diff --git a/ohmpi/hardware_components/mb_2023_0_X.py b/ohmpi/hardware_components/mb_2023_0_X.py
index 5216c77a5f92486b1422b83a01ecc8a700f0b2fd..2f68994f030158f10166afbb0710efa102db4a48 100644
--- a/ohmpi/hardware_components/mb_2023_0_X.py
+++ b/ohmpi/hardware_components/mb_2023_0_X.py
@@ -241,7 +241,7 @@ class Rx(RxAbstract):
             self.exec_logger.event(f'{self.model}\trx_init\tend\t{datetime.datetime.utcnow()}')
 
     @property
-    def gain(self):
+    def gain(self): #TODO: should be in abstract_hardware_components
         return self._adc_gain
 
     @gain.setter
diff --git a/ohmpi/hardware_components/mb_2024_0_2.py b/ohmpi/hardware_components/mb_2024_0_2.py
index 8b890d89119958d366387a7adaf31fcbe30817a4..970067d3bb7af543d49ac6aa08316910dcc4d722 100644
--- a/ohmpi/hardware_components/mb_2024_0_2.py
+++ b/ohmpi/hardware_components/mb_2024_0_2.py
@@ -99,30 +99,30 @@ class Tx(Tx_mb_2023):
         Tx_mb_2023.inject(self, polarity=polarity, injection_duration=injection_duration)
         self.pin6.value = False
 
-    # @property
-    # def pwr_state(self):
-    #     return self._pwr_state
-    #
-    # @pwr_state.setter
-    # def pwr_state(self, state, latency=4.):
-    #     """Switches pwr on or off.
-    #
-    #         Parameters
-    #         ----------
-    #         state : str
-    #             'on', 'off'
-    #         """
-    #     if state == 'on':
-    #         self.pin2.value = True
-    #         self.pin3.value = True
-    #         self.exec_logger.debug(f'Switching DPS on')
-    #         self._pwr_state = 'on'
-    #         time.sleep(latency) # from pwr specs
-    #     elif state == 'off':
-    #         self.pin2.value = False
-    #         self.pin3.value = False
-    #         self.exec_logger.debug(f'Switching DPS off')
-    #         self._pwr_state = 'off'
+    @property
+    def pwr_state(self):
+        return self._pwr_state
+
+    @pwr_state.setter
+    def pwr_state(self, state, latency=4.):
+        """Switches pwr on or off.
+
+            Parameters
+            ----------
+            state : str
+                'on', 'off'
+            """
+        if state == 'on':
+            self.pin2.value = True
+            self.pin3.value = True
+            self.exec_logger.debug(f'Switching DPS on')
+            self._pwr_state = 'on'
+            time.sleep(latency) # from pwr specs
+        elif state == 'off':
+            self.pin2.value = False
+            self.pin3.value = False
+            self.exec_logger.debug(f'Switching DPS off')
+            self._pwr_state = 'off'
 
 
 class Rx(Rx_mb_2023):
diff --git a/ohmpi/hardware_system.py b/ohmpi/hardware_system.py
index d828cb154a3728f1ca03334e97bbcdf4bf3577fd..c89b1c260fed8aff30e176c034d365a60910e0d1 100644
--- a/ohmpi/hardware_system.py
+++ b/ohmpi/hardware_system.py
@@ -446,13 +446,13 @@ class OhmPiHardware:
         if not append:
             self._clear_values()
         if self.tx.pwr_state == 'off':
-            self.tx.pwr_state('on')
+            self.tx.pwr_state = 'on'
             switch_pwr_off = True
         for i in range(n_pulses):
             self._vab_pulse(vab=vab, duration=durations[i], sampling_rate=sampling_rate, polarity=polarities[i],
                             append=True)
         if switch_pwr_off:
-            self.tx.pwr_state('off')
+            self.tx.pwr_state = 'off'
     def switch_mux(self, electrodes, roles=None, state='off', **kwargs):
         """Switches on multiplexer relays for given quadrupole.