diff --git a/audio/felix/config/mixer_paths.xml b/audio/felix/config/mixer_paths.xml
index 0b7f681..c9ed428 100644
--- a/audio/felix/config/mixer_paths.xml
+++ b/audio/felix/config/mixer_paths.xml
@@ -124,9 +124,9 @@
 
     <!-- Cirrus fast switch init -->
     <ctl name="Fast Use Case Switch Enable" value="0" />
-    <ctl name="Fast Use Case Delta File" value="fast_switch5.txt" />
+    <ctl name="Fast Use Case Delta File" value="fast_switch9.txt" />
     <ctl name="R Fast Use Case Switch Enable" value="0" />
-    <ctl name="R Fast Use Case Delta File" value="fast_switch5.txt" />
+    <ctl name="R Fast Use Case Delta File" value="fast_switch9.txt" />
 
     <!-- audio RX route initial/default value -->
     <ctl name="TDM_0_RX Mixer EP1" value="0"/>
@@ -670,8 +670,8 @@
    <path name="voice-speaker">
         <ctl name="ASPTX1 Slot Position" value="1"/>
         <ctl name="R ASPTX1 Slot Position" value="0"/>
-        <ctl name="Digital PCM Volume" value="841"/>
-        <ctl name="R Digital PCM Volume" value="841"/>
+        <ctl name="Digital PCM Volume" value="825"/>
+        <ctl name="R Digital PCM Volume" value="825"/>
         <ctl name="Main AMP Enable Switch" value="1"/>
         <ctl name="R Main AMP Enable Switch" value="1"/>
         <ctl name="Fast Use Case Delta File" value="fast_switch1.txt" />
diff --git a/audio/felix/cs35l41/R-cs35l41-dsp1-spk-prot.bin b/audio/felix/cs35l41/R-cs35l41-dsp1-spk-prot.bin
new file mode 100644
index 0000000..7a402b0
Binary files /dev/null and b/audio/felix/cs35l41/R-cs35l41-dsp1-spk-prot.bin differ
diff --git a/audio/felix/cs35l41/cs35l41-dsp1-spk-prot.bin b/audio/felix/cs35l41/cs35l41-dsp1-spk-prot.bin
new file mode 100644
index 0000000..a0676e1
Binary files /dev/null and b/audio/felix/cs35l41/cs35l41-dsp1-spk-prot.bin differ
diff --git a/audio/felix/cs35l41/fast_switch1.txt b/audio/felix/cs35l41/fast_switch1.txt
new file mode 100644
index 0000000..d453678
--- /dev/null
+++ b/audio/felix/cs35l41/fast_switch1.txt
@@ -0,0 +1 @@
+16,4,768,1236,419376,2162689,2294032,2,7,0,17,4134355,1395882,8388607,2,985354123
\ No newline at end of file
diff --git a/audio/felix/cs35l41/fast_switch2.txt b/audio/felix/cs35l41/fast_switch2.txt
new file mode 100644
index 0000000..bcd1b74
--- /dev/null
+++ b/audio/felix/cs35l41/fast_switch2.txt
@@ -0,0 +1 @@
+16,4,768,1236,419376,2166785,2294032,2,7,0,17,4134355,1456572,8388607,2,-1905595085
\ No newline at end of file
diff --git a/audio/felix/cs35l41/fast_switch3.txt b/audio/felix/cs35l41/fast_switch3.txt
new file mode 100644
index 0000000..c8badf2
--- /dev/null
+++ b/audio/felix/cs35l41/fast_switch3.txt
@@ -0,0 +1 @@
+16,4,768,1236,419376,2162690,2294032,2,7,4194304,17,4134355,1395882,8388607,2,-632693564
\ No newline at end of file
diff --git a/audio/felix/cs35l41/fast_switch4.txt b/audio/felix/cs35l41/fast_switch4.txt
new file mode 100644
index 0000000..67bae09
--- /dev/null
+++ b/audio/felix/cs35l41/fast_switch4.txt
@@ -0,0 +1 @@
+16,4,768,1236,419376,2166786,2294032,2,7,4194304,17,4134355,1456572,8388607,2,1855487612
\ No newline at end of file
diff --git a/audio/felix/cs35l41/fast_switch5.txt b/audio/felix/cs35l41/fast_switch5.txt
new file mode 100644
index 0000000..1b3b942
--- /dev/null
+++ b/audio/felix/cs35l41/fast_switch5.txt
@@ -0,0 +1 @@
+16,4,768,1236,419376,2162691,2294032,2,7,0,17,4409979,1395882,8388607,2,-1659281083
\ No newline at end of file
diff --git a/audio/felix/cs35l41/fast_switch6.txt b/audio/felix/cs35l41/fast_switch6.txt
new file mode 100644
index 0000000..f93014c
--- /dev/null
+++ b/audio/felix/cs35l41/fast_switch6.txt
@@ -0,0 +1 @@
+16,4,768,1236,419376,2166787,2294032,2,7,0,17,4409979,1456572,8388607,2,701023229
\ No newline at end of file
diff --git a/audio/felix/cs35l41/fast_switch7.txt b/audio/felix/cs35l41/fast_switch7.txt
new file mode 100644
index 0000000..f1387ce
--- /dev/null
+++ b/audio/felix/cs35l41/fast_switch7.txt
@@ -0,0 +1 @@
+16,4,768,1236,419376,2162692,2294032,2,7,4194304,17,4409979,1395882,8388607,2,-1385516587
\ No newline at end of file
diff --git a/audio/felix/cs35l41/fast_switch8.txt b/audio/felix/cs35l41/fast_switch8.txt
new file mode 100644
index 0000000..5177e56
--- /dev/null
+++ b/audio/felix/cs35l41/fast_switch8.txt
@@ -0,0 +1 @@
+16,4,768,1236,419376,2166788,2294032,2,7,4194304,17,4409979,1456572,8388607,2,431690605
\ No newline at end of file