Radial Engineering DIRECT-DRIVE Amp Simulator & DI Box
SKU: 65930668909

Radial Engineering DIRECT-DRIVE Amp Simulator & DI Box

Sale price$139.50 Regular price$155.00
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Description

Radial Engineering DIRECT-DRIVE Amp Simulator & DI BoxKey Features Amp & Cab Simulator in Pedal Form Combo, Stack & 4x12 Cab Settings Presence Switch to Add Highs 180 Polarity Reverse Switch Ground Lift Switch Thru Put for Feeding Amp on Stage Buffered Tuner Output 1 4" and Balanced XLR DI Outputs Runs off of 9 VDC Power The JDX Direct Drive from Radial Engineering is an amp simulator for your pedalboard, giving you the tone and feel of not just one, but three different amp cab configurations. With this

Key Features
  • Amp & Cab Simulator in Pedal Form
  • Combo, Stack & 4x12 Cab Settings
  • Presence Switch to Add Highs
  • 180° Polarity Reverse Switch
  • Ground Lift Switch
  • Thru-Put for Feeding Amp on Stage
  • Buffered Tuner Output
  • 1/4" and Balanced XLR DI Outputs
  • Runs off of 9 VDC Power

The JDX Direct-Drive from Radial Engineering is an amp simulator for your pedalboard, giving you the tone and feel of not just one, but three different amp/cab configurations. With this pedal, you can very well avoid lugging an amplifier around town from gig to gig altogether, though the pedal does provide a passive thru-put to feed unprocessed signal to your onstage amplifier, should you choose to go that route anyway. A dedicated, buffered tuner output supplies any electronic tuner with guitar tone without extra loading on your pickup, or without introducing noise from quartz clocks.

The pedal itself uses carefully tailored filters to create faithful emulations of caps, combos, and amp/cab configurations. You have choices here. You can select the COMBO setting, which models an early Fender Twin, or STACK mode, which mimics the timbre of a Marshall tube head feeding a 4x12 cabinet. JDX 4x12 Mode gives you the cabinet only, its tone specifically modelled to give you the sound of a cabinet mic’d by a Shure SM57 dynamic microphone. Both COMBO and STACK modes can receive even more tonal juicing from a special, two-position toggle switch, which lets you boost the highs for extra sparkle.

For outputs, the pedal provides a standard, phone type 1/4” jack and a balanced XLR DI for feeding processed signal to the house, a mixer, or a recording interface. A 180° polarity-reverse switch allows you to phase-align the signal with your onstage amplifier, if it happened to be out of phase, while a ground switch eliminates hums and buzzing often associated with ground loops. The pedal runs off of 9 VDC, either from a pedalboard brick, or from a separately available power supply.

Controls at a Glance
POLARITY Toggleswitch: This toggles pin-2 and pin-3 on the XLR output, helping you phase-align your amp with stage monitors.

 

GROUND Toggleswitch: This lifts Pin-1 on the balanced XLR output to help reduce the hum and buzzing caused by ground loops.

AMPLIFIER Toggleswitch: Part of the Tone Voicing section, this three-position toggle offers three different amplifier emulations. COMBO models the tone of a Fender Twin, STACK mimics the timbre of a Marshall amp/cab configuration, and JDX 4x12 emulates only the sound of a 4x12 stack.

PRESENCE Toggleswitch: Also part of the Tone Voicing section, this two-position switch provides extra sparkling highs for the STACK and COMBO settings. 

Connections at a Glance
THRU: Use this to feed unprocessed tone to an on-stage amplifier, or a dry 1/4" studio DI input.

 

TUNER: This Hi-Z always-on output can be used to connect to an electronic tuner.

XLR: This balanced output is useful for feeding processed signal to a PA system or the XLR input of a recording device.

Radial Engineering JDX Specs

Controls POLARITY Toggleswitch
GROUND Toggleswitch
AMPLIFIER Toggleswitch
PRESENCE Toggleswitch
Connections 1 x 1/4" Instrument input, phone type
1 x 1/4" Instrument output, phone type
1 x 1/4" Thru output, phone type
1 x 1/4" Tuner output, phone type
1 x XLR Balanced DI output
Audio Circuit Type Class-A BiFET input buffer with electronic frequency shaping circuitry
Dynamic Range 83 to 100 dB
Gain Maximum gain, input to XLR output: 0 dB
minimum gain, input to 1/4" output: -5.8 dB
Noise Floor -78 dBu
Maximum Input > +5 dBu
Total Harmonic Distortion < 0.01%
Inter-Modulation Distortion > 0.1% at -15 dBu out
Output Impedance XLR output: 600 Ohms
1/4" output: 100 Ohms
Output Clip Level XLR output: > +5 dBu
Construction 14-gauge steel chassis and outer shell
Finish Powder coat
Power 40 mA, 9 VDC
Dimensions 4.8 x 3.6 x 2.0" / 120.7 x 92.1 x 50.8 mm
Weight 1.6 lb / 0.7 kg
Packaging Info
Package Weight 1.75 lb
Box Dimensions (LxWxH) 6.3 x 4.3 x 2.9"
                                  Shipping Notes
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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: 65930668909

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                                  4.2 ★★★★★
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                                  Natrona Heights, US
                                  ★★★★★ 4
                                  Normally amazing
                                  Color: Spiky Ball (Blue, Orange), Size: Medium
                                  We have purchased these slightly spiky dog balls several times for our very strong jaw heavy chewer dogs and they’ve been amazing. They don’t break down they don’t get torn apart the squeakers don’t even pop out of them. So we ordered another package because we’ve lost a few outside to the lawnmower… oops and the package that got delivered today had only one ball that squeaks and the other does not. THIS IS A PROBLEM ! Unfortunately my female dog got to the new squeaking ball first and my male got to the non-squeaking ball and he was NOT happy. Basically once they claim a ball it’s theirs and the other dogs don’t go near the ball they claimed. So he’s following my female around and every time she squeaks the ball and I’m just waiting for him to attempt to take it from her causing damage to her. Normally… These are amazingly fun, tough, durable but also squeaking balls (that’s rare in a tough ball) that my dogs absolutely love. This time just got a bad batch I guess. When they squeak the dogs LOVE them. After several months of play the squeaker might break inside of the ball but the ball never comes apart or gets damaged. And we as the owners love that they don’t break down are not able to be ripped or torn even by our very strong jawed and big jaw muscle dogs. They are also great for in the house play because they’re small enough that they fit completely inside our dog‘s mouth but obviously not small enough to get swallowed so when we throw them in the house for fetch the dogs can jump up and catch them fully in their mouth so they don’t cause any damage to the walls when they hit the walls. They’re not super heavy but they’re incredibly durable. Definitely worth the price especially if you have heavy chewers or big jaw muscle dogs.
                                  WAS THIS REVIEW HELPFUL?YesReportShare
                                  Reviewed in the United States on April 28, 2026
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                                  Verified Purchase
                                  MADDY
                                  Los Angeles, US
                                  ★★★★★ 5
                                  Best fun indestructible toy
                                  Color: Crinkle Duck (Yellow), Size: Large
                                  Truly indestructible no matter how much our oittie tries. She has owned it for three months works at destroying every day with no success. She carries it everywhere. Best purchase for chewer, more fun than the popular rubber heavy duty toy. Do not hesitate your pup will thank you for this fun distraction.
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                                  Reviewed in the United States on May 30, 2026
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                                  Verified Purchase
                                  peter contino
                                  Fort Morgan, US
                                  ★★★★★ 5
                                  My dog loves this toy!
                                  Color: Bunny (Gray), Size: Large, Color: Bunny (Gray), Size: Large
                                  High quality, big toy, perfect for a medium to large size dog. After a few months of serious chewing I had to buy another one, but well worth the money! Rocky loves it.
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                                  Reviewed in the United States on June 11, 2026
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                                  Denise Boyd
                                  Belleville, US
                                  ★★★★★ 4
                                  Great toy but if your dog is an aggressive chewer, please think twice.
                                  Color: Crinkle Chicken (Brown), Size: Large
                                  I received this on May 23rd and on June 8th, after playing with this thing every day, our recently acquired 36 lb dog finally ripped it open and got out all the plastic and the squeaky part. Lily Belle will miss you, chicken. Lily loooooved this toy! She'd toss it in the air, chew on it, pull it with her teeth etc. but as much as she loved it, we won't replace it. It's just not durable enough for her. If your dog is an aggressive chewer, you might want to try a different toy. I hate that this lasted just a smidge over two weeks because Lily seemed to truly enjoy this toy. RIP, squeaky chicken!
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                                  Reviewed in the United States on June 9, 2026
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                                  Verified Purchase
                                  Literally doesn’t work
                                  Grantham, US
                                  ★★★★★ 5
                                  Great Value Toy
                                  Color: Crinkle Duck (Blue), Size: Large, Color: Crinkle Duck (Blue), Size: Large
                                  This toy has been one of my dog’s absolute favorites. He gets excited every time he sees it and will carry it around the house, toss it in the air, and keep himself entertained for a long time. The shape and texture seem perfect for him, and it quickly became one of his go-to toys over everything else in his basket. What I really like is that it holds up reasonably well for the price. It’s definitely not indestructible, and after a lot of play, it will sometimes start to rip—usually around the feet first since that’s where my dog tends to grab and chew the most. But honestly, considering how affordable it is, I don’t mind replacing it when needed. It’s inexpensive enough that rebuying feels worth it because he genuinely loves it that much. I’d rather keep buying a toy he is obsessed with than spend more on something that just sits untouched. It’s fun, cute, and keeps him happy, which is what matters most. Overall, I’d definitely recommend it for dogs who love plush toys and playful chewing.
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                                  Reviewed in the United States on April 28, 2026

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