diff --git a/acinclude.m4 b/acinclude.m4
index 0ded93b..3a412ac 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -88,7 +88,7 @@ AC_ARG_WITH(boxtype,
 
 AC_ARG_WITH(boxmodel,
 	AS_HELP_STRING([--with-boxmodel], [valid for generic: generic, raspi])
-AS_HELP_STRING([], [valid for armbox: hd60, hd61, multibox, multiboxse, hd51, bre2ze4k, h7, e4hdultra, osmini4k, osmio4k, osmio4kplus, vusolo4k, vuduo4k, vuduo4kse, vuultimo4k, vuuno4k, vuuno4kse, vuzero4k])
+AS_HELP_STRING([], [valid for armbox: hd60, hd61, multibox, multiboxse, hd51, bre2ze4k, h7, e4hdultra, protek4k, osmini4k, osmio4k, osmio4kplus, vusolo4k, vuduo4k, vuduo4kse, vuultimo4k, vuuno4k, vuuno4kse, vuzero4k])
 AS_HELP_STRING([], [valid for mipsbox: vuduo, vuduo2, gb800se, osnino, osninoplus, osninopro]),
 	[case "${withval}" in
 		generic|raspi)
@@ -98,7 +98,7 @@ AS_HELP_STRING([], [valid for mipsbox: vuduo, vuduo2, gb800se, osnino, osninoplu
 				AC_MSG_ERROR([unknown model $withval for boxtype $BOXTYPE])
 			fi
 		;;
-		hd60|hd61|multibox|multiboxse|hd51|bre2ze4k|h7|e4hdultra|osmini4k|osmio4k|osmio4kplus|vusolo4k|vuduo4k|vuduo4kse|vuultimo4k|vuuno4k|vuuno4kse|vuzero4k)
+		hd60|hd61|multibox|multiboxse|hd51|bre2ze4k|h7|e4hdultra|protek4k|osmini4k|osmio4k|osmio4kplus|vusolo4k|vuduo4k|vuduo4kse|vuultimo4k|vuuno4k|vuuno4kse|vuzero4k)
 			if test "$BOXTYPE" = "armbox"; then
 				BOXMODEL="$withval"
 			else
@@ -139,6 +139,7 @@ AM_CONDITIONAL(BOXMODEL_HD51, test "$BOXMODEL" = "hd51")
 AM_CONDITIONAL(BOXMODEL_BRE2ZE4K, test "$BOXMODEL" = "bre2ze4k")
 AM_CONDITIONAL(BOXMODEL_H7, test "$BOXMODEL" = "h7")
 AM_CONDITIONAL(BOXMODEL_E4HDULTRA, test "$BOXMODEL" = "e4hdultra")
+AM_CONDITIONAL(BOXMODEL_PROTEK4K, test "$BOXMODEL" = "protek4k")
 
 AM_CONDITIONAL(BOXMODEL_OSMINI4K, test "$BOXMODEL" = "osmini4k")
 AM_CONDITIONAL(BOXMODEL_OSMIO4K, test "$BOXMODEL" = "osmio4k")
@@ -194,6 +195,8 @@ elif test "$BOXMODEL" = "h7"; then
 	AC_DEFINE(BOXMODEL_H7, 1, [h7])
 elif test "$BOXMODEL" = "e4hdultra"; then
 	AC_DEFINE(BOXMODEL_E4HDULTRA, 1, [e4hdultra])
+elif test "$BOXMODEL" = "protek4k"; then
+	AC_DEFINE(BOXMODEL_PROTEK4K, 1, [protek4k])
 
 elif test "$BOXMODEL" = "osmini4k"; then
 	AC_DEFINE(BOXMODEL_OSMINI4K, 1, [osmini4k])
diff --git a/libarmbox/audio.cpp b/libarmbox/audio.cpp
index 5b49beb..967060b 100644
--- a/libarmbox/audio.cpp
+++ b/libarmbox/audio.cpp
@@ -323,7 +323,7 @@ int cAudio::PrepareClipPlay(int ch, int srate, int bits, int little_endian)
 		perror("SNDCTL_DSP_CHANNELS");
 	if (ioctl(clipfd, SNDCTL_DSP_SPEED, &srate))
 		perror("SNDCTL_DSP_SPEED");
-#if !BOXMODEL_HD51 && !BOXMODEL_BRE2ZE4K && !BOXMODEL_H7 && !BOXMODEL_E4HDULTRA
+#if !BOXMODEL_HD51 && !BOXMODEL_BRE2ZE4K && !BOXMODEL_H7 && !BOXMODEL_E4HDULTRA && !BOXMODEL_PROTEK4K
 	if (ioctl(clipfd, SNDCTL_DSP_RESET))
 		perror("SNDCTL_DSP_RESET");
 #endif
@@ -394,7 +394,7 @@ int cAudio::WriteClip(unsigned char *buffer, int size)
 		hal_info("%s: clipfd not yet opened\n", __FUNCTION__);
 		return -1;
 	}
-#if BOXMODEL_HD51 || BOXMODEL_BRE2ZE4K || BOXMODEL_H7 || BOXMODEL_E4HDULTRA
+#if BOXMODEL_HD51 || BOXMODEL_BRE2ZE4K || BOXMODEL_H7 || BOXMODEL_E4HDULTRA || BOXMODEL_PROTEK4K
 again:
 #endif
 	ret = write(clipfd, buffer, size);
@@ -403,7 +403,7 @@ again:
 		hal_info("%s: write error (%m)\n", __FUNCTION__);
 		return ret;
 	}
-#if BOXMODEL_HD51 || BOXMODEL_BRE2ZE4K || BOXMODEL_H7 || BOXMODEL_E4HDULTRA
+#if BOXMODEL_HD51 || BOXMODEL_BRE2ZE4K || BOXMODEL_H7 || BOXMODEL_E4HDULTRA || BOXMODEL_PROTEK4K
 	if (ret != size)
 	{
 		hal_info("cAudio::%s: difference > to write (%d) != written (%d) try (%d) > reset dsp and restart write\n", __FUNCTION__, size, ret, count);
diff --git a/libarmbox/hardware_caps.c b/libarmbox/hardware_caps.c
index a2615fd..340f1e4 100644
--- a/libarmbox/hardware_caps.c
+++ b/libarmbox/hardware_caps.c
@@ -267,6 +267,27 @@ hw_caps_t *get_hwcaps(void)
 	strcpy(caps.boxname, "E4HD 4K ULTRA");
 	strcpy(caps.boxarch, "BCM7252S");
 #endif
+#if BOXMODEL_PROTEK4K
+	caps.has_CI = 1;
+	caps.can_cec = 1;
+	caps.can_cpufreq = 0;
+	caps.can_shutdown = 1;
+	caps.display_xres = 220;
+	caps.display_yres = 176;
+	caps.display_type = HW_DISPLAY_GFX;
+	caps.display_can_umlauts = 0;
+	caps.display_can_deepstandby = 0;
+	caps.display_can_set_brightness = 1;
+	caps.display_has_statusline = 0;
+	caps.display_has_colon = 0;
+	caps.has_button_timer = 1;
+	caps.has_button_vformat = 0;
+	caps.has_HDMI = 1;
+	strcpy(caps.startup_file, "STARTUP");
+	strcpy(caps.boxvendor, "Protek");
+	strcpy(caps.boxname, "Protek 4K UHD");
+	strcpy(caps.boxarch, "BCM7252S");
+#endif
 #if BOXMODEL_HD60
 	caps.has_CI = 0;
 	caps.can_cec = 1;