diff --git a/source/hardware/controllers/dj_tech_cdj_101.rst b/source/hardware/controllers/dj_tech_cdj_101.rst
index 2d67ba878..eaf658b98 100644
--- a/source/hardware/controllers/dj_tech_cdj_101.rst
+++ b/source/hardware/controllers/dj_tech_cdj_101.rst
@@ -1,7 +1,7 @@
 DJ Tech CDJ 101
 ===============
 
-`DJ Tech <http://www.djtechpro.com/eng/index.php>`__ is not to be
+`DJ Tech <https://web.archive.org/web/20221007133801/http://www.djtechpro.com/eng/index.php>`__ is not to be
 confused with `DJ TechTools <http://djtechtools.com/>`__, the makers of
 the MIDI Fighter series, Chroma Cables, and Chroma Caps. There is no
 (longer) a product page for this discontinued device.
diff --git a/source/hardware/controllers/dj_tech_djm_101.rst b/source/hardware/controllers/dj_tech_djm_101.rst
index a2bc3f96b..e1c6db48c 100644
--- a/source/hardware/controllers/dj_tech_djm_101.rst
+++ b/source/hardware/controllers/dj_tech_djm_101.rst
@@ -1,7 +1,7 @@
 DJ Tech DJM 101
 ===============
 
-`DJ Tech <http://www.djtechpro.com/eng/index.php>`__ is not to be
+`DJ Tech <https://web.archive.org/web/20221007133801/http://www.djtechpro.com/eng/index.php>`__ is not to be
 confused with `DJ TechTools <http://djtechtools.com/>`__, the makers of
 the MIDI Fighter series, Chroma Cables, and Chroma Caps. There is no
 (longer) a product page for this discontinued device.
diff --git a/source/hardware/controllers/dj_tech_imix_reload.rst b/source/hardware/controllers/dj_tech_imix_reload.rst
index d485f63f9..90c3c871a 100644
--- a/source/hardware/controllers/dj_tech_imix_reload.rst
+++ b/source/hardware/controllers/dj_tech_imix_reload.rst
@@ -1,7 +1,7 @@
 DJ Tech iMix Reload
 ===================
 
-`DJ Tech <http://www.djtechpro.com/eng/index.php>`__ is not to be
+`DJ Tech <https://web.archive.org/web/20221007133801/http://www.djtechpro.com/eng/index.php>`__ is not to be
 confused with `DJ TechTools <http://djtechtools.com/>`__, the makers of
 the MIDI Fighter series, Chroma Cables, and Chroma Caps. There is no
 (longer) a product page for this discontinued device.
diff --git a/source/hardware/controllers/dj_tech_kontrol_one.rst b/source/hardware/controllers/dj_tech_kontrol_one.rst
index c1ce0ee77..e48e6942a 100644
--- a/source/hardware/controllers/dj_tech_kontrol_one.rst
+++ b/source/hardware/controllers/dj_tech_kontrol_one.rst
@@ -1,7 +1,7 @@
 DJ Tech Kontrol One
 ===================
 
-`DJ Tech <http://www.djtechpro.com/eng/index.php>`__ is not to be
+`DJ Tech <https://web.archive.org/web/20221007133801/http://www.djtechpro.com/eng/index.php>`__ is not to be
 confused with `DJ TechTools <http://djtechtools.com/>`__, the makers of
 the MIDI Fighter series, Chroma Cables, and Chroma Caps. There is no
 (longer) a product page for this discontinued device.
diff --git a/source/hardware/controllers/dj_tech_mixer_one.rst b/source/hardware/controllers/dj_tech_mixer_one.rst
index c3ba73808..2dfb9af6f 100644
--- a/source/hardware/controllers/dj_tech_mixer_one.rst
+++ b/source/hardware/controllers/dj_tech_mixer_one.rst
@@ -1,12 +1,10 @@
 DJ Tech Mixer One
 =================
 
-`DJ Tech <http://www.djtechpro.com/eng/index.php>`__ is not to be
+`DJ Tech <https://web.archive.org/web/20221007133801/http://www.djtechpro.com/eng/index.php>`__ is not to be
 confused with `DJ TechTools <http://djtechtools.com/>`__, the makers of
 the MIDI Fighter series, Chroma Cables, and Chroma Caps.
 
--  `Manufacturer’s product page <http://www.djtechpro.com/eng/product-details.php?id=10>`__
-
 .. versionadded:: 1.10.1
 
 .. note::
diff --git a/source/hardware/controllers/pioneer_ddj_400.rst b/source/hardware/controllers/pioneer_ddj_400.rst
index 0d36cedcf..b1e62680d 100644
--- a/source/hardware/controllers/pioneer_ddj_400.rst
+++ b/source/hardware/controllers/pioneer_ddj_400.rst
@@ -18,7 +18,7 @@ Pioneer DDJ-400
 The Pioneer DDJ-400 is a 2 deck USB controller with an integrated audio interface
 designed for rekordbox.
 
-- `Manufacturer's Product Page <https://www.pioneerdj.com/en/product/controller/archive/ddj-400/gold/overview/>`__
+- `Manufacturer's Product Page <https://www.pioneerdj.com/en/product/controller/ddj-400/black/overview/>`__
 - `Midi Mappings <https://www.pioneerdj.com/-/media/pioneerdj/software-info/controller/ddj-400/ddj-400_midi_message_list_e1.pdf>`__
 - `Hardware Diagram <https://www.pioneerdj.com/-/media/pioneerdj/software-info/controller/ddj-400/ddj-400_hardwarediagram_rekordboxdj_e1.pdf>`__
 - `Mapping Forum Thread <https://mixxx.discourse.group/t/pioneer-ddj-400/17476>`__