diff --git a/src/auracast/server/multicast_frontend.py b/src/auracast/server/multicast_frontend.py
index e6f0d80..90c4e00 100644
--- a/src/auracast/server/multicast_frontend.py
+++ b/src/auracast/server/multicast_frontend.py
@@ -198,33 +198,64 @@ else:
     start_stream, stop_stream = render_stream_controls(is_streaming, "Start Auracast", "Stop Auracast", running_mode, secondary_is_streaming)
 
 # Analog gain control (only for Analog mode, placed below start button)
-analog_gain_db = 0  # default (dB)
+analog_gain_db_left = 0  # default (dB)
+analog_gain_db_right = 0  # default (dB)
 if audio_mode == "Analog":
-    if '_analog_gain_db' not in st.session_state:
-        saved_analog_gain_db = saved_settings.get('analog_gain_db_left', 0)
-        st.session_state['_analog_gain_db'] = max(-12, min(18, int(saved_analog_gain_db)))
-    analog_gain_db = st.slider(
-        "Analog Input Gain",
-        min_value=-12,
-        max_value=18,
-        key='_analog_gain_db',
-        step=1,
-        format="%d dB",
-        help="ADC gain level for analog inputs (-12 to 18 dB). Default is 0 dB."
+    if '_analog_gain_db_left' not in st.session_state:
+        st.session_state['_analog_gain_db_left'] = max(-12, min(18, int(saved_settings.get('analog_gain_db_left', 0))))
+    if '_analog_gain_db_right' not in st.session_state:
+        st.session_state['_analog_gain_db_right'] = max(-12, min(18, int(saved_settings.get('analog_gain_db_right', 0))))
+    if '_gain_link_channels' not in st.session_state:
+        st.session_state['_gain_link_channels'] = True
+
+    link_channels = st.checkbox(
+        "Link audio channel gain",
+        key='_gain_link_channels',
+        help="When enabled, Ch 2 mirrors Ch 1."
     )
-    # Apply gain live while streaming whenever the slider value changes
+    _gain_col1, _gain_col2 = st.columns(2)
+    with _gain_col1:
+        analog_gain_db_left = st.slider(
+            "Ch 1 Input Gain",
+            min_value=-12,
+            max_value=18,
+            key='_analog_gain_db_left',
+            step=1,
+            format="%d dB",
+            help="ADC gain for channel 1 (-12 to 18 dB). Default is 0 dB."
+        )
+    with _gain_col2:
+        if link_channels:
+            st.session_state['_analog_gain_db_right'] = analog_gain_db_left
+        elif st.session_state.get('_prev_gain_link_channels', True):
+            # Transition: just unlinked — seed Ch 2 from Ch 1 so it doesn't jump to min
+            st.session_state['_analog_gain_db_right'] = analog_gain_db_left
+        st.session_state['_prev_gain_link_channels'] = link_channels
+        analog_gain_db_right = st.slider(
+            "Ch 2 Input Gain",
+            min_value=-12,
+            max_value=18,
+            key='_analog_gain_db_right',
+            step=1,
+            format="%d dB",
+            disabled=link_channels,
+            help="Uncheck 'Link audio channel gain' to adjust Ch 2 independently." if link_channels else "ADC gain for channel 2 (-12 to 18 dB). Default is 0 dB."
+        )
+    # Apply gain live while streaming whenever either slider value changes
     if is_streaming:
-        prev_gain = st.session_state.get('_prev_analog_gain_db')
-        if prev_gain != analog_gain_db:
+        prev_left = st.session_state.get('_prev_analog_gain_db_left')
+        prev_right = st.session_state.get('_prev_analog_gain_db_right')
+        if prev_left != analog_gain_db_left or prev_right != analog_gain_db_right:
             try:
                 requests.post(
                     f"{BACKEND_URL}/adc_gain",
-                    json={"gain_db_left": analog_gain_db, "gain_db_right": analog_gain_db},
+                    json={"gain_db_left": analog_gain_db_left, "gain_db_right": analog_gain_db_right},
                     timeout=1,
                 )
             except Exception:
                 pass
-        st.session_state['_prev_analog_gain_db'] = analog_gain_db
+        st.session_state['_prev_analog_gain_db_left'] = analog_gain_db_left
+        st.session_state['_prev_analog_gain_db_right'] = analog_gain_db_right
 
 # Audio level monitor (checkbox, not persisted across reloads)
 show_level_monitor = st.checkbox("Audio level monitor", value=False, disabled=not is_streaming,
@@ -682,8 +713,8 @@ else:
                     'immediate_rendering': immediate_rendering2,
                     'presentation_delay_ms': presentation_delay_ms2,
                     'qos_preset': qos_preset2,
-                    'analog_gain_db_left': analog_gain_db,
-                    'analog_gain_db_right': analog_gain_db,
+                    'analog_gain_db_left': analog_gain_db_left,
+                    'analog_gain_db_right': analog_gain_db_right,
                 }
 
         radio1_cfg = {
@@ -699,8 +730,8 @@ else:
             'presentation_delay_ms': presentation_delay_ms1,
             'qos_preset': qos_preset1,
             'stereo_mode': stereo_enabled,
-            'analog_gain_db_left': analog_gain_db,
-            'analog_gain_db_right': analog_gain_db,
+            'analog_gain_db_left': analog_gain_db_left,
+            'analog_gain_db_right': analog_gain_db_right,
         }
 
     if audio_mode == "Network - Dante":