KZ

Castor Pro (Harman Target with Improved Bass Version)

KZ Castor Pro (Harman Target with Improved Bass Version)

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Overall

#24 in

IEMs

according to Reddit Icon Reddit

Sentiment score69% positive
119
27
27

Top Pros

Top Cons

Last updated: Jun 30, 2026

Reddit Reviews

Reddit IconAcceptable_Hall684
5 months ago

Go with kz castor pro improved bass edition. Bomb at this price.

Reddit IconAcustomerme13
5 months ago

he wants a quality bass kbear rosefefinch and QKZ X HBB bass have more volume but not a good quality bass castor pro have better quality bass than those 2

5 months ago

i didnt say he needs to get to 100$ im just saying if for him if castor pro bass sucks the other 2 suck even more they have bass volume but not a quality bass he already complain about the bass quality of castor which is better than those 2 i would prob recommend him kz saga

6 months ago

My everyday beaters castor pro they are really cheap for the cable i just grab any good looking cheap in AliExpress also kunten is even cheaper than castor pro but sound like a 50$ iem

Reddit IconAkbar16772
about 2 months ago

Hey guys, I’m currently using the KZ Castor Pro (Improved Bass Edition) and I really enjoy its bass-heavy, punchy sound. Now I’m planning to upgrade and my budget is around ₹10k–15k. My preference: I like strong bass (similar to Castor) — I don’t want something that feels weak or flat But I also want an upgrade in: clarity vocals soundstage / 3D feel instrument separation So basically: fun + bass + better technical performance What I don’t want: Very neutral or flat tuning (I’m worried it will feel boring) Very sharp/harsh treble Bass that feels too light compared to Castor So my main question is: Which IEM would feel like a real upgrade from Castor while still keeping satisfying bass? Also open to other suggestions I might be missing. Thanks!

Reddit IconAltrebelle
7 months ago

Out of the sets you've listed. I own(ed) The Cadenza and the 7Hz Zero 2. For a first IEM...I can say either one is a good choice. IEM shape and size between those two...the Cadenza is slightly more compact and contoured. The Zero 2 "looks" uncomfortable...but it was actually isn't. If you have concerned with it's angular look and you can't reliably return the product...perhaps stick with the Cadenza. I have had a Castor Pro Bass Edition (the one with switches) I was not a fan...as my unit had driver flex (hearing the driver flex when the IEM is being adjusted in ear due to lack of proper venting) Have since read about various QC issues mentioned...but most seem to be in the past. I choose not to purchase their IEMs...because there are many others to choose from😉 Last thing to mention...ear tips. Aside from the sound and IEM fitment...ear tips is a consideration as well. Most IEMs will come with an assortment of tips. Take your time going through ALL the tips the set comes with. Even to the point of mismatching sizes between left and right. Human anatomy is funny like that as we are NOT symmetrical😂😂 You will want to get a good (eartip) fit and seal into the ear canal. You will know if you're not properly fitted if the IEM sounds "tinny" or "there's no bass" Super*review has many helpful videos if you get deeper into IEMs. This one will be useful when your first set arrives: [https://youtu.be/ZcEzrA2SzbU](https://youtu.be/ZcEzrA2SzbU) He also has another regarding ear tips. I'll let you find that one...it's on the same channel.

Reddit IconArtistic-Position888
8 months ago

tell me you didn't buy them. don't listen to the other guy. i don't know what games you play but i play VALORANT and the castor pro (bass edition) for VALORANT is BULLSHIT. i originally bought them for music and they do pretty fine but

Reddit IconAylaCODM
7 months ago

Let's simplify this... What you have is the KZ Castor Pro (Bass Enhanced Version). These in a nutshell are really a good IEM for a balanced and bass heavy experience, and are arguably better than TWS Bluetooth earbuds, you just need to set them up for success. What you need to bring them to life and wake 'em up inside... ✓ DAC/Amp combo (eg. KZ AM02). This will drive your Castor Pro across any device and there are EQ presets for bass, clarity, and gaming. ✓ Adjust all switches to UUUU or UUDD. These are essentially your manual stick shift for a novel iem with switches. Learn the gears avoid finding it and grinding it. ✓ Get new eartips. You aren't going to get a good seal to unleash all of its glory for sound profile with the stock eartips of KZ. It is crucial to upgrade this area and should be a priority. I suggest something with a narrow bore like the Penon Liqueur Orange or Black. After you have completed the 3 imperative objectives above... Report back here and tell us all if there is any difference. Bonus: You can try an EQ app to further tailor your sound should you choose.

8 months ago

KZ Castor Pro Silver (Balanced) KZ M2 Type C Cable with built in "EQ Tuner" For the above mentioned setup that is a great start in this hobby -- All in $15 to $20 depending on where you are geographically located in this beautiful world. Considering you're starting out, it will allow you to take a dive into the water without fear of drowning yourself into just 1 IEM blind buy @$100 etc... With the tuning switches and options KZ Castor Pro Silver provides and the preset EQ options of the M2 cable, this will give you an idea of what sound profile you are most comfortable with -- And in turn, make a sound profile on "experiential knowledge" based purchase for a future set of IEMs. In my opinion -- For gaming, particularly FPS games -- They are punching above their price. Edit: Also get the DUNU SS Eartips (price varies from $2 for 1 pair or 3 pairs for $7) to enhance your sound experience with a tight seal on your IEM. If you've made it this far into my response, then please look into "IEM burn in time for KZ Castor Pro" as this will help set initial expectations for sound out of the box if you decide to go the KZ route.

7 months ago

Hey there... I do not have experience with KZ PR1 for gaming, however, below mentioned is a post I've made before highlighting a great KZ branded setup. KZ Castor Pro Silver (Balanced) KZ M2 Type C Cable with built in "EQ Tuner" For the above mentioned setup that is a great start in this hobby -- All in $15 to $20 depending on where you are geographically located in this beautiful world. Considering you're starting out, it will allow you to take a dive into the water without fear of drowning yourself into just 1 IEM blind buy etc... With the tuning switches and options KZ Castor Pro Silver provides and the preset EQ options of the M2 cable, this will give you an idea of what sound profile/signature you are most comfortable with -- And in turn, make a sound profile on "experiential knowledge" based purchase for a future set of IEMs. In my opinion -- For gaming, particularly FPS games -- They are punching above their price. Edit: Also get the DUNU SS Eartips (price varies from $2 for 1 pair or 3 pairs for $7) to enhance your sound experience with a tight seal on your IEM. If you've made it this far into my response, then please look into "IEM burn in time for KZ Castor Pro" as this will help set initial expectations for sound out of the box if you decide to go the KZ route.

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