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The ADJ DB MKII Decibel Display is a professional-grade, dual-channel audio level meter designed for amp racks. Featuring a vibrant LED display that transitions from green to red, it offers two display modes (dot and bar) and adjustable sensitivity on both channels. Powered by a 5V DC supply, this rugged all-metal unit ensures precise volume monitoring and an eye-catching light show, ideal for stages, clubs, and mobile setups.





| ASIN | B01NAVT59W |
| Audio Input | RCA, XLR |
| Best Sellers Rank | 30,293 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 127 in Light Effect Units |
| Brand | adj |
| Brand Name | adj |
| Connectivity Technology | RCA, XLR |
| Connectivity technology | RCA, XLR |
| Customer Reviews | 4.2 out of 5 stars 796 Reviews |
| Frequency | 10 Hz |
| Global Trade Identification Number | 00819730019493 |
| Item Dimensions D x W x H | 44D x 44W x 483H millimetres |
| Item Type Name | Decibel Display |
| Item Weight | 1.25 Kilograms |
| Item weight | 1.25 Kilograms |
| Manufacturer | ADJ |
| Manufacturer Part Number | DB MKII |
| Model Number | DB Display MKII |
| Number of Channels | 2 |
| Number of channels | 2 |
| Output Connector Type | RCA, XLR |
| Power Source | DC Power Supply |
| Power source | DC Power Supply |
| Product dimensions | 44D x 44W x 483H millimetres |
| UPC | 819730019493 |
| Unit Count | 1.0 count |
| Voltage | 5 Volts (DC) |
C**H
Price is a little steep , but works great!
I’m going to start this review with the good things first - I ordered this as an addition to my rack build and so far I like it , it feels good quality and is easy to setup/use , there’s 2 selectable modes , dot , which shows the DB lights in single dots , and bar , which shows the full bars. There’s also a demo button on the back that shows off a little bit. One thing to note , and it caught me off guard initially is , if your mixer is set to 0db (unity gain) which is what most people have it set as , the DB metres Max is 0DB and that’s right inside the red , so it seems like you are clipping it to the moon but in reality it’s just 0db! Also I think the price is a little bit steep for the type of hardware you are getting , but overall it does the job perfectly. In the video , I’m just playing some white noise.
H**E
nice and bright
loved it so much i got a second one. have them vertical for a lovely effect.
J**S
Arrived faulty
Arrived faulty
N**Y
A nice and good product
I use this display for entertainment. I connected it to my integrated amp CXA 60 to enjoy the bar graph display. I needed to use a Speaker to RCA Converter because this was the only solution for me to connect the RCA inputs of the MKII to the audio outputs of the integrated amp. The MKII display is very solid build, has a metal black case, and looks professional. It works very well and I am very pleased with it.
A**M
Back to the 80s
Very easy to set up. Quality item. Really happy with it.
D**D
Great value
For the price this is a very well made unit. I purchased for mainly visual impact vs practical level monitoring purposes and it does the job.
B**Z
Pretty flashing lights, but that's it
Gives you flashing LEDS in response to input. Marked with levels on the front in dB, but in no way calibrated or accurate. Couple of pots on the front to maybe manually adjust the max level. Slow to respond and missing response at quieter inputs. Seems a solid steel build. Powered from a USB input. Supplied mains adapter feels unsafe and doubt would pass UK safety levels. I got mine in Amazons warehouse - They said that the box was damaged, but was far worse then described. Steel twisted out of shape and power switch broken.
D**V
Do the job
Enough sensitive with good response and does not disturb the signal that goes trough it.
J**S
Good Build Quality...
Unit works well but.. Supplied AC adapter is only 5V, a higher 12V voltage adapter is strongly recommended as to provide better input/dynamic sensitivity for the LEDs. Biggest negative is that the unit has NO "input muting circuit" during the power ON cycle, so there is a loud thump through the loudspeakers. This thump is very loud and can cause major loudspeaker driver damage. Extreme caution is required to make sure the system volume control is set to its minimum during the power ON cycle.
G**O
Excelente producto
Funciona según lo descrito, sin problemas, fácil instalación , bien empacado y a tiempo
A**R
Db display
Worthful Good
M**Z
Buen Vumetro
Muy bueno, fiel a la calidad de la marca, fácil de usar y con varias entradas, muy recomendable
R**H
Sehr schöne Optik
Ich habe den VU Meter als optische Ergänzung zu meiner HiFi Anlage gekauft. Das Teil ist ordentlich und robust verarbeitet. Anschluss über Cinch ist kinderleicht. Zwei Modi einstellbar. Siehe Video. Alles super. Das einzigste sind die zwei kleinen Regler, mit dem man die beiden Kanäle einstellen kann. Also das die zwei gleich ausschlagen. Die sind etwas zu feinfühlig. Man braucht nur ein klein wenig zu sehr dran kommen und der Ausschlag einer der beiden LED Leisten ist zu viel, oder zu wenig. Also man braucht Feingefühl. Sonst alles Top. PS: Wenn man über Kassettendeck oder Plattenspieler Musik hört, schlägt die Anzeige so gut wie nicht aus. Ich habe das Problem damit gelöst, das ich mit dem Ausgang vom Kassettendeck direkt in den VU gegangen bin und aus dem VU in den Verstärker. Dann schlägt die Anzeige aus wie sie soll. Wenn ich den Plattenspieler laufen habe, muss ich nur das Kassettendeck mit einschalten und auf "Tape Monitor" stellen. Dann ist auch voller Ausschlag mit dem Plattenspieler möglich. ;-)
Trustpilot
4 days ago
2 months ago