AMS CX vs LGX

The final frontier. Deciding when, if and how.
LGXDownunder
Posts: 514
Joined: Fri Mar 07, 2025 7:59 am
Location: Sydney, Australia

Re: AMS CX vs LGX

Postby LGXDownunder » Tue Nov 18, 2025 9:11 pm

KaBoom wrote:
LGXDownunder wrote:CX can expand in girth only but is more rigid and potentially more stable for longer/larger penises.

LGX can expand in both length and girth but is less rigid. Suits many average sized penises.



So is the CX basically more like a malleable Implant that just inflates in girth?

Im definitely a grower, so I think the LGX would have to be my way to go. Im smaller than average flaccid, but probably bigger when erect.

How much less rigid is the LGX......is there a sensation dip for him and/or her?

No, the properties of a malleable are different to an IPP. You just bend them into an erect position and vice versa.
There is no pumping involved and implant girth is a fixed size. They are effectively always at their full erect length even when bent flaccid.

My LGX is rock hard for sex if I want it that way. I have full control over how hard I pump it. Some find the CX better for that.
Sensation can change according to how hard I pump it. All IPPs are the same in that way.
The differences between brands, models etc are more to do with best fit for variations in different penises, plus things like different pumps, reservoirs, tubing, connectors and the relative reliability of those things. Not that much different to buying a car, and personal preferences come into it.
71, married, Sydney Oz. PC & nerve sparing RRP Mar 22, profound ED since. Tried pills, Trimix inj, focal shockwave, VED.
Finally implanted Mar 6 2025 AMS 700 LGX 21cm x 12mm, no RTEs, MS pump, Penoscrotal.
Recovery great so far but have a bend.

krh9999
Posts: 60
Joined: Fri Aug 25, 2017 2:52 am

Re: AMS CX vs LGX

Postby krh9999 » Tue Nov 18, 2025 9:19 pm

I have the CX at 25cm. The LGX doesn't go that long. The Dr. sizes you appropriately. The CX is inflatable just the LGX and is more parallel with the TITAN.
59 yo Gay Male. Los Angeles and Palm Springs CA. Pretty athletic professional.
Before: 8" hard. About 7ish now.
Dr. Kramer. Implanted DEC 2018 AMS CX 24 cm. Implant failure FEB 2025. Re-implanted NOV 2025: AMS CX 25 cm.

LGXDownunder
Posts: 514
Joined: Fri Mar 07, 2025 7:59 am
Location: Sydney, Australia

Re: AMS CX vs LGX

Postby LGXDownunder » Tue Nov 18, 2025 9:31 pm

krh9999 wrote:I have the CX at 25cm. The LGX doesn't go that long. The Dr. sizes you appropriately. The CX is inflatable just the LGX and is more parallel with the TITAN.

Sorry, I corrected my earlier post. Yes, 21 cm is maximum length for the LGX. There is an XL version listed for the CX with a standard cylinder length of 24 cm, which is what I was thinking of. I'm curious, do you have that with a 1 cm RTE?
71, married, Sydney Oz. PC & nerve sparing RRP Mar 22, profound ED since. Tried pills, Trimix inj, focal shockwave, VED.
Finally implanted Mar 6 2025 AMS 700 LGX 21cm x 12mm, no RTEs, MS pump, Penoscrotal.
Recovery great so far but have a bend.

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Kodixx
Posts: 717
Joined: Wed Jan 08, 2025 5:32 pm

Re: AMS CX vs LGX

Postby Kodixx » Wed Nov 19, 2025 1:45 pm

Gringoinparadise, I have a CX and haven't found either of those statements (below) to be true. I'm 7" and it deflates to a very comfortable flaccid. In fact, I prefer to leave it 25-30% inflated and even then it's not "too much". Also, I've seen pics of malleables and its nothing like that. I think in the size range you're talking about you can't go wrong with either the LGX or CX. I'm sure the LGX expands more in length, but I did pick up 1/2" in length over time.

I also have the Tenacio pump. Pumps up fast, easy to deflate, works very reliably. I kind of freaked out when I found it was on the recall list -- but then found out that only a very very small number of pumps, on that small list, were affected by an early assembly defect. Mine wasn't. My only complaint was that the pump bulb was pretty stiff during the first week or so of cycling -- then softened up.

- Chuck
Gringoinparadise wrote:I guess my concerns about the CX are that it turns you into too much of a “shower” and that becomes a nuisance.
So is the CX basically more like a malleable Implant that just inflates in girth?
Feb 2025 58yo, 38 with greatest wife ever
AMS CX, Tenacio, Dr Broghammer (excellent) pre-op L:7", post-op @ 9 mo L: 6.5=>7.0" G: 5.5=>5.75"
2wks pain, cycling-sex @ 7wks, minor discomfort @ 10wks, felt like 'new normal' @ 16wks

Gt1956
Posts: 3245
Joined: Fri Apr 05, 2019 2:47 pm

Re: AMS CX vs LGX

Postby Gt1956 » Thu Nov 20, 2025 12:24 am

You might not have the choices that you think you have. Many drs will automatically use a CX if your measured internal length at surgery reaches 21CM. I hit the magic 21CM but I have a very deep proximal measurement. Either 10 or 11CM. I forget which was proximal.

It seems someone will always ask about the number of pumps. My CX consistently rocks out at 15 to 17 pumps. Considering that I don't have any RTE's. I think that is pretty good. It is all cylinder, 6" girth. I'm happy.

Since I have at least 10CM inside. My erection is unmovable. My body has a death grip on it.

Best wishes on your surgery.
69yo, HBP @ 40, high triglycerides @ 45. Phimosis @ 57. Type 2 @ 60. Dr. William Brant May 1, 2023 CX 21cm w/no rte's penoscrotal 6" girth @ 6 months.

Gringoinparadise
Posts: 2
Joined: Fri Nov 07, 2025 7:45 am

Re: AMS CX vs LGX

Postby Gringoinparadise » Fri Nov 21, 2025 8:18 am

Thanks guys! Just under two weeks to go, very excited, ready to start 2026 off with a bang… pun intended ;). I think the CX will be a better performance option for me, but ultimately I’ll leave it up to my surgeon; he’s the expert. I’ll let you all know how it goes!

cbinspok
Posts: 875
Joined: Wed Feb 03, 2021 7:45 pm

Re: AMS CX vs LGX

Postby cbinspok » Fri Nov 21, 2025 8:38 am

Gringoing
The Cx will be your best bet in my opinion. Due to your age and the fact that this brotherhood gets used to being “ showers” pretty quickly, the thing about the Lgx is it Shrinks more then the cx, ie mimics a natural penis more closely. Assuming your surgeon does a good job measuring the Cx will do great. The extenders are primarily used to adjust where the tubes enter main expansion tubes.
just know it takes time. For all the elements to come together, good luck brother.
67years,fighting ed for over twenty years. A sever break, vit E, pataba, Viagra, massage Ved cilas, and I'm tired- throwing in the towel, Op for implant Mar 18, 2021 AMS LGX 18 x12 + 1 3cm RTE, gained girth and length, very glad I took the hard step.

equusAz
Posts: 247
Joined: Mon May 22, 2023 9:16 am

Re: AMS CX vs LGX

Postby equusAz » Sat Nov 22, 2025 7:36 pm

I'm coming up on my 1 year since my implantation of a CX. I did a BUNCH of study, and what it comes down to is this: The doctor should really make an informed medical decision based on your medical needs first, and your wants second. Each implant has a different function, but one thing everyone needs to keep in mind: Implants are not meant to make you bigger than you are naturally. If you gain ANY size, I'd be generally surprised. A lot of guys on here claim they do - but I have yet to see photographic evidence. With that in mind, think about what you want to get out of this. If its a fully functioning penis, then an implant is for you. If its growth, it is NOT for you.

That being said - the CX gains in girth and will be girthier than the LGX no matter what - its just how its made. The LGX will shrink when deflated, and expand when inflated. Again, not meant to increase length, just meant to mimic a natural penis more.

I don't mind my CX one bit. This thing can get WAY harder than it needs to be, and you can of course adjust as needed. Its nice not worrying about staying hard for sure. People say the LGX doesn't get AS hard, and I think the only concern you may want to think about there is if you have anal penetrative sex (not recieving). If you do, you will probably need the rigidity of the CX more. Being gay I can tell you my CX works perfectly for anal penetration :lol:

Best of luck and keep us posted.
48yo gay married male - Size before cancer / ED = 7.5" x 6.25" (current 5.7x5.5). AMS 700 CX implanted 12/9/24. 18cm + 1cm RTE and 18cm + 2cm RTE.
Implant Journal: https://www.franktalk.org/phpBB3/viewtopic.php?t=25158


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