diff --git a/FlippR-Driver/src/output/detail/SoundBoardPinController.cpp b/FlippR-Driver/src/output/detail/SoundBoardPinController.cpp
index f036345..bfa6fdf 100644
--- a/FlippR-Driver/src/output/detail/SoundBoardPinController.cpp
+++ b/FlippR-Driver/src/output/detail/SoundBoardPinController.cpp
@@ -15,7 +15,7 @@ namespace detail
 
 SoundBoardPinController::SoundBoardPinController(std::shared_ptr<std::mutex> output_item_mutex,
                                                  uint8_t fire_address,
-                                                 const std::vector<uint8_t> address_pins) :
+                                                 const std::array<uint8_t, 7> address_pins) :
   output_item_mutex{output_item_mutex},
   fire_address{fire_address},
   address_pins{address_pins}
@@ -71,7 +71,7 @@ void SoundBoardPinController::write_pin(const uint8_t &pin, const bool &value) c
     PinController::write_pin(pin, value);
 }
 
-void SoundBoardPinController::set_address_pins(std::vector<uint8_t> address_pins)
+void SoundBoardPinController::set_address_pins(std::array<uint8_t, 7> address_pins)
 {
   this->address_pins = address_pins;
 
diff --git a/FlippR-Driver/src/output/detail/SoundBoardPinController.h b/FlippR-Driver/src/output/detail/SoundBoardPinController.h
index f5f4bdc..f664e0c 100644
--- a/FlippR-Driver/src/output/detail/SoundBoardPinController.h
+++ b/FlippR-Driver/src/output/detail/SoundBoardPinController.h
@@ -19,7 +19,7 @@ namespace detail
 class SoundBoardPinController : public output::SoundBoardPinController
 {
 public:
-  explicit SoundBoardPinController(std::shared_ptr<std::mutex> output_item_mutex, uint8_t fire_address, const std::vector<uint8_t> address_pins);
+  explicit SoundBoardPinController(std::shared_ptr<std::mutex> output_item_mutex, uint8_t fire_address, const std::array<uint8_t, 7> address_pins);
   explicit SoundBoardPinController(std::shared_ptr<std::mutex> output_item_mutex);
   ~SoundBoardPinController() override = default;
 
@@ -27,7 +27,7 @@ public:
   void deactivate(const items::detail::Sound &sound);
 
   void set_fire_address(const uint8_t & fire_address);
-  void set_address_pins(const std::vector<uint8_t> address_pins);
+  void set_address_pins(const std::array<uint8_t, 7> address_pins);
 
 private:
   void write_sound_address(const uint8_t & address) const;
@@ -40,7 +40,7 @@ private:
 
   uint8_t pin_base;
   uint8_t fire_address;
-  std::vector<uint8_t> address_pins;
+  std::array<uint8_t, 7> address_pins;
 };
 
 }
diff --git a/FlippR-Driver/src/output/factories/SoundFactory.cpp b/FlippR-Driver/src/output/factories/SoundFactory.cpp
index b605d53..6927a8f 100644
--- a/FlippR-Driver/src/output/factories/SoundFactory.cpp
+++ b/FlippR-Driver/src/output/factories/SoundFactory.cpp
@@ -52,12 +52,8 @@ void SoundFactory::set_address_pins()
 {
   auto address_pins = object.at(config_path::sound_address_pins);
 
-  std::vector<uint8_t> pins;
+  std::array<uint8_t, 7> pins;
 
-  for (auto & pin_json : address_pins)
-  {
-    pins.push_back(0);
-  }
   for (auto & pin_json : address_pins)
   {
     uint8_t pin = pin_json.at(config_path::item_address).get<uint8_t>();