diff --git a/grc/PicoSDR-WBFM.grc b/grc/PicoSDR-WBFM.grc
index 8eb202c..c46ec39 100644
--- a/grc/PicoSDR-WBFM.grc
+++ b/grc/PicoSDR-WBFM.grc
@@ -115,24 +115,6 @@ blocks:
     coordinate: [704, 384.0]
     rotation: 0
     state: true
-- name: blocks_add_xx_0
-  id: blocks_add_xx
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    num_inputs: '2'
-    type: float
-    vlen: '1'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [704, 456.0]
-    rotation: 0
-    state: true
 - name: blocks_interleaved_short_to_complex_0
   id: blocks_interleaved_short_to_complex
   parameters:
@@ -488,7 +470,7 @@ blocks:
     alpha8: '1.0'
     alpha9: '1.0'
     axislabels: 'True'
-    bw: samp_rate // 4
+    bw: samp_rate // 2
     color1: '0'
     color10: '0'
     color2: '0'
@@ -521,7 +503,7 @@ blocks:
     maxoutbuf: '0'
     minoutbuf: '0'
     name: '"Audio"'
-    nconnections: '1'
+    nconnections: '2'
     showports: 'False'
     type: float
     update_time: 1/30
@@ -530,7 +512,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [864, 440.0]
+    coordinate: [704, 456.0]
     rotation: 0
     state: true
 - name: qtgui_waterfall_sink_x_0_0_0_0
@@ -599,10 +581,9 @@ connections:
 - [analog_quadrature_demod_cf_0, '0', qtgui_time_sink_x_0_0, '0']
 - [analog_quadrature_demod_cf_0, '0', qtgui_waterfall_sink_x_0_0_0_0, '0']
 - [analog_wfm_rcv_pll_0, '0', audio_sink_0, '0']
-- [analog_wfm_rcv_pll_0, '0', blocks_add_xx_0, '0']
+- [analog_wfm_rcv_pll_0, '0', qtgui_waterfall_sink_x_0_0_0, '0']
 - [analog_wfm_rcv_pll_0, '1', audio_sink_0, '1']
-- [analog_wfm_rcv_pll_0, '1', blocks_add_xx_0, '1']
-- [blocks_add_xx_0, '0', qtgui_waterfall_sink_x_0_0_0, '0']
+- [analog_wfm_rcv_pll_0, '1', qtgui_waterfall_sink_x_0_0_0, '1']
 - [blocks_interleaved_short_to_complex_0, '0', analog_quadrature_demod_cf_0, '0']
 - [blocks_interleaved_short_to_complex_0, '0', analog_wfm_rcv_pll_0, '0']
 - [blocks_interleaved_short_to_complex_0, '0', blocks_probe_rate_0, '0']