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U4 WIRELESS IN-EAR MONITOR SYSTEM
The U4 In-Ear Monitor Wireless System delivers great-sounding audio to your favorite in-ear monitors or headphones. Enhance your stage performance by freeing yourself from the tangles and limitations of cables!
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Provides clear and high-quality sound, good sound reproduction, clear and consistent sound
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Long-lasting battery, strong performance during long rehearsals, charges fast and lasts great
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Simple setup, plug and play application, easy to use, intuitive, simple to set up and operate
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Portability
Compact size and lightweight design for easy transportation, easy to connect and portable
MIXED UP EVERYTHING
Australian rock band from Melbourne.
TOM QUAYLE
British guitarist and educator known for his expertise in fusion and modern jazz guitar playing.
JORDAN CONTANA
American drummer and musician.Known for his work with the progressive metal band.
THE HUNNA
English indie rock band from Watford, Hertfordshire, formed in 2015.
Sean
Reviewed in the United States on February 7, 2025
Awesome product. Definitely worth it. Makes it a lot easy for me to move around and not tied to in ear mixers.Must buy product for musicians.
Alan Ze
Reviewed in the United States on February 26, 2025
I bought this wireless IEM controller and has worked flawlessly. Absolutely worth every penny. I’ve had no dropouts and I’ve had clear hearing through my buds. I recommend this now to all my musician friends. Great value excellent quality. It’s nice to see a good product for musicians! Highly recommended!!
Will- Headphone Collector
Reviewed in the United States on February 14, 2023
I've been enjoying these iems for almost a week now, and I've finally figured out my thoughts enough to review it.Firstly, this iem is super easy to drive, and gets to hearing damage levels of volume very easily. So no matter what source you're using, volume shouldn't be an issue.The build quality is just ridiculous. Absolutely stunning! This level of resin build quality is usually found in iems much more expensive! Take a look at the pictures in this review, I'm truly blown away by the look, feel, and build quality on these!The included cable is good enough, but I'm a little crazy and swapped it with a yinyoo cable anyway! The included tips fit fine, but I actually found them to hurt the sound quality. These actually have a somewhat claustrophobic sound with the stock tips, and was improved massively when using different tips. I ended up using TRN T eartips, and it sounded so much better!The sound signature is definitely best described as L shaped. The bass is very prominent, and takes the mainstage. Thankfully, this has to be one of my favorite implementations of balanced armature bass I've heard. More specifically, the bass is extremely tight, and slams unexpectedly hard. The subbass is also impressive, maintaining extension and rumble even down to around 10hz. Very impressive, especially for a balanced armature!!The midrange is decent, but in general the whole midrange is overshadowed slightly by the bass. The midrange is generally soft, and non fatiguing. Vocals sound fairly good, especially female vocals in genres like Jpop. Instrument separation is also good! The only real concern is, the timbre isn't quite as natural as some other iems in the price range.The treble is another story. Well executed! Non fatiguing, and provides great detail. It doesn't do anything wrong in particular, and is generally enjoyable. My only real complaint, is that extension could be slightly better.The soundstage is fairly good as well (after changing tips). I wouldn't recommend this to anyone looking for a "reference" sound. I think this iem is well suited to someone looking for an enjoyable listen with a focus on bass. I'm guilty of listening to these for hours on end! This set has a place in my collection!
Patrick Soriano
Reviewed in the United Arab Emirates on January 9, 2022
Absolutely very good product
Myke Mitchell
Reviewed in Canada on January 28, 2021
I love these units. I have 5 of them. Sturdy built. Easy to swap channels if you encounter and interference. Usually there is one channel with some static but that's to be expected running multiple units with lots of surrounding wifi but it's easier fixed. I run 5 units usually on 3 to 5 different channels. I find signal dropout at lower volumes but its rarely an issue. Belt clip is metal and firm. Battery life is great. I would recommend charging after 3 hours use. The stronger the battery the stronger the signal. Fully recommended for stage and practice. My only complaint is the transmitter is a little wide at the base. This makes it difficult to plug into for mixers or consoles that have aux ports too close together. I have a small 6' wired adapter for transmitters that would fall in the middle of 3 units. Not a deal breaker. Fully recommended. Worth the price.
R. A. Head
Reviewed in the United States on April 11, 2021
Okay, we bought this last june. We've been gigging with is every weekend for my son/bassist.Starting with why only four stars instead of five? Battery life. It's enough to get through the gig, but I'd rather it be quite a bit longer. Because, you know, batteries wear after a while, and I'm sure eventually the battery life won't be long enough, but so far so good.We carry the charger in case we need to charge between sets. Son also got a backup battery for phones, and is using it for that. He sometimes forgets to charge it before we go to the gig.Now the good stuff:Small, easy, as in simple to set up and use. Sounds fine, although mono only, mostly that's all that's needed for live monitoring anyway. It's smaller than the battery pack version of wireless receivers, which is great. Less weight, I believe. Haven't actually measured, but it has so much less mass, surely? Good enough range for what we're doing. Haven't had any interference, drop outs, nothing. Never heard a single complaint about anything from Son/bassist.Our LEAD SINGER's (other brand) wireless failed last night, and because we bought the version with TWO receivers, the show went on. They just shared one monitor mix. She will be ordering one TODAY. This is a highly recommended way to purchase. You could even have the second receiver as a "battery extender" should the first one not make it through the gig, while the transmitter can be used while plugged in. Pardon my paranoia about battery life, but it's a potential issue if you're gigging for money.Totally recommend this unit. Not only "would buy again," but WILL buy again.We also bought miniature hard shell cases for uber-protection, because, protection.
Videoscenes
Reviewed in the United States on May 5, 2020
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