Radial JDI Duplex mk4 Stereo Direct Box
SKU: 94209168387

Radial JDI Duplex mk4 Stereo Direct Box

Sale price$216.00 Regular price$240.00
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Description

Radial JDI Duplex mk4 Stereo Direct BoxBrand: Radial Engineering Color: Green Features: 10dB RCA connectors +4db XLR inputs Jensen transformer equipped passive DI 100% isolation eliminates ground loops Ultra linear response from 10Hz to 40kHz Virtually zero phase & harmonic distortion Exceptional signal handling Eliminates hum and buzz from ground loops The Radial JDI Duplex is a full feature, stereo passive direct box designed to enhance connectivity, reduce noise, and simplify the hectic

Brand: Radial Engineering

Color: Green

Features:

  • -10dB RCA connectors +4db XLR inputs Jensen transformer-equipped passive DI 100% isolation eliminates ground loops Ultra linear response from 10Hz to 40kHz Virtually zero phase & harmonic distortion Exceptional signal handling Eliminates hum and buzz from ground loops
  • The Radial JDI Duplex is a full-feature, stereo passive direct box designed to enhance connectivity, reduce noise, and simplify the hectic life of the touring professional, broadcast engineer or AV integrator
  • It is plug-and-play and easy to use while delivering the utmost sonic quality
  • Like the Radial JDI, the Duplex employs two high-performance 'made in the USA' audio transformers and the same pristine audio signal path that has made the JDI the industry standard
  • It features exceptional signal handling with virtually zero phase shift or harmonic distortion, while remaining linear across the entire audio spectrum

PartNumber: JDI Duplex

Release Date: 03-10-2010

Details: DescriptionIt just might be the world's finest direct box. The Radial JDI Duplex is a full-feature, stereo passive direct box designed to enhance connectivity, reduce noise, and simplify the hectic life of the touring professional, broadcast engineer or AV integrator. It is plug-and-play and easy to use while delivering the utmost sonic quality. Like the Radial JDI, the Duplex employs two high-performance 'made in the USA' audio transformers and the same pristine audio signal path that has made the JDI the industry standard. It features exceptional signal handling with virtually zero phase shift or harmonic distortion, while remaining linear across the entire audio spectrum. When driven to extremes, the natural transformer saturation and resulting warm Bessel curve makes the Radial Duplex the perfect choice for smoothing out highly dynamic instruments such as digital pianos and electronic drums that can sound harsh when pushed. Transformer isolation provides the additional benefit of eliminating troublesome ground loops that can cause hum and buzz in the audio system or interfere with video displays. This 'Swiss Army knife' DI is equipped with ¼' connectors for instruments, RCA connectors and a 3.5mm TRS for unbalanced -10dB consumer electronics plus XLR inputs for +4dB professional line sources. Radial's innovative book-end design provides protective zones on the front and rear to keep connectors and switches out of harm's way. The 14 gauge I-beam inner frame adds tremendous rigidity to eliminate outside stresses that could torque the PC board and cause premature solder joint and trace failure. The steel outer shell couples with the transformer's mu-metal shield to protect against stray magnetic fields from power transformers or lighting systems that could cause interference. Finally, a full-bottom no-slip pad works double-duty by providing both mechanical and electrical isolation. The Radial Duplex delivers outstanding connectivity, superlative audio and quiet dependable ...

UPC: 663647949004

EAN: 0676101034093

Model: R8001020

Binding: Electronics

Item Note: Authorized Dealer with factory Warranty!!!

Item Condition: New

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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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]
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SKU: 94209168387

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4.3 ★★★★★
Based on 1751 reviews
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H
Verified Purchase
Henry A. Munford
Fort Morgan, US
★★★★★ 5
Great
Size: Large, Color: 5 Pack
These are big deal toys for our dogs. Use them when have to go out for a whole day. Have bought three sets over about two years. Takes them a several days to gut and get to the squeaker. They keep the skin around for months if we let them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 10, 2026
F
Verified Purchase
F. S. H.
Alexandria, US
★★★★★ 5
Dogs love them!
Size: Large, Color: 5 Pack
May dogs loved these. The squeaks last long enough but get lots of wear and tear. Worth money for the fun. My dog is 12 and still enjoys perfect size, weight, and flexibility.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
B
Verified Purchase
Buck Rogers
Alexandria, US
★★★★★ 5
GREAT Value even for a big boy.
Size: Large, Color: 5 Pack
My new 80lb husky/lab rescue LOVED his birthday present. They crinkle has he plays air-fetch w/himself! He does instantly puncture the squeekies at either end, but he's a large dog who chews. And these are SAFE for that. I figure 5 will last 2 months, but for the price? Who cares! He's worth it! Next time I'll go brighter colors because he tosses far &wide.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
L
Verified Purchase
Lisa J
Carnegie, US
★★★★★ 4
Squeaker short-lived, enjoyment long-lasting
Size: Large, Color: 5 Pack
My 10-pound dorkie rips out the squeakers in about 30 minutes. I wish they were sturdier or the parts of the toy housing the squeaker were reinforced. However, he is so excited to get a new one and will continue to play with it even when the squeaker is out. He loves to play tug. They do get pretty gross from the chewing and definitely benefit from a trip through the washer. While this is not a very sturdy toy it provides so much entertainment I had to give it four stars.
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Reviewed in the United States on March 31, 2026
D
Verified Purchase
Deborah
Lexington, US
★★★★★ 5
Pups are happy!
Size: Large, Color: 5 Pack
Our dogs love these toys! What a great find! We will be buying different ones.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026

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