diff --git a/firmware/application/Makefile b/firmware/application/Makefile
index e0c778b6..d44e7437 100755
--- a/firmware/application/Makefile
+++ b/firmware/application/Makefile
@@ -168,6 +168,7 @@ CPPSRC = main.cpp \
          ui_spectrum.cpp \
          receiver_model.cpp \
          spectrum_color_lut.cpp \
+         app_analog_audio.cpp \
          ais_baseband.cpp \
          app_ais.cpp \
          app_tpms.cpp \
diff --git a/firmware/application/app_analog_audio.cpp b/firmware/application/app_analog_audio.cpp
new file mode 100644
index 00000000..185ce780
--- /dev/null
+++ b/firmware/application/app_analog_audio.cpp
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "app_analog_audio.hpp"
+
+#include "portapack.hpp"
+using namespace portapack;
+
+#include "utility.hpp"
+
+AnalogAudioModel::AnalogAudioModel(ReceiverModel::Mode mode) {
+	receiver_model.set_baseband_configuration({
+		.mode = toUType(mode),
+		.sampling_rate = 3072000,
+		.decimation_factor = 4,
+	});
+	receiver_model.set_baseband_bandwidth(1750000);
+}
diff --git a/firmware/application/app_analog_audio.hpp b/firmware/application/app_analog_audio.hpp
index 4a620f2c..1303a05e 100644
--- a/firmware/application/app_analog_audio.hpp
+++ b/firmware/application/app_analog_audio.hpp
@@ -24,18 +24,10 @@
 
 #include "receiver_model.hpp"
 #include "ui_spectrum.hpp"
-#include "utility.hpp"
 
 class AnalogAudioModel {
 public:
-	AnalogAudioModel(ReceiverModel::Mode mode) {
-		receiver_model.set_baseband_configuration({
-			.mode = toUType(mode),
-			.sampling_rate = 3072000,
-			.decimation_factor = 4,
-		});
-		receiver_model.set_baseband_bandwidth(1750000);
-	}
+	AnalogAudioModel(ReceiverModel::Mode mode);
 };
 
 namespace ui {