diff --git a/tests/bsim/bluetooth/audio/overlay-bt_ll_sw_split.conf b/tests/bsim/bluetooth/audio/overlay-bt_ll_sw_split.conf
index adf5c628b4c..ea37e1be3ed 100644
--- a/tests/bsim/bluetooth/audio/overlay-bt_ll_sw_split.conf
+++ b/tests/bsim/bluetooth/audio/overlay-bt_ll_sw_split.conf
@@ -1,31 +1,74 @@
-# Controller Settings
-CONFIG_BT_CTLR_SCAN_DATA_LEN_MAX=255
+# Controller
+CONFIG_BT_LL_SW_SPLIT=y
+
+# Rx ACL and Adv Reports
+CONFIG_BT_CTLR_RX_BUFFERS=9
+CONFIG_BT_CTLR_DATA_LENGTH_MAX=251
+
+# Coded PHY support
+CONFIG_BT_CTLR_PHY_CODED=y
+
+# Advertising Sets and Extended Scanning
+CONFIG_BT_CTLR_ADV_EXT=y
+CONFIG_BT_CTLR_ADV_SET=3
 CONFIG_BT_CTLR_ADV_DATA_LEN_MAX=191
+CONFIG_BT_CTLR_SCAN_DATA_LEN_MAX=1650
 
 # Controller advanced options
 CONFIG_BT_CTLR_ADVANCED_FEATURES=y
+CONFIG_BT_CTLR_ADV_AUX_SET=3
+CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK=y
+CONFIG_BT_CTLR_ADV_SYNC_SET=3
+CONFIG_BT_CTLR_ADV_SYNC_PDU_BACK2BACK=y
+CONFIG_BT_CTLR_ADV_DATA_BUF_MAX=6
+
+# Increase the below to receive interleaved advertising chains
+CONFIG_BT_CTLR_SCAN_AUX_SET=1
+# CONFIG_BT_CTLR_SCAN_AUX_USE_CHAINS=y
+# CONFIG_BT_CTLR_SCAN_AUX_CHAIN_COUNT=1
+
 CONFIG_BT_CTLR_ADV_RESERVE_MAX=n
+CONFIG_BT_CTLR_ADV_ISO_RESERVE_MAX=y
+CONFIG_BT_CTLR_SCAN_AUX_SYNC_RESERVE_MIN=y
+CONFIG_BT_CTLR_SYNC_PERIODIC_SKIP_ON_SCAN_AUX=n
+CONFIG_BT_CTLR_SYNC_ISO_RESERVE_MAX=n
 CONFIG_BT_CTLR_CENTRAL_RESERVE_MAX=n
+CONFIG_BT_CTLR_PERIPHERAL_RESERVE_MAX=n
+CONFIG_BT_CTLR_PERIPHERAL_ISO_RESERVE_MAX=n
+CONFIG_BT_CTLR_EVENT_OVERHEAD_RESERVE_MAX=y
 CONFIG_BT_CTLR_SLOT_RESERVATION_UPDATE=n
 CONFIG_BT_CTLR_SCAN_UNRESERVED=y
 CONFIG_BT_TICKER_NEXT_SLOT_GET_MATCH=y
 CONFIG_BT_TICKER_EXT=y
 CONFIG_BT_TICKER_EXT_SLOT_WINDOW_YIELD=y
 
+# Control Procedure
+CONFIG_BT_CTLR_LLCP_LOCAL_PROC_CTX_BUF_NUM=6
+
 # ISO Broadcaster Controller
+CONFIG_BT_CTLR_ADV_EXT=y
+CONFIG_BT_CTLR_ADV_PERIODIC=y
+CONFIG_BT_CTLR_SYNC_TRANSFER_SENDER=y
 CONFIG_BT_CTLR_ADV_ISO=y
-CONFIG_BT_CTLR_ADV_ISO_PDU_LEN_MAX=247
-CONFIG_BT_CTLR_ADV_ISO_STREAM_MAX=2
+CONFIG_BT_CTLR_ADV_ISO_SET=1
 CONFIG_BT_CTLR_ADV_ISO_STREAM_COUNT=2
+CONFIG_BT_CTLR_ADV_ISO_STREAM_MAX=2
+CONFIG_BT_CTLR_ADV_ISO_PDU_LEN_MAX=247
 
 # ISO Receive Controller
+CONFIG_BT_CTLR_ADV_EXT=y
+CONFIG_BT_CTLR_SYNC_PERIODIC=y
+CONFIG_BT_CTLR_SYNC_TRANSFER_RECEIVER=y
 CONFIG_BT_CTLR_SYNC_ISO=y
-CONFIG_BT_CTLR_SYNC_ISO_PDU_LEN_MAX=251
+CONFIG_BT_CTLR_SCAN_SYNC_ISO_SET=1
+CONFIG_BT_CTLR_SYNC_ISO_STREAM_COUNT=2
 CONFIG_BT_CTLR_SYNC_ISO_STREAM_MAX=2
+CONFIG_BT_CTLR_SYNC_ISO_PDU_LEN_MAX=251
 
 # ISO Connection Oriented
 CONFIG_BT_CTLR_CENTRAL_ISO=y
 CONFIG_BT_CTLR_PERIPHERAL_ISO=y
+CONFIG_BT_CTLR_CONN_ISO_GROUPS=1
 CONFIG_BT_CTLR_CONN_ISO_STREAMS=2
 CONFIG_BT_CTLR_CONN_ISO_STREAMS_PER_GROUP=2
 CONFIG_BT_CTLR_CONN_ISO_SDU_LEN_MAX=247
@@ -33,13 +76,16 @@ CONFIG_BT_CTLR_CONN_ISO_PDU_LEN_MAX=251
 CONFIG_BT_CTLR_CONN_ISO_LOW_LATENCY_POLICY=y
 
 # ISO Transmissions
-CONFIG_BT_ISO_TX_MTU=310
-CONFIG_BT_ISO_TX_BUF_COUNT=4
+CONFIG_BT_CTLR_ISOAL_SOURCES=2
 CONFIG_BT_CTLR_ISO_TX_BUFFERS=8
 CONFIG_BT_CTLR_ISO_TX_BUFFER_SIZE=255
-CONFIG_BT_CTLR_ISOAL_SOURCES=2
 
 # ISO Receptions
-CONFIG_BT_ISO_RX_MTU=310
-CONFIG_BT_CTLR_ISO_RX_BUFFERS=8
 CONFIG_BT_CTLR_ISOAL_SINKS=2
+CONFIG_BT_CTLR_ISO_RX_BUFFERS=8
+
+# Tx Power Dynamic Control
+CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL=y
+
+# Ignore HCI ISO data Tx sequence numbers
+# CONFIG_BT_CTLR_ISOAL_PSN_IGNORE=y