diff --git a/firmware/common/dsp_fir_taps.hpp b/firmware/common/dsp_fir_taps.hpp
index 7ce8bd29..535809b8 100644
--- a/firmware/common/dsp_fir_taps.hpp
+++ b/firmware/common/dsp_fir_taps.hpp
@@ -189,26 +189,30 @@ constexpr fir_taps_real<32> taps_6k0_decim_2 {
 	} },
 };
 
+// Channel filter: fs=12000, pass=3000, stop=3300, decim=1, fout=12000
+/* NOTE: Slightly less than 1.0 gain (normalized to 65536) due to max(taps) being
+ * slightly larger than 32767 (33312).
+ */
 constexpr fir_taps_complex<64> taps_6k0_dsb_channel {
 	.pass_frequency_normalized = 3000.0f / 12000.0f,
 	.stop_frequency_normalized = 3300.0f / 12000.0f,
 	.taps = { {
-		{    -70,      0 }, {   -142,      0 }, {    121,      0 }, {     90,      0 },
-		{   -134,      0 }, {   -136,      0 }, {    200,      0 }, {    170,      0 },
-		{   -278,      0 }, {   -209,      0 }, {    378,      0 }, {    251,      0 },
-		{   -505,      0 }, {   -294,      0 }, {    665,      0 }, {    336,      0 },
-		{   -868,      0 }, {   -378,      0 }, {   1131,      0 }, {    417,      0 },
-		{  -1479,      0 }, {   -453,      0 }, {   1965,      0 }, {    484,      0 },
-		{  -2698,      0 }, {   -510,      0 }, {   3967,      0 }, {    528,      0 },
-		{  -6829,      0 }, {   -540,      0 }, {  20819,      0 }, {  32767,      0 }, /* TODO: Saturated peak! Originally 33312. */
-		{  20819,      0 }, {   -540,      0 }, {  -6829,      0 }, {    528,      0 },
-		{   3967,      0 }, {   -510,      0 }, {  -2698,      0 }, {    484,      0 },
-		{   1965,      0 }, {   -453,      0 }, {  -1479,      0 }, {    417,      0 },
-		{   1131,      0 }, {   -378,      0 }, {   -868,      0 }, {    336,      0 },
-		{    665,      0 }, {   -294,      0 }, {   -505,      0 }, {    251,      0 },
-		{    378,      0 }, {   -209,      0 }, {   -278,      0 }, {    170,      0 },
-		{    200,      0 }, {   -136,      0 }, {   -134,      0 }, {     90,      0 },
-		{    121,      0 }, {   -142,      0 }, {    -70,      0 }, {      0,      0 },
+		{    -69,      0 }, {   -140,      0 }, {    119,      0 }, {     89,      0 },
+		{   -132,      0 }, {   -134,      0 }, {    197,      0 }, {    167,      0 },
+		{   -273,      0 }, {   -206,      0 }, {    372,      0 }, {    247,      0 },
+		{   -497,      0 }, {   -289,      0 }, {    654,      0 }, {    331,      0 },
+		{   -854,      0 }, {   -372,      0 }, {   1112,      0 }, {    411,      0 },
+		{  -1455,      0 }, {   -446,      0 }, {   1933,      0 }, {    476,      0 },
+		{  -2654,      0 }, {   -501,      0 }, {   3902,      0 }, {    520,      0 },
+		{  -6717,      0 }, {   -531,      0 }, {  20478,      0 }, {  32767,      0 },
+		{  20478,      0 }, {   -531,      0 }, {  -6717,      0 }, {    520,      0 },
+		{   3902,      0 }, {   -501,      0 }, {  -2654,      0 }, {    476,      0 },
+		{   1933,      0 }, {   -446,      0 }, {  -1455,      0 }, {    411,      0 },
+		{   1112,      0 }, {   -372,      0 }, {   -854,      0 }, {    331,      0 },
+		{    654,      0 }, {   -289,      0 }, {   -497,      0 }, {    247,      0 },
+		{    372,      0 }, {   -206,      0 }, {   -273,      0 }, {    167,      0 },
+		{    197,      0 }, {   -134,      0 }, {   -132,      0 }, {     89,      0 },
+		{    119,      0 }, {   -140,      0 }, {    -69,      0 }, {      0,      0 },
 	} },
 };