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DI Boxes

Signal Processing -> DI Boxes

DI boxes, also known as direct injection or direct boxes, convert unbalanced, high-impedance instrument or line sources into a balanced lo-Z format for direct connection to a balanced input such as a mixing console's mic input. This, plus the fact that balanced signals easily travel longer cable runs, makes DI boxes indispensible pieces of gear.
We carry a large range from entry-level Behringer models to the much sought-after models from Radial Engineering and Klark Teknik. Active or passive models, Jensen-equipped or other transformer-balanced isolators, we have them all.

AVLFX / Loud Technologies Asia is the official Radial Engineering, Klark Teknik and Behringer distributor and authorised service centre for Singapore.

RDL FP-UBC2 Unbalanced to Balanced Converter - 2 Channel

only 1 unit left!
Key Features:
  • Stereo Unbalanced to Balanced Audio Conversion
  • Connectorized Audio Converter
  • Output Level Trim
  • Low-Noise and Low-Distortion Conversion
  • Cabinet, Shelf or Rack Mounting
  • Convenience of RDL FLAT-PAKs
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S$ 258.99
1 item in stock Add to cart Add to wishlist

ART Zdirect DI Box

only 4 units left!
Key Features:
  • Single-channel passive direct box
  • A stylish and very compact durable aluminum chassis
  • Input Attenuator switches for a wide range of signal levels
  • Phase Invert switch on the box for quick phase corrections
  • An "input thru" jack that allows for tapping off of the signal chain
  • A ground lift switch which lets you totally separate the input and output signal grounds, to reduce hum and ground-loop noise
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was: S$ 60.00
now: S$ 49.99
Typically ships same or next business day Add to cart Add to wishlist

Radial Engineering StageBug SB-1 Active Acoustic Direct Box

Active Acoustic DI
Not shipping to UNITED STATES OF AMERICA
Key Features:
  • Active direct box for acoustic and passive bass
  • Ultra compact to fit in your guitar case
  • Plug & play easy to use feature set
  • 48V phantom powered, no batteries needed
was: S$ 120.00
now: S$ 109.99

Radial Engineering StageBug SB-2 Passive Direct Box

Passive DI
Not shipping to UNITED STATES OF AMERICA
Key Features:
  • Passive DI for bass, acoustic, and keyboard
  • Ultra compact to fit in your guitar case
  • Plug & play easy-to-use feature set
  • Transformer isolation eliminates noise
was: S$ 120.00
now: S$ 109.99

Radial Engineering StageBug SB-5 Laptop DI

Passive Stereo Direct Box For Laptops & Mobile Devices
Not shipping to UNITED STATES OF AMERICA
Key Features:
  • Stereo direct box for laptops, smartphones, and tablets
  • Cable with 3.5mm stereo plug to connect to mobile devices
  • Transformer isolation eliminates hum and buzz
  • Plug & play easy to use, no power required
  • Compact design fits in your laptop bag
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was: S$ 172.50
now: S$ 156.99

Radial Engineering ProDI - Single Channel Passive Direct Box

Pro DI Passive
Not shipping to UNITED STATES OF AMERICA
Key Features:
  • Great sounding, single channel, rugged passive DI for acoustic guitars and bass guitars
  • High performance custom-wound transformer eliminates noise
  • Very low harmonic and phase distortion
  • -15dB pad for wide range of input levels and a ground lift switch eliminates ground loop hum
  • Ideal for live sound and studio
  • Passive design requires no external power
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was: S$ 172.50
now: S$ 156.99

Radial Engineering ProD2 - Stereo Passive Direct Box

Pro D2 Stereo Passive
Not shipping to UNITED STATES OF AMERICA
Key Features:
  • Great sounding, stereo, rugged passive DI for electronic keyboards and drum machines
  • High performance custom-wound transformers eliminates noise
  • Very low harmonic and phase distortion
  • -15dB pads for wide range of input levels and a ground lift switches eliminate ground loop hum
  • Ideal for live sound and studio
  • Passive design requires no external power
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was: S$ 262.50
now: S$ 238.99

Radial Engineering ProD8 - 8 Channel Rackmount Passive Direct Box

8 Input Rackmount DI
Not shipping to UNITED STATES OF AMERICA
Key Features:
  • Eight-channel rack-mount direct box
  • 100% discreet Class-A electronics
  • Each channel transformer isolated to eliminate noise
  • Each channel features an effects-loop that works like an insert on a mixing console
  • Pad switch engages a -15dB pad to reduce the input level and prevent overload from high output devices
  • Military-grade double-sided PCB is bolted to steel standoffs for road-tough construction
  • Connectors are 100% electrically isolated from the chassis
  • Can drive a guitar signal 300 feet without loss
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was: S$ 1,275.00
now: S$ 1,199.99

Radial Engineering Pro48 - Active Direct Box

PRO48 Active
Not shipping to UNITED STATES OF AMERICA
Key Features:
  • High resolution active direct box
  • 48V phantom powered with digital switching
  • Excellent headroom and dynamic range with low noise floor
  • Ground lift switch, when activated helps to reduce hum and buzz caused by ground loops
  • Pad switch engages a -15dB pad to reduce the input level and prevent overload from high output devices like CD players and active pickups
  • Connectors are 100% electrically isolated from the chassis
  • Inner steel enclosure is made extremely rigid with an I-beam profile, eliminating any stress that could torque the PC board and cause solder joint failure
  • Military-grade double-sided PCB is bolted to steel standoffs for road-tough construction
  • For live situations the neoprene foam foot provides electrical isolation and plenty of friction to stay put
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was: S$ 172.50
now: S$ 156.99

Radial Engineering ProAV2 - Audio/Video Passive Stereo Direct Box

PROAV2 Stereo Passive
Not shipping to UNITED STATES OF AMERICA
Key Features:
  • Professional stereo direct box for multimedia applications
  • Easy to use
  • Ultra-quiet passive design requires no external power source
  • Eliminates ground loops that can cause hum and buzz
  • Handles huge transients without distortion
  • The 14 gauge steel "bookend design" outer shell creates a protected zone around the connectors and switches
  • Inner steel enclosure is made extremely rigid with an I-beam profile, eliminating any stress that could torque the PC board and cause solder joint failure
  • Military-grade double-sided PCB is bolted to steel standoffs for road-tough construction
  • The neoprene foam foot provides electrical isolation and plenty of friction to stay put
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was: S$ 300.00
now: S$ 272.99

Radial Engineering JDI Mk3 - Professional Passive Direct Box with Jensen Transformer

JDI MK3 Jensen Passive
Not shipping to UNITED STATES OF AMERICA
Key Features:
  • Phase coherent professional direct box with 100% passive design and Jensen Transformer equipped
  • Ultra linear performance from 10Hz to 40kHz
  • Dual function inputs with two-channel merge
  • Polarity reverse, ground lift and pad switches
  • Ultra-durable welded steel chassis with double sided printed circuit board
  • No-slip bottom pad and protective channel for switches
  • Ideal for acoustic guitars and basses, keyboards, modules and electronic drums
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was: S$ 330.00
now: S$ 299.99

Radial Engineering JDI Stereo Passive Direct Box

JDI™ Jensen Stereo Passive DI
Not shipping to UNITED STATES OF AMERICA
Key Features:
  • Equipped with Jensen Transformers
  • -15 dB Pad Per Channel
  • Flat Frequency Response
  • Transformer-Isolated I/O
was: S$ 495.00
now: S$ 449.99

Prices do not include taxes.

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