Pricing and availability

We compare 600+ stores and found this item at 8 stores. Prices updated .

Sweetwater
5.0 (11)
$94.99
Amazon
4.7 (92)
$94.99
Reverb
5.0 (5)
$80.99 31 available New
Musician's Friend
4.0 (1)
$94.99
Thomann
4.8 (149)
$95.00

Average Price: $93

Budget/Beginner

$119

$300+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 5 merchants for "Radial StageBug SB-1 Active DI". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.

Description

The Radial StageBug SB-1 Active DI Box is a powerhouse in a compact package, designed specifically for musicians who demand pristine audio quality on the go. Whether you're an acoustic guitarist, bassist, or keyboard player, the SB-1 ensures your sound remains vibrant and clear, even across long cable runs. Engineered with an ultra-quiet active circuit, it deftly converts your high-impedance signal to low, minimizing noise and maintaining the integrity of your tone. Powered by 48V phantom power, this DI box frees you from the hassle of batteries, making it an effortless plug-and-play solution.

The SB-1 is not just about convenience; it's about control. With a -15dB pad, you can safely manage hotter signals from active instruments without distortion. Additionally, the 180° polarity switch is a nifty feature that helps you eliminate unwanted feedback on stage. Designed to fit snugly in your gig bag, the StageBug SB-1 is your trusty companion for any live or studio setup, ensuring your sound is always at its best.

Key Features:

  • Active DI for acoustic guitar, bass, and keyboards
  • Compact design, fits in a guitar case
  • 48V phantom powered; no batteries required
  • 800k-ohm input impedance to avoid loading issues
  • -15dB pad to handle high-output instruments
  • 180° polarity switch to reduce feedback
  • 1/4" input with throughput to feed your amp
  • Balanced XLR output for long cable runs
  • Durable metal housing for road-ready reliability

Owner's manual

Radial StageBug SB-1 Active DI User Manual

Product specs

Type Acoustic/Bass/Keyboard Active Box
Channels 1
Pads -15dB
Polarity Switch Yes
Ground Lift Yes
Inputs 1 x 1/4"
Outputs 1 x XLR, 1 x 1/4" (thru)
Power Source 48V Phantom Power
Height 1.35"
Depth 4.5"
Width 1.85"
Weight 0.55 lbs.

FAQs

What instruments can the Radial StageBug SB-1 Active DI be used with?

The Radial StageBug SB-1 is designed for acoustic guitars, basses, and keyboards, providing clear and balanced signal conversion for these instruments.

Does the Radial StageBug SB-1 require an external power source?

No, the Radial StageBug SB-1 is powered by 48V phantom power, eliminating the need for batteries or external power supplies.

How does the ground lift function on the Radial StageBug SB-1 work?

The ground lift switch on the Radial StageBug SB-1 helps eliminate hum and noise caused by ground loops, ensuring a clean audio signal.

Can the Radial StageBug SB-1 handle high-output instruments?

Yes, the Radial StageBug SB-1 features a -15dB pad, allowing it to accommodate high-output instruments without distortion.

What are the output options available on the Radial StageBug SB-1?

The Radial StageBug SB-1 offers an XLR output for balanced signal routing and a 1/4" thru output for connecting to an amplifier or monitor.

Chris Lang Music (ChrisLangMusic)

Chris Lang Music (ChrisLangMusic)

Radial Stage Bug Series Review SB-1 SB-2 SB-5

Video thumbnail for Radial Stage Bug Series Review SB-1 SB-2 SB-5 by Chris Lang Music (ChrisLangMusic)

Radial Stage Bug Series Review SB-1 SB-2 SB-5

Chris Lang Music (ChrisLangMusic)

Chris Lang Music (ChrisLangMusic)

Video thumbnail for Radial StageBug SB-1 Acoustic DI Box - Sweetwater at Winter NAMM 2013 by Sweetwater

Radial StageBug SB-1 Acoustic DI Box - Sweetwater at Winter NAMM 2013

Sweetwater

Sweetwater

Video thumbnail for Radial SB-1 Active D.I & Xotic Sp Comp & HOF Reverb Acoustic guitar pedalboard/원미사운드 by WM SOUND Guitars 원미사운드

Radial SB-1 Active D.I & Xotic Sp Comp & HOF Reverb Acoustic guitar pedalboard/원미사운드

WM SOUND Guitars 원미사운드

WM SOUND Guitars 원미사운드

Video thumbnail for A.C Guitar Pedalboard(Daddario PW CT-20 / MXR M-109S EQ / JHS 3series Reverb / Radial SB-1) by WM SOUND Guitars 원미사운드

A.C Guitar Pedalboard(Daddario PW CT-20 / MXR M-109S EQ / JHS 3series Reverb / Radial SB-1)

WM SOUND Guitars 원미사운드

WM SOUND Guitars 원미사운드

Video thumbnail for Radial SB-1 D.I + Strymon + MXR M109s Acousticpedalboard Test/원미사운드 by WM SOUND Guitars 원미사운드

Radial SB-1 D.I + Strymon + MXR M109s Acousticpedalboard Test/원미사운드

WM SOUND Guitars 원미사운드

WM SOUND Guitars 원미사운드

Video thumbnail for NadolBassza - TEST D.i.Box Radial Stage Bug SB 1  Active by Nadol Channel

NadolBassza - TEST D.i.Box Radial Stage Bug SB 1 Active

Nadol Channel

Nadol Channel

Video thumbnail for Radial SB-1 DI / Tc hof reverb / Mxr m-109s eq pedalboard by WM SOUND Guitars 원미사운드

Radial SB-1 DI / Tc hof reverb / Mxr m-109s eq pedalboard

WM SOUND Guitars 원미사운드

WM SOUND Guitars 원미사운드

Reviews

PROS

  • Compact size, easily fits in a guitar case

  • Provides an open, natural sound with great dynamic response

  • Works well with both acoustic and bass guitars

  • Phantom powered, eliminating the need for batteries

  • Offers tuner output for onstage amp monitoring

  • Built with sturdy, durable materials; feels expensive

  • Includes useful features like phase reverse and input pad

  • Maintains low-end clarity and full sound without added color

  • Enhances acoustic guitar sound, noticeable improvement

  • Excellent value for the cost, highly recommended by users

CONS

  • Some users experience loose fit with XLR connections causing noise

  • High signal gain may require mixer adjustments

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Radial StageBug SB-1 Active DI.

Features and functionality

  • The Radial StageBug SB-1 is noted to output a clean, strong signal without noticeable noise, even when compared to more expensive DIs.

    Source
  • It's suitable for powered devices like the Strymon Iridium, suggesting compatibility with other powered pedalboards.

    Source

Use cases and applications

  • Owners have successfully used the SB-1 with electric guitars and passive basses, even though it's marketed more for acoustic and bass.

    Source
  • The StageBug SB-1 is reportedly effective for gigging and practicing with a PA system when transitioning from an HX Stomp to a Strymon Iridium.

    Source

Value and pricing

  • Buying the SB-1 used can be a cost-effective option, as Radial products are durable and perform well if in good condition.

    Source
  • The StageBug SB-1 is a viable used purchase option for those needing balanced output from a pedalboard setup.

    Source

Comparisons

  • An owner compared the SB-1 to a Whirlwind IMP-2 passive DI and found no additional noise, highlighting its effectiveness despite being an entry-level model.

    Source
  • Users have considered the Behringer DI400P as a budget alternative, but specific differences with the SB-1 remain unclear without direct A/B testing.

    Source

Critic Reviews

Radial StageBug SB-1 & SB-2 DI boxes

guitarinteractivemagazine.com

5.0 out of 5

Based on 0 Reviews and 2 Ratings

5 star
4 star
3 star
2 star
1 star

Artist usage

Add artist
See how Jamie Stewart uses Radial StageBug SB-1 Active DI

Jamie Stewart

Singer, Guitarist

Xiu Xiu

...
Verified via Photo

In an Instagram post by xiuxiuforlife, Jamie Stewart is shown using the Radial StageBug SB-1 Active DI alongside his Earthquaker pedals. The caption humorously reflects the powerful impact of his setup.

See how Maarten Devoldere uses Radial StageBug SB-1 Active DI

Maarten Devoldere

Composer

Balthazar

...
Verified via Photo

in this pic you can spot the stagebug

J

Jente Pironet

Singer, Guitarist

Portland

...
Verified via Photo

Jente Pironet is seen using the Radial StageBug SB-1 Active DI in a photo he posted on Instagram.

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Radial StageBug SB-1 Active DI, it is most commonly used with the following gear.

More Radial Direct Boxes

Radial JDI

$220.89 - $269.00

# 2

Rank

Matt Heafy Adrian Belew Matthew Healy
29 artists using
Radial Pro 48

$110.44 - $135.00

# 20

Rank

Jake Bugg Martin Carthy Thomas Ramdhan
4 artists using
Radial Pro D8

$1,029.99 - $1,166.00

# 97

Rank

Devin Townsend Max Weinberg Dizzy Reed
5 artists using

Accessories & Related Items

Community setups

Similar

Gear Guides