KZ ZAS 7BA+1DD in Ear Monitor Headphones, Wired Earbuds 8 Hybrid Drivers HiFi Deep Bass Sound Isolating Earphone Clear Sound Secure Fit 8 Core Durable Cable Professional IEM (Without Mic, Black)
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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
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Availability:
Only 5 left in stock, order soon!
Arrives
Saturday, Nov 29
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Size: No Mic
Color: ZAS Black, No Mic
Features
- Professional hybrid technology headphones ZAS uses a 10mm dual magnetic moving coil combined with 7 balanced armature units to form a powerful sounding force, a low-frequency atmosphere with a moving coil, transient, dynamic, and vocal are all highlights, which greatly improves high-frequency ductility
- Upgrade moving iron combination The 30019s high-frequency moving iron shows the details of vocal music, and the wide sound field and powerful analysis of the 50024s moving iron combination bring a sound quality experience like being on the spot. Can be widely used in a variety of music, suitable for large-scale symphony, chamber strings, pop vocals and other music types
- ZAS earphones comes with 200-core silver-plated wire to improve sound quality and transparency, reduce distortion, and bring more details. The energy distribution of each frequency is even, the design is reasonable, the amplitude of the diaphragm movement is controlled, and the transient characteristics of the music signal are accurately presented
- Ergonomic craftsmanship Sampling and analysis of tens of thousands of ear canal data, so as to achieve the effect of wearing comfort. The internal chambers are precisely milled in order to house the tubeless drivers and shape their sound. An audiophile UIEM in the sweet spot between reference-level clarity and a smooth sound signature perfect for extended listening
- ZAS IEM own sound isolating design that blocks up to 36 dB of noise to eliminate distractions. Enjoy the most immersive listening experience with a design that keeps earphones in and noise out during exercise or travel or everyday use. Highly durable 2PIN Detachable cable allows for easier replacement or upgrades
Brand: KZ
Color: ZAS Black, No Mic
Ear Placement: In Ear
Form Factor: In Ear
Impedance: 24 Ohm
Noise Control: Sound Isolation
Sensitivity: 109 dB
Headphones Jack: 3.5 mm Jack
Model Name: KZ ZAS
Connectivity Technology: Wired
Included Components: Ear Cushions
Age Range (Description): Adult
Material: Pek
Specific Uses For Product: Sports and Exercise
Compatible Devices: Devices with 3.5mm audio jack
Control Type: Volume Control
Cable Feature: Detachable
Item Weight: 27 Grams
Water Resistance Level: Not Water Resistant
Customer Package Type: FFP
Unit Count: 1 Count
Style: Contemporary or Modern
Control Method: Remote
Number of Items: 1
Controller Type: 3.5 mm jack
Audio Driver Type: Hybrid Driver
Carrying Case Material: Protective case, possibly of leather, pleather, or hard shell plastic
Audio Driver Size: 10 Millimeters
Earpiece Shape: Rounded
Input Device Interface: Audio jack
Special Feature: Microphone Included, sports-and-exercise
Manufacturer: yuanze
Product Dimensions: 0.83 x 0.67 x 0.87 inches
Item Weight: 0.952 ounces
Item model number: ZAS-Black
Is Discontinued By Manufacturer: No
Date First Available: June 25, 2021
Department: unisex-adult
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Nov 29
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: With Mic
Color: ZAS Black with Mic
Incredible! Extremely detailed sound through these IEMs everything I have thrown at them has been a delight. "Letter" by Yosi Horikawa revealed texture and nuance I have not heard before, ever. These are probably not well suited for people that want a big bass. These are tuned neutral for accurate sound reproduction. So the low tones are present in "Limit to your love" by James Blake, but they do not punch like other listening devices. These are light and comfortable for hours of listening pleasure. They fit fairly deep in your ear canal, so if it is important to easily take on and off, you may want to consider a different configuration. Connectivity is dead simple with a 3.5mm plug. No batteries or chargers to deal with is a plus. Zero lag makes gaming or conference calls easy. I used a $20 3.5mm to USB-C inline DAC to connect to my Pixel 8 with great results. The cable is a loose weave of individually wrapped connectors that is tangle resistant and extremely pliable. I can see how it could be easily snagged on something, but it has not happened yet. These did not come with a case, but many options are available. These are quite simple with noise isolation, think ear plugs, that prevents ambient noise from intruding on your session. There is no pass through mode or active noise cancelling. There is a single button on the RH cable that allows music to play/pause and answer/decline calls.
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Reviewed in the United States on November 5, 2025 by SHAWN P.
Size: No Mic
Color: ZAS Black, No Mic
I bought these to replace a set that I have been using for a few years. I am a drummer in a band, and these monitors have been great so far. The cable seems very durable and the overall quality of the earbuds is exceptional. These earbuds have an amazing balance of high, mid and low. As the drummer, I like to have the whole band in my monitor mix. I HAVE to be able to hear my kick drum and snare most of all. I get the deep boom of the kick, mixed with everything else, with amazing clarity. Looking forward to many uses out of these!
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Reviewed in the United States on September 1, 2025 by Amazon Customer
Size: No Mic
Color: ZAS Black, No Mic
Alright. I bought the kz zas10 pro as backup in ear monitors but I do also use them for music. I was blown away with how good the kz zas10 pro was, so I got curious. Ended up ordering these and the kz zas10 pro 2 to compare. These are definitely good sounding in ear monitors. Its much smoother sounding and more defined compared to the kz zas10 pro, but I still think the pro are very good. These are just a step up from the pro. I didnt like the pro 2 as much. They werent as loud as the other two and with the different treble frequencies compared to the pro, the pro 2 just doesnt sound as good as the pro. In terms of my preference, Kz zas 7ba+1dd>kz zas10 pro>kz zas10 pro 2
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Reviewed in the United States on October 15, 2025 by kong m.
Size: No Mic
Color: ZAS Black, No Mic
Not a sponsored review. Literally just think these things sound great. You can hear so _much_ more. First the general response curve is perfect for casual listening. I haven't tried these as on-stage IEMs yet, but I think I'm hearing a bit of a mid-dip, which may be problematic for live performers and I'm a bit concerned about compression of the dynamic range... but for casual listening these are pretty incredible. Comparing these against my Alclair Audio Dual-XBs, which I've had custom molded for my ears. I'd say these lack the absolute rock-solid distortion free bottom end my DXBs have. However, they make up for it with an unbelievably detailed top end that my 2 driver DXBs can't match. Surprised at this! I will say these matter what you have them hooked up to. I have a headphone port on my thunderbolt dock, and it's pretty trashy and introduces a lot of distortion and loses a lot of clarity. The headphone jack on my macbook sounds significantly better.
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Reviewed in the United States on February 25, 2025 by Jonathan
Size: No Mic
Color: ZAS Black, No Mic
I am a musician and got these specifically to use with an In Ear Monitor system, so what I experienced might not apply to more casual use. Aesthetically they are gorgeous. They look and feel very solid and well built. Once I received them I played music through then for about 10 hours, based on some online recommendations. They sounded really great as just ear buds listening to music. But when I used them at a gig that weekend, I was in the middle of our first song and the right driver just stopped working. Luckily I had a backup pair and wasn't dead in the water. So I do some research to learn that this is a known thing. I called KZ after searching high and low for a number. The person I spoke to immediately asked in one of the drivers stopped working and suggested I try switching the cables. It worked...at least at the moment. I am guessing swapping the cable (meaning moving the right side to the left and vice versa) does some sort of reset? So with them seemingly working again, I tried them at soundcheck of my next show and not 1 minute into the soundcheck and the right driver failed again. And since this sounds like a known problem with the ZAS, I cannot risk it on another pair. Luckily Amazon helped me to return them, as all confidence is lost on them. And what a shame, because when they did work they sounded amazing! I decided to take the plunge instead on custom molded in ears. So I am giving it 1 star as a device musicians expect to work consistently, and simply doesn't.
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Reviewed in the United States on September 1, 2023 by johnwe
Size: No Mic
Color: ZAS White, No Mic
For the price they are excellent. I’m not fully convinced that all 8 drivers are functional. But for less than a single driver name brand in-ear, these are great. At low volume they do make a little hiss noise and start to break up, but at mid to high volumes they sound great and are very clear. The bass is quite punchy which can be a con in some scenarios, like if you are a guitar player with ambient mics around you on a bigger stage or something. Was hoping they will be a little more flat. But overall they are great FOR THE PRICE!
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Reviewed in the United States on July 15, 2025 by Amazon Customer