[{"id":274046550175,"handle":"accessories","updated_at":"2024-07-25T08:29:09-06:00","published_at":"2021-08-02T03:16:33-06:00","sort_order":"best-selling","template_suffix":"top-level","published_scope":"global","title":"Accessories","body_html":"","image":{"created_at":"2021-08-02T03:16:32-06:00","alt":"Audio Video Accessories","width":1080,"height":429,"src":"\/\/listenup.com\/cdn\/shop\/collections\/article-details.png?v=1641415272"}},{"id":280456888479,"handle":"audio","updated_at":"2024-07-26T16:42:54-06:00","published_at":"2021-12-02T11:21:36-07:00","sort_order":"best-selling","template_suffix":"top-level","published_scope":"global","title":"Audio","body_html":"","image":{"created_at":"2022-01-06T15:53:45-07:00","alt":"audio","width":971,"height":386,"src":"\/\/listenup.com\/cdn\/shop\/collections\/audio.png?v=1641509626"}},{"id":280462360735,"handle":"cables","updated_at":"2024-07-25T08:29:09-06:00","published_at":"2021-12-02T13:10:40-07:00","sort_order":"best-selling","template_suffix":"default","published_scope":"global","title":"Cables","body_html":"","image":{"created_at":"2022-01-05T14:11:41-07:00","alt":"cables for audio video equipment","width":1146,"height":455,"src":"\/\/listenup.com\/cdn\/shop\/collections\/cables.png?v=1641417101"}},{"id":289203323039,"handle":"headphone-accessories","updated_at":"2024-07-25T08:29:09-06:00","published_at":"2022-09-01T12:56:58-06:00","sort_order":"best-selling","template_suffix":"default","published_scope":"global","title":"Headphone Accessories","body_html":"","image":{"created_at":"2024-04-05T11:18:54-06:00","alt":"Headphone Accessories","width":1080,"height":1080,"src":"\/\/listenup.com\/cdn\/shop\/collections\/Untitled_design_4.png?v=1712338513"}},{"id":301151355039,"handle":"welcome10","updated_at":"2024-07-26T22:05:04-06:00","published_at":"2024-07-02T15:18:25-06:00","sort_order":"best-selling","template_suffix":null,"published_scope":"web","title":"Welcome10","body_html":null}]
Foundation SX headphone cables are handmade in our California factory from core Synergistic Research technologies, including handmade Air String Geometries made or pure 99.9999% Pure Silver conductors in an Air Dielectric for unmatched resolution.
Get the Details
Foundation has the added bonus that for more attainably priced systems, it covers its tracks well and could stay in a system for the long haul; in fact, it’s only when you insert them in a monumentally high-end wide bandwidth system do you begin to crave even more detail and extension… which points you further up the Synergistic range.
hi-fi+
Hi Fi Reviews
Details
Headphone Cables
Foundation SX headphone cables are handmade in our California factory from core Synergistic Research technologies, including handmade Air String Geometries made or pure 99.9999% Pure Silver conductors in an Air Dielectric for unmatched resolution. We then add UEF Matrix Shielding with a new UEF Compound first developed for our SRX cable loom for a dramatically lower noise floor. Next we include a new Long Duration High Voltage Conditioning Process, initially engineered for our flagship SRX cables, making Foundation SX the most musical and highest resolution headphone cables you can buy. With a full suite of SR Technologies, you hear inner detail and holographic realism that’s never harsh or fatiguing, unlike most pure silver-based cables. And to make voicing them to your headphone rig easy, we include UEF Carbon Tuning discs to strike the perfect balance of musicality and resolution. In short, we’ve created the world’s best headphone cables, and we’re confident you’ll love their sound over ANY headphone cable on the market, regardless of price. So step up, take the Foundation SX Challenge and discover how good your current headphone system actually is.
Source Connections.
4 PIN XLR, 3.5mm connector (with included 6.35mm (1/4″) adapter) or Dual 3 PIN XLR (+$100)
* For other connections please contact us
Specifications:
4 each Silver Air String:
Silver Air Strings: 99.9999% pure monocrystal silver conductor
4 separate conductors
Dielectric: Air (sealed)
Shielding: Silver Braid -Quantum Tunneled
Source Connectors:
Neutrik 4 PIN XLR
3.5mm with 6.35mm (1/4″) adapter
Destination Connectors:
2 Pin Lemo
3 Pin Lemo (Focal Utopia)
MMCX ( Pioneer SR-Master1: Shure SRH1540 and SRH1840)
Sennheiser Push-Pull (Sennheiser HD820, HD800S, and HD800)
Always confirm your connections with your headphone manufacturer.
Build Notes:
12 point-to-point hand soldered connections
Atmosphere Level 2 UEF Matrix Shielding: UEF coating with Graphene is applied directly to connectors significantly reducing the noise floor and allowing a purer signal to transfer with less grain providing more warmth and detail
Silver Solder: 4%
Hand build time: 2 hours
Quantum Tunneling: Post Production process, 1 million volts are passed through finished cable providing a “canal” that allows electrons to pass more freely through conductor material and connections
Secondary UEF Blue Treatment originally developed for SR Blue Fuses
5 day Burn-in: 2 step process
Hand crafted in our California factory
Reviews
Product Description
Product Description
Foundation SX headphone cables are handmade in our California factory from core Synergistic Research technologies, including handmade Air String Geometries made or pure 99.9999% Pure Silver conductors in an Air Dielectric for unmatched resolution.
Get the Details
Foundation has the added bonus that for more attainably priced systems, it covers its tracks well and could stay in a system for the long haul; in fact, it’s only when you insert them in a monumentally high-end wide bandwidth system do you begin to crave even more detail and extension… which points you further up the Synergistic range.
hi-fi+
Hi Fi Reviews
Details
Details
Headphone Cables
Foundation SX headphone cables are handmade in our California factory from core Synergistic Research technologies, including handmade Air String Geometries made or pure 99.9999% Pure Silver conductors in an Air Dielectric for unmatched resolution. We then add UEF Matrix Shielding with a new UEF Compound first developed for our SRX cable loom for a dramatically lower noise floor. Next we include a new Long Duration High Voltage Conditioning Process, initially engineered for our flagship SRX cables, making Foundation SX the most musical and highest resolution headphone cables you can buy. With a full suite of SR Technologies, you hear inner detail and holographic realism that’s never harsh or fatiguing, unlike most pure silver-based cables. And to make voicing them to your headphone rig easy, we include UEF Carbon Tuning discs to strike the perfect balance of musicality and resolution. In short, we’ve created the world’s best headphone cables, and we’re confident you’ll love their sound over ANY headphone cable on the market, regardless of price. So step up, take the Foundation SX Challenge and discover how good your current headphone system actually is.
Source Connections.
4 PIN XLR, 3.5mm connector (with included 6.35mm (1/4″) adapter) or Dual 3 PIN XLR (+$100)
* For other connections please contact us
Specifications:
4 each Silver Air String:
Silver Air Strings: 99.9999% pure monocrystal silver conductor
4 separate conductors
Dielectric: Air (sealed)
Shielding: Silver Braid -Quantum Tunneled
Source Connectors:
Neutrik 4 PIN XLR
3.5mm with 6.35mm (1/4″) adapter
Destination Connectors:
2 Pin Lemo
3 Pin Lemo (Focal Utopia)
MMCX ( Pioneer SR-Master1: Shure SRH1540 and SRH1840)
Sennheiser Push-Pull (Sennheiser HD820, HD800S, and HD800)
Always confirm your connections with your headphone manufacturer.
Build Notes:
12 point-to-point hand soldered connections
Atmosphere Level 2 UEF Matrix Shielding: UEF coating with Graphene is applied directly to connectors significantly reducing the noise floor and allowing a purer signal to transfer with less grain providing more warmth and detail
Silver Solder: 4%
Hand build time: 2 hours
Quantum Tunneling: Post Production process, 1 million volts are passed through finished cable providing a “canal” that allows electrons to pass more freely through conductor material and connections
Secondary UEF Blue Treatment originally developed for SR Blue Fuses
