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Description
DS18 PW-OFC4GA-50BK 4 Gauge 100% OFC (Oxygen Free Copper) Ultra Flex Ground/Power Cable 50 ft. Spool (Black)DS18 PW OFC4GA 50BK 4 Gauge Ultra Flex Pure OFC Power Ground Wire 50 Foot Spool (Black) The DS18 PW OFC4GA 50BK is a premium, competition grade 50 foot spool of 4 AWG power and ground cable, engineered to deliver maximum electrical transfer for high performance mobile audio systems. Unlike standard CCA (Copper Clad Aluminum) wire, this cable is constructed from 100% pure Oxygen Free Copper (OFC). This pure copper design drastically reduces electrical
DS18 PW-OFC4GA-50BK 4-Gauge Ultra-Flex Pure OFC Power/Ground Wire – 50 Foot Spool (Black)The DS18 PW-OFC4GA-50BK is a premium, competition-grade 50-foot spool of 4 AWG power and ground cable, engineered to deliver maximum electrical transfer for high-performance mobile audio systems. Unlike standard CCA (Copper-Clad Aluminum) wire, this cable is constructed from 100% pure Oxygen-Free Copper (OFC). This pure copper design drastically reduces electrical resistance, ensuring your amplifiers receive the precise, stable voltage they need to perform at their peak while eliminating the risk of wire heating. Wrapped in a highly durable, ultra-flexible black PVC jacket, this 4-gauge wire easily routes through tight vehicle interiors, custom amp racks, and engine bays. At 50 feet in length, this spool is the ideal solution for custom builders requiring a highly reliable grounding foundation for multiple amplifiers or high-output alternator upgrades.
Key Features
- 100% Oxygen-Free Copper (OFC): Premium pure copper construction provides superior conductivity, maximum current flow, and unparalleled resistance to corrosion compared to standard CCA wire
- True 4-Gauge (4 AWG) Conductor: High-capacity thickness designed to safely and efficiently handle the high electrical demands of heavy-hitting monoblocks and multi-channel amplifiers
- Ultra-Flexible Black PVC Jacket: The soft-touch, chemical-resistant outer jacket allows this heavy-duty cable to bend and route easily through complex vehicle architectures without kinking
- 50-Foot Custom Spool: An incredibly convenient length that provides ample premium ground wire for multiple vehicle installations, "Big 3" upgrades, and distribution block chassis grounding
- High Strand Count Design: Thousands of finely twisted pure copper strands increase the cable's surface area for optimal power delivery and provide a secure, tight fit inside ring terminals and set-screws
- Sleek Black Finish: Ideal for professional, color-coded grounding or stealth installations where the wire needs to blend seamlessly into the vehicle's chassis
- Low-Voltage Drop Performance: Maintains a highly stable electrical foundation to prevent amplifier clipping and protect your expensive audio equipment during heavy bass demands
- Wire Gauge: 4 AWG
- Length: 50 Feet
- Color: Black
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
4.3 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 4
Decent product. Fits perfectly for 61/64 keys. Just slightly short for 68.
The finish seems fine for the piece I received. Didn't get any splinters or rough edges. Treated it with mineral oil overnight, it now touches and smells great. Just slightly too short for 68 layout but really can't complain for the price. Wish they offer more width options for TKL and full size as well.
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Reviewed in the United States on January 13, 2022
★★★★★ 5
Worth it.
Color: Black Walnut
Looks nice. Very solid. Gets the job done.
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Reviewed in the United States on November 10, 2025
★★★★★ 1
Warped Wood
Color: Black Walnut
I know it's inexpensive, but regardless of the price of an item, it should do what it's meant to do somewhat effectively. The wood was warped and did not sit flat on my desk.
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Reviewed in the United States on April 22, 2025
★★★★★ 3
Great wrist rest, advertised dimensions slightly inaccurate.
Color: Black Walnut
Perhaps this is nitpicky but I purchased this wrist rest because it was perfectly sized to my keyboard at 29cm wide. It got here, and it's a fine wrist rest in terms of quality, material and feel, but it's not 29cm wide, it's 30.5cm wide. The other dimensions are accurate enough - both only .1mm off, but the mismatched width against my keyboard is enough for me to notice it and obsess over it. If that doesn't bother you, I say go for it. At $15 it's a good deal.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Long lasting
Color: Black Walnut
I’ve had this for two years and it still looks brand new after every day use. Love it.
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Reviewed in the United States on January 21, 2026