Radial Pro48 1-channel Active 48v Direct Box

Phantom-powered High-resolution Active Direct Box with -15dB Pad for Active Guitars and Basses
Radial Pro48 1-channel Active 48v Direct Box image 1
Radial Pro48 1-channel Active 48v Direct Box image 1
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Radial Pro48 1-channel Active 48v Direct Box
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A great way to connect your active intruments to your recording system!

The Radial Pro48 is a high-performance 48V phantom powered active direct box designed specifically for today's higher output instruments. The Pro48's innovative digital switching power supply significantly increases headroom and allows for less distortion while yielding a smooth, linear response extending from 20Hz to well above 100kHz resulting in natural, uncolored signal transfer. This superior performance makes the Pro48 an ideal candidate for use with today's battery powered active basses and acoustic guitars that tend to overload other direct boxes. The compact Pro48 is built road-ready with 14 gauge steel in Radial's unique book-end design that provides protective zones around the switches and connectors. The internal welded I-beam construction assures outside stress will not torque the PC board thus assuring longer product life. The Pro48 is designed for high-use applications wherever an active direct box is called for. A -15dB pad switch is provided to tame hot signal and expands the range of instrument preamps and the ground lift switch helps eliminate hum and buzz problems caused by ground loops. With exceptional sonic performance, great natural tone at an affordable price, the Radial Pro48 truly represents a breakthrough in value!

  • Active acoustic guitar
  • Active bass guitar
  • Active electric guitar w/preamp
  • Keyboard / Synthesizer
  • Direct recording
  • Live sound
Radial Pro48 Features:
  • High-resolution Compact Active Direct Box with 48v Phantom power
  • Increased dynamic range and headroom
  • Compact, rugged book-end design with 14-gauge steel welded I-beam construction
  • Ideal for active guitars and basses
  • -15dB Pad
  • 20Hz to 100kHz Frequency Response
Radial Pro48 Active Direct Box - A direct box designed for active guitars and basses without adding color!

Tech Specs

Type Active DI
Channels 1
Inputs 1 x 1/4"
Outputs 1 x XLR, 1 x 1/4" thru
Height 2"
Depth 5"
Width 3.3"
Weight 1.55 lbs.
Manufacturer Part Number R800 1105

Customer Reviews

Based on 8 reviews
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good stuff

better than what peter from Grupo Love secreto expected, this solved many problems during live performances. Thank you sweetwater for helping him on his choice
Music background: Salsa, Latin

Pro48 DI Box

Very clean and lots of gain! Up till now I was only recording acc. guitar with mics but I have found that recording my Taylor's using their preamps(line in) on one track going through the pro 48 and using a condenser on the other track brings the music alive I mean really alive. Thanks Chris you always get it right! Jeff B San Diego
Music background: Musician, Engineer, Studio owner

Stunning Difference

I have to say that I was literally blown away by this device. I was a little skeptical because I was set on the more expensive J48 (twice the price) but budget was an issue and I could do without the dual inputs. We plugged it into a MOTU 828 Mk II that has very clean (but, to me thin) pre-amps that required a lot of gain to get any beef out of a guitar. The first thing we noticed is that we could turn the gain all the way down on the MOTU as the Pro 48 pinned the meters on the first note. After dialing down the gain on the MOTU to infinity we were astounded by the difference in sound. It was clean but had a full body and presence that was noticeably more full and musical than anything we had heard. That was with a two Humbucker Strat so we tried it with three Texas Single Coils and the depth and clarity was also immediately noticeable. Of course we had to dial up a little more gain on the pre for the Single Coils but nowhere near what we usually do. We A/B'd several times with every switch and tone setting and I just don't know why I didn't get this box before. I can safely say that the sound is so natural and present it's as if you never heard each instrument's unique beauty before. You will notice a really musical and pleasurable difference and would likely wonder why you too never got one of these long ago. With the guitar volume turned all the way up and nothing going through the pickups I was able to push up the faders to 6 db with almost imperceptible noise on the Humbuckers and an incredibly low noise for Single Coils. This box has enough oomph so you can trim the gain just right for the Single Coils and get an incredible amount of 100% clean headroom. If you haven't tried the Radial Pro 48 you really haven't heard your axe. It's that good.
Music background: Part time player, composer, arranger producer and engineer.

One great DI

I am using The Radial Pro 48 for Bass Guitar and I have found that it sounds so good that I just bypass the EQ on the board. Every bassist that tries it is blown away at how cleanly it reprduces the sound of thier bass. Its built like a tank, takes phantom power and always sounds perfect.
Music background: Live Sound Engineer, Pro Musician

Great Active DI

As with almost all Radial's stuff, this is a great piece of gear for things like acoustic guitars. Great durability, great sound quality.
See also: Direct Input Boxes, Radial, Radial Direct Boxes