diff --git a/src/hcr.cpp b/src/hcr.cpp
index dc8cd90..dcaf1e6 100644
--- a/src/hcr.cpp
+++ b/src/hcr.cpp
@@ -32,31 +32,31 @@
 }; */
 
 HCRVocalizer::HCRVocalizer(const uint8_t addr, TwoWire &i2c)
-    : _i2caddr(addr), _i2c(&i2c), _serialBaud(400000)
+    : _i2caddr(addr), _i2c(&i2c), _serialBaud(400000), _wavPlayDelay(HCR_WAV_PLAY_DELAY)
 {
     connectionType=0x03;
 }
 
 HCRVocalizer::HCRVocalizer(const uint8_t addr, TwoWire &i2c, int baud)
-    : _i2caddr(addr), _i2c(&i2c), _serialBaud(baud)
+    : _i2caddr(addr), _i2c(&i2c), _serialBaud(baud), _wavPlayDelay(HCR_WAV_PLAY_DELAY)
 {
     connectionType=0x03;
 }
 
 HCRVocalizer::HCRVocalizer(HardwareSerial *conn,int baud)
-    : _serial(conn), _serialBaud(baud)
+    : _serial(conn), _serialBaud(baud), _wavPlayDelay(HCR_WAV_PLAY_DELAY)
 {
     connectionType=0x01;
 }
 
 HCRVocalizer::HCRVocalizer(SoftwareSerial *conn,int baud)
-    : _softserial(conn), _serialBaud(baud)
+    : _softserial(conn), _serialBaud(baud), _wavPlayDelay(HCR_WAV_PLAY_DELAY)
 {
     connectionType=0x02;
 }
 
 HCRVocalizer::HCRVocalizer(int rx, int tx,int baud)
-    : _serialBaud(9600)
+    : _serialBaud(9600), _wavPlayDelay(HCR_WAV_PLAY_DELAY)
 {
     #if defined(ARDUINO_ARCH_AVR) || defined(ARDUINO_ARCH_PIC32)
     connectionType=0x02;
@@ -455,7 +455,7 @@ void HCRVocalizer::PlayWAV(int ch,int fileNumber)
 
 void HCRVocalizer::PlayWAV(int ch,String file) {
     if (millis() > lastPlayWAV) {
-        lastPlayWAV = millis() + 5000;
+        lastPlayWAV = millis() + _wavPlayDelay;
         char channel[] = "VAB";
         String msg = "C" + ToString((char) channel[ch]) + file + ",QP" + ToString((char) channel[ch]);
         sendCommand(msg);
@@ -571,6 +571,11 @@ float HCRVocalizer::getVolume(int ch)
     return volume;
 }
 
+void HCRVocalizer::setWAVPlayDelay(unsigned long delay)
+{
+    _wavPlayDelay = delay;
+}
+
 String HCRVocalizer::getValue(String data, char separator, int index)
 {
   int found = 0;
diff --git a/src/hcr.h b/src/hcr.h
index aa307f9..2899547 100644
--- a/src/hcr.h
+++ b/src/hcr.h
@@ -26,6 +26,10 @@
 #define HCR_I2C_RATE 400000
 #endif
 
+#ifndef HCR_WAV_PLAY_DELAY
+#define HCR_WAV_PLAY_DELAY 5000
+#endif
+
 #define CONN_SERIAL0 0x00 //"Serial"
 #define CONN_SERIAL1 0x01 //"Serial1"
 #define CONN_SERIAL2 0x02 //"Serial2"
@@ -307,6 +311,13 @@ class HCRVocalizer
     float getVolume(int e);
     void getUpdate(void);
 
+    /**
+     * @brief Sets the delay between WAV file plays (in milliseconds)
+     * 
+     * @param delay the delay in milliseconds (default: 5000)
+     */
+    void setWAVPlayDelay(unsigned long delay);
+
     void dfPlayer();
 
 private:
@@ -347,6 +358,7 @@ class HCRVocalizer
     int Volume_V;
     int Volume_A;
     int Volume_B;
+    unsigned long _wavPlayDelay;
 };
 
 using namespace std;