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Ulanzi U-Mic AM18 issue with lavalier microphones

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Hello,
I've bought an Ulanzi U-Mic AM18 from AliExpress and have an issue with connecting lavalier microphones tot the transmitters. I've connected a standard TRS 3.5mm mini jack lavalier mic and it wasn't detected by the transmitter, the sound was still coming from the transmitter's internal microphone.
Figured out the Ulanzi Arimic has a 4-pin TRRS mini jack input so I ordered a similar microphone with a TRRS mini jack and again it wasn't working, sound was still coming from the internal mic.
Then I connected the TRRS lav mic with the included TRRS to TRS adapter and it started working, the sound was coming from the lav mic, however, there was an audible ground noise, buzzing when I was not holding the transmitter in my hands.
Is there something wrong with the transmitters? What type of lavalier microphones should I use to get them detected by the transmitter and avoid buzzing noise?
This issue is making the wireless system unusable for me :(

Опубликовано:

26 дек 2023

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Комментарии : 34

@madsobacht6442 7 месяцев назад

I have the same issue. I will order the adapter in the next days then I will see if I have the a ground noise as well. Thanx for sharing your expiriences.

@spitikoscinemas 7 месяцев назад

i had the same problem with the ground noise only ...i fixed it with a piece of tin foil and some electric tape...just on the front side of each transmiter, i put a piece of foil the size of the tape and wraped the tape around to stick in place...its not the ideal solution but it worked for me. the lavs i have are the saramonic SR-UM10-M1.

@chumandante 29 дней назад

Tienes algún video tutorial?

@JustCruzOn 6 месяцев назад

I get mine tomorrow and will test out the issue as I ordered separate lavalier mics

@adammarciniak3564 6 месяцев назад

does it work?

@JustCruzOn 6 месяцев назад

@adammarciniak3564 so it seems with the lavaliers that I ordered separately for them did not work, so will try another set when they arrive. But i connected a shotgun mic and it worked with no issue. Might be a compatibility issue with certain lavaliers, which not sure why that would happen.

@ialexkul 3 месяца назад

I have the same problem. I can't solve it, ulanzi support is silent!

@SilverKing3578 5 месяцев назад

Actually, I use the exact same setup as yours and found out that the TRRS to TRS adapter is the issue. I know that because I bought two of the same adapters as yours and two TRRS lavs. One adapter was buzzing while one didnt. Used the non-buzzing one on both lavs and sure enough, both lavs sounded ok. Used the buzzing adapter and as expected, both had the buzz. my guess is that the adapters have poor QC, some are shielded properly while others arent. You should maybe get new adapters and see if you are lucky enough to get good ones to use. UPDATE: After some testing, it seems that this is indeed more of an issue on the Ulanzi. Both adapters work good enough on my camera (though one is still noisier than the other). Still, it does seem that with the right mic/adapter, it is indeed possible to get good results from the Ulanzi. The one adapter with low buzz works well for me so yeah.

@adammarciniak3564 5 месяцев назад

Mine TRRS lavs with TRS adapters work perfectly fine while plugged directly into a camera or a recorder. Only when connected to AM18 there's buzzing noise, so in my case I'm sure that's not an issue with the adapters. However, I found out that using TRRS lavs with TRS adapter and another adapter back to TRRS fixes this buzz issue in 90%.

@SilverKing3578 5 месяцев назад

@@adammarciniak3564 I see, I suppose some better lavs would work better. Saw that your other comment said the Smallrig L1 works ok, hws your exprience with it? does it need the double dongle trick to work?

@SilverKing3578 5 месяцев назад

@@adamjan I see. I did sorta fix the issue more permanently with foil and tape to shield the transmitters. Already have the L1 shipping to me, will certainly see if it works well when I get it.

@kojot8401 5 месяцев назад

Cześć udało Ci się jakoś to rozwiązać?

@oriotophotography 7 месяцев назад

I can confirm mine works perfectly with a standard TRS lavalier

@StephtheVIDEOguy 5 месяцев назад

Which lav? Stereo or mono input?

@jonaslcx 4 месяца назад

@oriotophotography do you mind sharing which TRS lavalier you use? like maybe the brand or model?

@oriotophotography 4 месяца назад

@@jonaslcx its the one from the f1 zoom recorder

@jonaslcx 4 месяца назад

@@oriotophotography ouhh ok hope they do sell only the lavalier without the recorder

@Y_K_5496 3 месяца назад

It's perfectly working with my TRRS Andoer EY510 lav mic through adapter

@STRUGANE 5 месяцев назад

To już drugi problem, z którym się mierzy ten model mikrofonu Ulanzi. O kłopotach z współpracą z mikrofonami krawatowymi, czytałem już wcześniej. Z tego co pamiętam, receptą okazało się zastosowanie markowych mikrofonów Rode i Senheisera. Problemem, o którym mówi się najczęsciej to kilkusekundowy zanik fonii podczas nagrywania na pamięci wbudowanej w okolicach trzydziestej minuty ciagłego nagrywania. Przy okazji , napisz czy udało ci się uzyskać dobrą jakość nagrywania z zastosowaniem któregoś z mikrofonów krawatowych.

@adammarciniak3564 5 месяцев назад

Ostatnio miałem możliwość przetestować nadajnik Ulanzi z mikrofonem krawatowym Rode Lavalier II - rzeczywiście w takiej konfiguracji działa bez problemu, ale wciąż to, z jak wieloma tańszymi mikrofonami sobie nie radzi jest rozczarowujące. Wydaje mi się, że większość osób, które kupuje tak budżetowy system bezprzewodowy nie planuje używać ich z mikrofonami od Rode lub Sennheisera, tylko korzysta z tańszych rozwiązań. Bardziej złożonym rozwiązaniem tego problemu okazało się również zastosowanie mikrofonu krawatowego z wtykiem TRRS, adaptera na TRS i kolejnego adaptera z powrotem na TRRS - dziwne, ale działa. Z tanich krawatówek jakość dźwięku SmallRig L1 spełnia moje oczekiwania. Sprawdziłem także problem z zanikiem fonii podczas tworzenia nowego pliku we wbudowanej pamięci po dokładnie 31 minutach i 20 sekundach nagrania i pomiędzy plikami brakuje dźwięku przez około pół sekundy.

@sniadnako85 5 месяцев назад

Problem z budżetowymi mikrofonami krawatowymi to jedno. Wczoraj miałem okazje testować powyższy zestaw z iPhone 14 pro Max za pomocą przewodu który znalazł się w zestawie (lightning jack 3,5) uzyskana jakość za pomocą takiego połączenia jest straszna. Czy jest jakiś sposób na poprawienie jakości dźwięku w takiej konfiguracji?

@eduardocarvalho5360 7 дней назад

@@sniadnako85 diminuir o ganho para -6 em diante

@melquiads1 5 месяцев назад

Alguém poderia me ajudar? Quando eu faço gravação com o microfone Ulanzi AM18 conectado, a gravação fica muito ruim. Fica extremamente estourada e distorcida. Mas quando eu gravo só no gravador interno ela fica boa. O que poderia ser? É um IPhone 13 Já testei em outros iPhones e ocorreu a mesma coisa.

@eduardocarvalho5360 7 дней назад

ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-dwGYsSWZwPA.html

@eduardocarvalho5360 7 дней назад

para resolver isso tem que diminuir o ganho para -5... -4...