diff --git a/ashost.py b/ashost.py
index 1837c13..1eeeead 100644
--- a/ashost.py
+++ b/ashost.py
@@ -145,9 +145,18 @@ def main_run():
     devices_out = remove_through_ports(devices_out)
     print("Available MIDI input devices:", devices_in)
 
+    base_frequency = 130  # Starting frequency in Hz
+    increment = 50  # Frequency increment for each device
+
     for i in range(len(devices_out)):
-        #Try to communicate nr of devices via 3,5 output of raspi
-        os.system(f'speaker-test -t sine -f 44{i*10} -l 1')
+        # Calculate the frequency for the current device
+        frequency = base_frequency + (i * increment)
+
+        # Play the beep sound with the calculated frequency
+        os.system(f'speaker-test -t sine -f {frequency} -l 1')
+
+        # Add a small delay to separate the beeps
+        time.sleep(1)
 
     # Listen for devices that send start and return the host name
     midi_host_in = determine_host(devices_in)