRangeVolts = 8.59f;
-static inline constexpr float OutputRangeVolts = OutputHighRangeVolts - OutputLowRangeVolts;
-static inline constexpr float OutputRangeCenterVolts = (OutputHighRangeVolts + OutputLowRangeVolts) / 2.f;
+#if defined(METAMODULE_PCB_VERSION) && (METAMODULE_PCB_VERSION == 12)
+static inline constexpr float OutputMaxVolts = 10.4f;
+#else
+static inline constexpr float OutputMaxVolts = 8.59f;
+#endif