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Audio Direct Boxes
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Radial Engineering USB-Pro Stereo USB Laptop DI
BH # RAUSBPRO MFR # R800 1050
Key Features
- Connect a Computer to a PA or Mixer
- Built-In 24-Bit / 96 kHz Converter
- 2 x Balanced XLR 3-Pin Outputs
- 3.5mm Stereo Headphone Output
Top Seller
Radial Engineering ProD2 Direct Box
BH # RAPROD2 MFR # R800 1102
Key Features
- For Keyboards
- 2 x 1/4" Inputs with Thru Outputs
- -15 dB Pad for Active Instruments
- Handles Huge Transients without Chocking
Available in other Styles, Configurations & Kits
Top Seller
Radial Engineering ProDI Direct Box
BH # RAPRODI MFR # R800 1100
Key Features
- For Stage & Home Recording Studio Use
- Handles High-Output Instruments
- Transformer Isolated, No Ground Loops
Available in other Styles, Configurations & Kits
Kopul LT-PDI2 Laptop One-Channel Passive Direct Box
BH # KOLTPDI2 MFR # LT-PDI2
Key Features
- Compact Passive Direct Box
- For Laptops, Tablets, and Smartphones
- 3.5mm to Balanced XLR Conversion
- No Power or Batteries Required
Kopul High-Performance Passive Direct Box
BH # KOPDI40 MFR # PDI-40
Key Features
- Connect a Keyboard to a Mic Input
- Connect a Guitar or Bass to a Mic Input
- Converts Unbalanced to Balanced
- Converts High Impedance to Low Impedance
Radial Engineering JDI Mk3 Direct Box
BH # RAJDI MFR # R800 1010
Key Features
- Eliminates Hum & Buzz from Ground Loops
- Zero Phase & Harmonic Distortion
- Jensen Transformer Equipped
Available in other Styles, Configurations & Kits
Radial Engineering StageBug SB-5 Stereo Laptop DI
BH # RASB5LAPTOP MFR # R800 0150
Key Features
- Connects a Mobile Device to a PA/Mixer
- 3.5mm TRS Male Plug on 5' Attached Cable
- Switchable -15 dB Pad
- Custom-Wound Transformers
Whirlwind IMP 2 Direct Box
BH # WHIMP2 MFR # IM2
Key Features
- 1/4" Parallel In/Out Jacks
- Ground-Lift Switch Isolate Hum and Buzz
- Built-In TRHL Transformer
Kopul SDI-PPC Stereo Multimedia Passive Direct Box
BH # KOSDIPPC MFR # SDI-PPC
Key Features
- Connect Instruments to Mic Inputs
- Connect PC, Tablet, DJ Mixer to XLR In's
- Convert Unbalanced to Balanced
- Convert High Impedance to Low Impedance
Kopul BLT-96 Wireless Audio Direct Box
BH # KOBLT96 MFR # BLT-96
Key Features
- Stream Audio to Mixers and PAs
- High-Res 24-Bit / 96 kHz Bluetooth Audio
- Dual Balanced XLR Outputs
- Built-In Hi-Fi Audio Transformers
Radial Engineering ProAV2 Passive Stereo Multimedia Direct Box
BH # RAPROAV2 MFR # R800 1115
Key Features
- For Multimedia Applications
- 1/4" / RCA / 3.5mm Inputs, XLR Outputs
- Transformer Isolation Eliminates Hum
- Handles Huge Transients, No Distortion
Radial Engineering BT-PRO V2 Stereo Bluetooth Direct Box
BH # RABTPV2 MFR # R800 1057
Key Features
- Connect Wireless Audio to PAs & Mixers
- Stream Audio over Bluetooth 5.0
- Stereo XLR Outputs
- 3.5mm Output for Headphones
Kopul PAX-USB USB to XLR Audio Direct Box for Digital Audio to PA Systems & Mixers
BH # KOPAXUSB MFR # PAX-USB
Key Features
- Output Computer Audio to PA or Mixer
- USB-C Digital Input
- Two Balanced XLR 3-Pin Outputs
- Ground-Lifted Outputs
Rupert Neve Designs RNDI-M Active Transformer Direct Interface
BH # RURNDIM MFR # RNDI-M
Key Features
- Ultracompact and Streamlined
- Same Circuitry as RNDI, RNDI-S, RNDI-8
- Class-A Biased Discrete FET Amplifiers
- Low-Impedance, Transformer-Balanced Out
Available in other Styles, Configurations & Kits
Whirlwind pcDI Stereo Line Interface
BH # WHPCDI MFR # PCDI
Key Features
- RCA, 3.5mm TRS, 1/4" TS Inputs
- XLR Outputs
- Per-Channel Ground Lift
- 20 dB Pad
Klark Teknik DI 22P Passive Stereo DI Box with Midas Transformers
BH # KLDI22P MFR # 0811-AAF86-000
Key Features
- Convert Audio to Balanced Line Signal
- Accepts Instrument, Line, Speaker Levels
- Custom-Built Midas Transformers
- 1/4", 3.5mm, and RCA Input Connectors
Radial Engineering Pro-ISO +4/-10 dB Stereo Line Isolator
BH # RAPROISO MFR # R800 1150
Key Features
- Convert Balanced Line to Unbalanced
- Transformer Isolated Eliminates Hum/Buzz
Radial Engineering ProAV1 Passive Multimedia Direct Box
BH # RAPROAV1 MFR # R800 1112
Key Features
- For Multimedia Applications
- Mono 1/4", Stereo RCA, and 3.5mm Inputs
- Mono XLR Line-Level Input
- Mic-Level Mono Sum at XLR Out
Radial Engineering J48 Phantom Powered Active Direct Box
BH # RAJ48 MFR # R800 3001
Key Features
- No Batteries Required
- Merge Switch Sums Stereo Instruments
- Low Cut/Polarity/Pad/Ground Switches
Available in other Styles, Configurations & Kits
Klark Teknik DI 10P Stereo to Mono Passive DI Box with Midas Transformer
BH # KLDI10P MFR # 0811-AAD86-000
Key Features
- Passive DI Box Requires No Power
- Stereo Input and Summed Mono Output
- Custom-Built Midas Transformer
- High-Headroom Design
Klark Teknik DI 20P Passive Stereo DI Box with Midas Transformers
BH # KLDI20P MFR # 0811-AAE86-000
Key Features
- Convert Audio to Balanced Line Signal
- Accepts Instrument, Line, Speaker Levels
- Custom-Built Midas Transformers
- Two 1/4" TS Input Connectors
Dsan LSP-2 Laptop SoundPort - Computer Speaker/Headphone Output Adapter
BH # DSLSP2 MFR # LSP-2
Key Features
- Converts to Balanced Stereo Out
- Dual XLR Outputs
- Volume Control per Channel
- Ground Lift Switch
Behringer DI800 V2 Rackmountable 8-Channel Mains/Phantom Powered DI Box
BH # BEDI800V2 MFR # 0809-AAM86-US1
Key Features
- 8-Channel Rack DI-Box for Stage & Studio
- 8 1/4" TS Unbalanced Inputs
- 8 1/4" TS Unbalanced LINK I/O
- 8 1/4" TS Unbalanced Outs (Post Amp)
Radial Engineering Trim-Two Stereo DI with Volume Control
BH # RATTVC MFR # R800 1117
Key Features
- For Line-Level Sources
- Connects Laptops, Consumer Devices
- Variable Volume Control
- Dual 1/4", RCA Inputs
Radial Engineering JDI Stereo Passive Direct Box
BH # RAJDIS MFR # R800 1012
Key Features
- Equipped with Jensen Transformers
- -15 dB Pad Per Channel
- Flat Frequency Response
- Transformer-Isolated I/O
Available in other Styles, Configurations & Kits
Radial Engineering StageBug SB-1 Active Direct Box
BH # RASB1ACOUSTC MFR # R800 0110
Key Features
- Active DI Box
- For Acoustic Guitar & Passive Bass
- Convert Hi-Z to Balanced Lo-Z
- 1/4" TS Input and XLR Output
Radial Engineering StageBug SB-4 Piezo DI
BH # RASB4PIEZO MFR # R800 0140
Key Features
- Active Direct Box for Piezo Transducers
- Smooths Out Peaks and Eliminates Squawks
- Powered by 48V Phantom Power
- Compact Design Fits in Instrument Case
Whirlwind DIRECTOR - Studio or PA Direct Box
BH # WHD MFR # DIR
Key Features
- Converts Signals to Balanced Mic Level
- Reduces Impedance of Input Signals
- Supports Line, Hi-Z, or Speaker Inputs
- 1/4" Parallel Wired I/O