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"
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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.
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                                  SKU: 65930668909

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                                  4.8 ★★★★★
                                  Based on 828 reviews
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                                  Marie Davis
                                  Lowell, US
                                  ★★★★★ 1
                                  Dogs would not even put in their mouth!
                                  Flavor Name: Beef, Size: Large
                                  Toy is rock hard. Have seen toys like that before, but the smell is disgusting. I have 5 dogs, and while this was purchased for one in particular, none of the dogs would chew on it. Only one put it in his mouth, and then immediately spit it out. My dogs are not picky or finicky but none would have anything to do with it. Total waste of money.
                                  WAS THIS REVIEW HELPFUL?YesReportShare
                                  Reviewed in the United States on June 7, 2026
                                  K
                                  Verified Purchase
                                  Klara Gengler
                                  New York, US
                                  ★★★★★ 5
                                  Last a while. Will be buying more toys soon.
                                  Color: Consuela the Cactus - Large, Size: Large Dog
                                  Best dog toy I have ever bought. I have three dogs, two at the time I bought this toy. It took them over a year to break through the first layer. The flower comes off first so be careful your dog doesn't swallow it. It still has the second layer so it still looks like a cactus. No stuffing to clean up when they tear into it, which makes it far less messy than other toys. One of my dogs is obsessed with fetch so I use it like a ball inside. The oval shape makes it hard to ensure when it bounces that it will bounce straight. It's bounced into walls and other stuff that I wasn't intending it to hit. Not much of a squeak so I can let them play with it for hours and I don't get annoyed with the noise. Great toy that lasts a while.
                                  WAS THIS REVIEW HELPFUL?YesReportShare
                                  Reviewed in the United States on September 25, 2025
                                  C
                                  Verified Purchase
                                  Cassie
                                  Cuba, US
                                  ★★★★★ 5
                                  Nice Value
                                  Color: Consuela the Cactus - Large, Size: Large Dog
                                  Very cute! Its soft and feels like it is well made. It is a heavier toy and a tougher one. Not a plush toy. I will order again for our older dogs. Nice value for sure!
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                                  Reviewed in the United States on June 11, 2026
                                  B
                                  Verified Purchase
                                  Blakely McAllister
                                  Los Angeles, US
                                  ★★★★★ 5
                                  Great toy for our best boys!
                                  Color: Consuela the Cactus - Large, Size: Large Dog
                                  You can never go wrong with BarkBox toys and this was no exception. Our dogs like toys that have squeakers and that they can tear into. This style of toy fits the bill. The design is cute as well. I’ve had this in the house for months and, while it’s definitely seen better days, it’s still intact and they haven’t gotten to the inner layer. (Not for want of trying.) The perfect type of toy for our fur babies.
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                                  Reviewed in the United States on February 10, 2026
                                  A
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                                  Amazon Customer
                                  Boise, US
                                  ★★★★★ 5
                                  Survives 7 months so far.
                                  Color: Christmas Consuela, Size: Large Dog
                                  It is still intact after nearly 7 months of constant play. My blue heeler normally destroys toys in just a few weeks. Consuela has exceeded expectations of survival with an extremely chewy, destruction prone dog.
                                  WAS THIS REVIEW HELPFUL?YesReportShare
                                  Reviewed in the United States on June 6, 2026

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