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01 / 09
ADV. Sleeper Loop
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Product Description
The ADV. Sleeper Loop IEM is part of the brand’s sleep-focused line of audio products designed to provide a cozy mix of features perfect for late-night listening sessions Read More
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Customer Reviews
3.7
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By Feature
Build Quality
3.7(3)
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Sound
4.3(3)
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Comfort
4.3(3)
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veermaharaj
49
May 5, 2025
Activities:Casual Listening
Music Genres:Classical, Country, Electronic, Hip-hop, Jazz, Metal, Pop, R&B, Rock, World
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IT WORKS, for sidesleepers like me.
It just works. Occasionally i will get a little pressure and pain in my ear, but for sleeping on my side, most of the time it is comfy and the sound quality is really good given the use case. Surprisingly, its a bit hard to drive. My fiio btr7 headphone amp had a bit of trouble pushing it from my phone, but my hiby m300 did a much better job.
Recommends this product? Yes
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pkeusem
6
Mar 24, 2025
Activities:Casual Listening
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Recommend for bed, maybe not for sleep
I have to agree with everything actuallyasriel said in his review. I am giving them 4 stars because I only use them before going to sleep and never sleep with them in. Personally, I toss and turn to much to even think about keeping them in overnight.
The only complaint I have is the color of the left and right ear buds. I also have the white ones for the same reason and I cannot tell them apart with a light on much less in the dark. The buds are marked R & L, but even that is difficult to see.
So, given my intended use, I would definitely recommend these.
Recommends this product? Yes
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actuallyasriel
2
Mar 5, 2025
Activities:Casual Listening
Music Genres:Electronic, Pop
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I wanna love them so bad!
I'm gonna phrase this as a compliment sandwich because while I'm not recommending these for their intended purpose, people are still gonna like them.
The Sleeper Loop are very comfortable, unintrusive, and sound great for the price, with a light V-shape subjectively and very nice bass with surprising extension for how small they are.
But unless you're using a phone with a headphone jack or a wireless DAC with battery that'll last you all night, these probably aren't going to cut it for sleeping with. Hear me out.
My situation is that I'm in a room rental with a few other people and all of us are non-24-hour sleepers. I need noise cancelling and the way I do this is a noise generator (mynoise.net). I don't sleep for a predictable amount of time, and most wireless headphones and DACs simply don't have the battery life to keep up with how much I sleep sometimes because of various health concerns.
I've been using my DT 770s for this, which is not good for them, but it's all I have right now.
Because I got about a week of use out of these with pretty low quality sleep, and then they broke. I rolled over in my sleep, tore the cable out from my laptop and a bud from my ear, and that bud is quieter than the other. And because of the silicone unibody construction, I have no way to try and fix them without ruining them.
So here's what I'd improve.
A1. The cable is too short. (It's also a bit microphonic, but it's silicone like the rest of it, and silicone does that.) While a cable that's too long poses a strangulation hazard, this can be mitigated, see A3. My DT770's cable is much longer, but they also come out of one side rather than meeting in the middle, making it much easier to tuck away. If ADV did something like daisy-chain the cable so that the lead comes out one side of your head, that *could* make it easier to manage. Or perhaps the cable could stop after the inline controls, with the rest of the cable packaged as an extension. That way you can choose how long the cable will be by buying an inexpensive 3.5mm extension cable, *and* the junction point will be on your chest where you can reconnect it quickly if it pulls out.
A2. The right angle connector is a good idea in theory; if you're using a phone/wireless DAC, it's ideal. But if you're using a 3.5mm to USB-C dongle, or a device which can't be in bed with you, it's counterproductive. This is actually why mine tore out *so badly* that it broke them immediately; when I rolled over, it snagged, torquing the cable out at an angle. This cable *should not want* to stay in when pulled at an angle; it should break away, because you can't predict, as a designer, the force that will be involved in a tearout incident. Perhaps some sort of breakaway connector could be placed at the end (a magnetic one, if such things exist that are good enough to not thrash the audio quality).
A3. I have no idea why none of these products aren't designed to have the cable run *over your head* to then be routed wherever it needs to go. There's going to be work fatigue on the cable anyway from tossing and turning -- twisting *has* to be better than getting torn out because the cable had to wrap around your body. I tried to turn the buds upside down to go earhook style so I can have the cable at my back... but that brings me to Point B.
B. The lack of replaceable eartips means that the fitment stability was not great. I have to assume that the eartips aren't replaceable because to do that would compromise the watertight unibody of the Sleeper Loop. But while I can *get* a nice seal, my cochlea are different shapes, different enough that I have to use differently sized eartips with most IEMs. I'd frequently wake up to the looser earbud having fallen out, requiring me to push it back in, which isn't great for my ears and subjugates the otherwise very unintrusive profile of the Sleeper Loop. This was exacerbated when I tried to invert them, which to be fair to ADV here, it wasn't designed to do. A variant of the Sleeper Loop with wingtips like the Sleeper Wireless have is something I'd try, not that I'd know how to implement that. And in any case, I feel like replaceable eartips *could* be possible if you sealed up the barrel well enough.
C. The wires for each ear are different colours, with the idea being that it's easier to tell them apart in the dark. That's a good idea in theory, but I bought the white ones ('cuz that's what was in stock) and the light grey is basically indistinguishable without getting my phone out to shine on them, and at that point the purpose has been defeated. Get the navy ones if they're in stock for sure.
All that being said though? None of these make the Sleeper Loop a traditionally "bad product." The fit and finish is excellent, the cable has *miles* of strain relief at the connector, a common failure point for headphones, the inline volume slider is smooth but firm enough that you can't mute them by accident, and they're just... nice to hold and interact with. You can tell ADV put a lot of thought into this product, but it's undermined by issues caused by not moving *quite far enough* from the mold.
For walking around headphones, these are an easy recommend, they astounded me for how good they sound for the size and profile. There's good heads on the shoulders at ADV, and if they took another crack at this product, I think they'd knock it out of the park. For the *intended purpose*, however, I can't recommend them unless the problems I had just don't apply to your situation. For me, unfortunately, the quest for the ideal sleep-phones continues.
Recommends this product? No
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