diff --git a/xrd.py b/xrd.py
index 4e3e0a4..4407545 100644
--- a/xrd.py
+++ b/xrd.py
@@ -38,11 +38,11 @@ def freq_allowed(freq: int):
     return True
 
 def init_tef():
-    p = I2CPCClient(DEVICE)
+    p = I2CPCClient(DEVICE, int(os.getenv("BAUD") or 0) or 115200)
     tef = TEF6686(p)
     tef.init(clock=CLOCK)
     tef.AUDIO_Set_Mute(False)
-    tef.AUDIO_Set_Volume(45)
+    tef.AUDIO_Set_Volume(30)
     tef.FM_Tune_To(1, INITIAL_FREQ)
     tef.FM_Set_RDS(1)
     tef.FM_Set_ChannelEqualizer(INITIAL_EQ)
@@ -273,6 +273,6 @@ def run_server():
                         except ConnectionAbortedError: break
                         except BlockingIOError:
                             run_periodic(tef, conn, state)
-                            time.sleep(0.015)
+                            time.sleep(0.025)
 
 if __name__ == "__main__": run_server()
\ No newline at end of file