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Description
Effect Audio CODE 24 Series MK II / MK 2 Earphone CablesSpecification: Spec: 16. 5AWG 2 Wires Smelting Process: UP OCC Material & Structure: Selected Premium Silver Plated Copper Litz Quad FlexPro SolidCore 13 Multi sized Core Bundle Proprietary Multi size Stands Blend Sleeve: EA UltraFlexi Insulation Length: 120cm 5cm Connection System: ConX & TermX Basic Set Interchangeable Connector Plug System CODE 24 MK II is our definitive love letter to SPC enthusiasts, it delivers speed and transparency with
Specification:-
Spec: 16.5AWG 2 Wires
Smelting Process: UP-OCC
Material & Structure:
Selected Premium Silver-Plated Copper Litz
Quad-FlexPro™ SolidCore
13 Multi-sized Core Bundle
Proprietary Multi-size Stands Blend
Sleeve: EA UltraFlexi™ Insulation
Length: 120cm ± 5cm
Connection System:
ConX® & TermX™ Basic Set Interchangeable Connector/Plug System
CODE 24 MK II is our definitive love letter to SPC enthusiasts, it delivers speed and transparency with clarity, while copper’s foundation preserves body and weight. The result is a sound that is fast, open, and powerful—free from harshness yet uncompromising in detail.
The MK II evolution introduces three precise improvements: over 20% more conductive material for stronger signal delivery and dynamic headroom, a 10% reduction in overall diameter for improved ergonomics, and the Quad-FlexPro™ Solid Core system, which enhances frequency control and stability across the spectrum. Together, these refinements push performance further while retaining structural integrity.
CODE 24 MK II surpasses the balance of its predecessors, defining itself with clarity, precision, and expansive scale—an SPC cable at its most accomplished.
Sound Profile:-
CODE 24 MK II delivers lightning-fast transients, crystalline clarity, and holographic air. A sound that radiates with super-tweeter precision, unveiling layers of detail and shimmer with effortless speed and control. Highs extend with brilliance yet remain smooth, while mids stay open and articulate, creating a soundscape that feels expansive, refined, and alive.
It stands as Effect Audio’s most revealing expression of Silver-Plated Copper in the Horizon Series, crafted for those who chase pure resolution and finesse.
It stands as Effect Audio’s most revealing expression of Silver-Plated Copper in the Horizon Series, crafted for those who chase pure resolution and finesse.
What is Improved in MK II:-
1. 20% More Conductive Material
By increasing the strand count by 20%, CODE 24 MK II expands its conductive surface area , improving current uniformity and minimizing micro-resistance across the bundle. This refined geometry enhances transient accuracy and current delivery, translating engineering precision into audible control. Expect stronger yet tighter bass definition, cleaner high-frequency extension, and an effortless sense of dynamic coherence. The natural outcome of copper optimized to its physical limits.
2. 10% Reduction in Diameter
Despite the material increase, the cable is now slimmer thanks to the sleeve optimization. It keeps the same AWG size while improving overall flexibility and reducing bulk.
3. Quad-FlexPro™ Solid Core System
At the heart of CODE 24 MK II lies the third-generation Quad-FlexPro™ Solid Core System—an evolution of 2024’s Trio-Flex™ architecture and our pioneering 2023 Solid Core design. The central conductor now features four individually calibrated solid cores, each precisely tuned for its frequency role:
- One thick core for the lows, enabling superior current delivery and sub-bass authority
- One medium core for the mids, preserving tonal density and coherence.
- Two finer cores for the highs, refining transient speed and micro-detail retrieval.
This deliberately over-engineered solid-core architecture balances current flow and electromagnetic behavior, minimizing interference and mechanical stress across the frequency spectrum. Every structural choice is made to push copper to its physical limits, achieving greater harmonic stability, lower distortion, and exceptional phase alignment. This showcases copper’s natural warmth, revealed with unprecedented precision and control.
Quad-FlexPro™ embodies three years of solid-core evolution, representing Effect Audio’s relentless pursuit of perfection at its most precise, most powerful form
By increasing the strand count by 20%, CODE 24 MK II expands its conductive surface area , improving current uniformity and minimizing micro-resistance across the bundle. This refined geometry enhances transient accuracy and current delivery, translating engineering precision into audible control. Expect stronger yet tighter bass definition, cleaner high-frequency extension, and an effortless sense of dynamic coherence. The natural outcome of copper optimized to its physical limits.
2. 10% Reduction in Diameter
Despite the material increase, the cable is now slimmer thanks to the sleeve optimization. It keeps the same AWG size while improving overall flexibility and reducing bulk.
3. Quad-FlexPro™ Solid Core System
At the heart of CODE 24 MK II lies the third-generation Quad-FlexPro™ Solid Core System—an evolution of 2024’s Trio-Flex™ architecture and our pioneering 2023 Solid Core design. The central conductor now features four individually calibrated solid cores, each precisely tuned for its frequency role:
- One thick core for the lows, enabling superior current delivery and sub-bass authority
- One medium core for the mids, preserving tonal density and coherence.
- Two finer cores for the highs, refining transient speed and micro-detail retrieval.
This deliberately over-engineered solid-core architecture balances current flow and electromagnetic behavior, minimizing interference and mechanical stress across the frequency spectrum. Every structural choice is made to push copper to its physical limits, achieving greater harmonic stability, lower distortion, and exceptional phase alignment. This showcases copper’s natural warmth, revealed with unprecedented precision and control.
Quad-FlexPro™ embodies three years of solid-core evolution, representing Effect Audio’s relentless pursuit of perfection at its most precise, most powerful form
Hardware Design:-
The Y-split of the CODE 24 MK II embodies a forward-looking vision of engineering. Machined from lightweight aluminium and finished in a soft metallic gold, its compact modular form takes cues from aerospace-grade connector housings and propulsion couplings.
Its dual-layer construction, defined by clean lines, chamfered edges, and geometric precision, mirrors the discipline of aerospace design. This is not a design built on ornamentation, but one that achieves elegance through structure, symmetry, and purpose: a visual expression of the same EFFECT AUDIO engineering philosophy that drives the cable within.
Its dual-layer construction, defined by clean lines, chamfered edges, and geometric precision, mirrors the discipline of aerospace design. This is not a design built on ornamentation, but one that achieves elegance through structure, symmetry, and purpose: a visual expression of the same EFFECT AUDIO engineering philosophy that drives the cable within.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Great Sheets!
Size: Twin, Color: Oatmeal
Super soft, wash up beautifully, seem well made — very happy! It’s very hard to find 100% cotton t-shirt type sheets and these are really lovely.
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Reviewed in the United States on June 1, 2026
★★★★★ 3
Weirdly textured
Size: King, Color: Dark Gray
I have bought and loved jersey sheets in the past, that have all been as soft as a well worn cotton t-shirt. These arent soft. They have the stretch of jersey, but not the soft smooth texture that they should have. Even after washing a few times these are one of my least favorite sheets I've ever bought on Amazon.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Soft, Breathable Sheets That Feel Great to Sleep On
Size: Twin, Color: White
This Amazon Basics jersey sheet set was a really good purchase. The cotton material is soft, stretchy, and breathable — it feels like sleeping in a comfortable T‑shirt. The fitted sheet has a nice snug fit that stays in place, and the flat sheet is lightweight without feeling flimsy.
The fabric washes well, doesn’t pill, and stays soft after multiple loads. It’s a great everyday sheet set for anyone who likes that cozy, relaxed jersey feel. Overall, comfortable, easy to care for, and great value for the price.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
The Perfect Sheets To Lie On While Writing Amazon Reviews
Size: Full, Color: Light Gray
As I write this, I am laying on an adjustable full sized bed by Hofish and a 10.5" comfort foam mattress by Classic Brands. I know I sound like I am an Amazon plant, but I swear I am not. I'm not even a stockholder anymore.
This is the most awesome bed stylings combination I have had in many, many years. In fact, it is the best I have ever owned and it is beat only by some ritzy resort I stayed at on vacation like 20 years ago, though I admit I was pretty drunk the entire time so my memory might not be the most accurate.
But getting back to today... these sheets are great. I washed them twice - I'm not a neat freak, I am just amazingly disorganized and easily distracted while doing laundry, so tonight they went though two wash cycles and one dry. And then I put them on the bed. While these sheets are not deep pocket sheets, they don't need to be with this mattress. There is enough room and border for them to tuck and wrap with the elastic to give a strong grip under the mattress, which is important as the adjustable frame continually put the sheets and mattress though its repeated adjustable calesthenics-type positioning. The other two sheet sets I have used since I got this bed have struggled poorly with this. In the day or so and at least a dozen position changes, these sheets stay in place with no popped corners to exposing the bowl as the head and feet rise. Of course, till will tell if it lasts, but so far they are the best of the batch of sheets in my closet.
As for texture, they are awesome. I'm a dude. I don't really know what thread count or knit or whatever really means. But these sheets feel like a well-washed favorite, quality rock & roll concert t-shirt. And not one of these glitter puff stupid new groups, like a real rock band from the 80s that now charges $250 for a concert ticket and $60 for a t-shirt...but that group you saw back then, paid $10 for the shirt and you STILL have it and love to wear it because it is perfectly molded to your body, soft and reliable. The kind of shirt you will wear under your suit at work and just grin not just for mental middle finger to corporate dress codes, but because the t-shirt is just that great of a feeling.
Well, that is what these sheets feel like. And now you get to sleep in it. It is that awesome.
In LA right now we are having a nasty heat wave, but these sheets don't seem to bake me even with my stuttering AC. The flannel sheets I love seem to trigger the butt sweats as soon as I lay down in this heat, but no such problem with these.
So really, I'm absolutely happy with these things. I am going to order more in other colors as soon as Amazon gets them back in stock. Great price, great quality, great comfort, great fit, great deal. It is that simple.
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Reviewed in the United States on September 3, 2017
★★★★★ 5
Soft smooth and wrinkle free!
Size: King, Color: White
The most comfortable sheets I’ve had in years! Soft and don’t wrinkle up in the bed. Some reviews said they are thin but I think they’re perfect! I don’t want super thick sheets as we are hot sleepers. These are the perfect feel. They also stretch very well to fit on my mattress all the way around and I have a thick mattress! My precious sheets were a struggle to get over the corners but these fit perfectly. Would buy 10 times over! Such a good value as well!
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Reviewed in the United States on April 14, 2026