diff --git a/hwdb.d/80-ieee1394-unit-function.hwdb b/hwdb.d/80-ieee1394-unit-function.hwdb
index 0c12857d8d..b6692f3212 100644
--- a/hwdb.d/80-ieee1394-unit-function.hwdb
+++ b/hwdb.d/80-ieee1394-unit-function.hwdb
@@ -697,3 +697,45 @@ ieee1394:ven00000166mo00000022sp00000166ver00000001
   ID_MODEL_FROM_DATABASE=Studio Konnekt 48
   IEEE1394_UNIT_FUNCTION_MIDI=1
   IEEE1394_UNIT_FUNCTION_AUDIO=1
+
+ieee1394:node:ven0x001c6amo0x000001units0x001c6a:0x000001
+ieee1394:ven00001C6Amo00000001sp00001C6Aver00000001
+  ID_VENDOR_FROM_DATABASE=Weiss Engineering
+  ID_MODEL_FROM_DATABASE=ADC2
+  IEEE1394_UNIT_FUNCTION_AUDIO=1
+
+ieee1394:node:ven0x001c6amo0x000002units0x001c6a:0x000001
+ieee1394:ven00001C6Amo00000002sp00001C6Aver00000001
+  ID_VENDOR_FROM_DATABASE=Weiss Engineering
+  ID_MODEL_FROM_DATABASE=Vesta
+  IEEE1394_UNIT_FUNCTION_AUDIO=1
+
+ieee1394:node:ven0x001c6amo0x000003units0x001c6a:0x000001
+ieee1394:ven00001C6Amo00000003sp00001C6Aver00000001
+  ID_VENDOR_FROM_DATABASE=Weiss Engineering
+  ID_MODEL_FROM_DATABASE=Minerva
+  IEEE1394_UNIT_FUNCTION_AUDIO=1
+
+ieee1394:node:ven0x001c6amo0x000004units0x001c6a:0x000001
+ieee1394:ven00001C6Amo00000004sp00001C6Aver00000001
+  ID_VENDOR_FROM_DATABASE=Weiss Engineering
+  ID_MODEL_FROM_DATABASE=AFI1
+  IEEE1394_UNIT_FUNCTION_AUDIO=1
+
+ieee1394:node:ven0x001c6amo0x000005units0x001c6a:0x000001
+ieee1394:ven00001C6Amo00000005sp00001C6Aver00000001
+  ID_VENDOR_FROM_DATABASE=Weiss Engineering
+  ID_MODEL_FROM_DATABASE=DAC1
+  IEEE1394_UNIT_FUNCTION_AUDIO=1
+
+ieee1394:node:ven0x001c6amo0x000006units0x001c6a:0x000001
+ieee1394:ven00001C6Amo00000006sp00001C6Aver00000001
+  ID_VENDOR_FROM_DATABASE=Weiss Engineering
+  ID_MODEL_FROM_DATABASE=INT202
+  IEEE1394_UNIT_FUNCTION_AUDIO=1
+
+ieee1394:node:ven0x001c6amo0x000007units0x001c6a:0x000001
+ieee1394:ven00001C6Amo00000007sp00001C6Aver00000001
+  ID_VENDOR_FROM_DATABASE=Weiss Engineering
+  ID_MODEL_FROM_DATABASE=DAC202
+  IEEE1394_UNIT_FUNCTION_AUDIO=1