diff --git a/lib/libmixer/Makefile b/lib/libmixer/Makefile
--- a/lib/libmixer/Makefile
+++ b/lib/libmixer/Makefile
@@ -22,6 +22,7 @@
 MLINKS+=	mixer.3 mixer_set_dunit.3
 MLINKS+=	mixer.3 mixer_get_mode.3
 MLINKS+=	mixer.3 mixer_get_nmixers.3
+MLINKS+=	mixer.3 mixer_get_path.3
 MLINKS+=	mixer.3 MIX_ISDEV.3
 MLINKS+=	mixer.3 MIX_ISMUTE.3
 MLINKS+=	mixer.3 MIX_ISREC.3
diff --git a/lib/libmixer/Symbol.map b/lib/libmixer/Symbol.map
--- a/lib/libmixer/Symbol.map
+++ b/lib/libmixer/Symbol.map
@@ -19,3 +19,7 @@
 	mixer_get_mode;
 	mixer_get_nmixers;
 };
+
+FBSD_1.8 {
+	mixer_get_path;
+};
diff --git a/lib/libmixer/mixer.h b/lib/libmixer/mixer.h
--- a/lib/libmixer/mixer.h
+++ b/lib/libmixer/mixer.h
@@ -115,6 +115,7 @@
 int mixer_set_dunit(struct mixer *, int);
 int mixer_get_mode(int);
 int mixer_get_nmixers(void);
+int mixer_get_path(char *, size_t, int);
 
 __END_DECLS
 
diff --git a/lib/libmixer/mixer.3 b/lib/libmixer/mixer.3
--- a/lib/libmixer/mixer.3
+++ b/lib/libmixer/mixer.3
@@ -20,7 +20,7 @@
 .\" THE SOFTWARE.
 .\"
 
-.Dd January 19, 2023
+.Dd May 20, 2024
 .Dt MIXER 3
 .Os
 .Sh NAME
@@ -40,6 +40,7 @@
 .Nm mixer_set_dunit ,
 .Nm mixer_get_mode ,
 .Nm mixer_get_nmixers ,
+.Nm mixer_get_path ,
 .Nm MIX_ISDEV ,
 .Nm MIX_ISMUTE ,
 .Nm MIX_ISREC ,
@@ -86,6 +87,8 @@
 .Ft int
 .Fn mixer_get_nmixers "void"
 .Ft int
+.Fn mixer_get_path "char * buf" "size_t size" "int unit"
+.Ft int
 .Fn MIX_ISDEV "struct mixer *m" "int devno"
 .Ft int
 .Fn MIX_ISMUTE "struct mixer *m" "int devno"
@@ -398,6 +401,18 @@
 function returns the total number of mixer devices in the system.
 .Pp
 The
+.Fn mixer_get_path
+function writes the path of the mixer device specified in the
+.Ar unit
+argument to the buffer specified in
+.Ar buf .
+.Ar unit
+can be either -1, in which case
+.Fn mixer_get_path
+will fetch the path of the default mixer, or between 0 and the maximum mixer
+unit.
+.Pp
+The
 .Fn MIX_ISDEV
 macro checks if a device is actually a valid device for a given mixer.
 It is very unlikely that this macro will ever be needed since the library \
@@ -467,9 +482,10 @@
 .Fn mixer_set_mute ,
 .Fn mixer_mod_recsrc ,
 .Fn mixer_get_dunut ,
-.Fn mixer_set_dunit
+.Fn mixer_set_dunit ,
+.Fn mixer_get_nmixers ,
 and
-.Fn mixer_get_nmixers
+.Fn mixer_get_path
 functions return 0 or positive values on success and -1 on failure.
 .Pp
 The
@@ -539,6 +555,22 @@
 
 (void)mixer_close(m);
 .Ed
+.Ss Loop through all mixer devices in the system
+.Bd -literal
+struct mixer *m;
+char buf[NAME_MAX];
+int n;
+
+if ((n = mixer_get_nmixers()) < 0)
+	errx(1, "no mixers present in the system");
+for (i = 0; i < n; i++) {
+	(void)mixer_get_path(buf, sizeof(buf), i);
+	if ((m = mixer_open(buf)) == NULL)
+		continue;
+	...
+	(void)mixer_close(m);
+}
+.Ed
 .Sh SEE ALSO
 .Xr queue 3 ,
 .Xr sysctl 3 ,
diff --git a/lib/libmixer/mixer.c b/lib/libmixer/mixer.c
--- a/lib/libmixer/mixer.c
+++ b/lib/libmixer/mixer.c
@@ -493,3 +493,25 @@
 
 	return (si.nummixers);
 }
+
+/*
+ * Get the full path to a mixer device.
+ */
+int
+mixer_get_path(char *buf, size_t size, int unit)
+{
+	if (size < strlen(BASEPATH)) {
+		errno = ENOMEM;
+		return (-1);
+	}
+	if (!(unit == -1 || (unit >= 0 && unit < mixer_get_nmixers()))) {
+		errno = EINVAL;
+		return (-1);
+	}
+	if (unit == -1)
+		(void)strlcpy(buf, BASEPATH, size);
+	else
+		(void)snprintf(buf, size, BASEPATH "%d", unit);
+
+	return (0);
+}