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Radial Engineering Backtrack Stereo Backing Track Switcher with 3.5mm & 1/4 Inch Inputs and Isolated DI Outs
Radial Engineering
Item# RAD-BACKTRACK
The Backtrack is a compact stereo audio switcher, perfect for bands running redundant backing tracks on stage. Connect both source devices to the Backtrack via ¼" or 3.5mm connectors, and switch between them or mute them altogether using the front panel controls or a JR-2 remote footswitch. A headphone output with level control allows you to check either input at any time, and ¼" monitor outputs feed powered speakers for playback on stage. Dual XLR outputs feed the...
Our Price: $459.99
Availability: Typically Ships in 3-10 Business Days
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JENSEN JT-DB-E Direct Box Transformer
Jensen Transformers
Item# JT-DB-E
When loaded by the 1 kS input impedance typical of mic preamplifiers, this transformer has a 140 kS input impedance, making it ideal for high impedance sources. It can be used with or without an active buffer as a "direct box" for electric guitars or synthesizers. A 30 dB magnetic shield package is standard. Features: Converts unbalanced line levels to balanced mic level output Stops "hum and buzz" problems in musical instrument hook-ups Allows use of long cables without high frequency loss High...
Our Price: $99.99
Availability: Typically Ships in 3-10 Business Days
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Whirlwind PCUSB Direct Box - USB-B Input - Stereo XLR Balanced Output
Whirlwind
Item# WW-PCUSB
The Whirlwind pcUSB converts the digital audio from USB outputs to high quality analog, stereo, balanced audio for easy connection to PA systems, mixing boards, etc. USB 2.0 compliant with no device driver requied. Operating power is supplied from the USB port in the host device. Sample rates of 32 kHz, 44.1 kHz and 48 kHz are supported at 16 bits. A USB hookup cable is included. Digital signal is input via a standard USB Type B jack. Output is via left and right balanced XLRs. A digital 0...
Our Price: $244.95
Availability: In Stock
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Radial SB-4 Compact Active DI For Piezo Pickups Low-Cut Filter 48V Phantom
Radial Engineering
Item# RAD-SB-4
The Radial StageBug SB-4 is a compact active direct box that has been optimized for use with piezo transducers. This enables violin, dobro, mandolin, cello, upright bass and other instruments that are best amplified using a piezo to be connected without compromising the tone or frequency response. The design begins with a 1/4" input for the instrument pickup. Unlike typical direct boxes that have a 1meg-ohm input impedance, the SB-4 features a very high 10meg-ohm impedance that smoothes out troublesome...
Our Price: $99.99
Availability: Typically Ships in 3-10 Business Days
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Whirlwind PCDIHW Direct Box Dual with RCA 1/4 Inch Inputs 1/8 Inch Hardwired Input Tail 30 Inch
Whirlwind
Item# WW-PCDI-HW
The Whirlwind pcDIhwb is a PCDI with a hard wired tail terminated with a stereo 3.5mm plug, perfect for interfacing the outputs of CD players, computer sound cards, iPODs / MP3 players, tape decks, etc. with professional, balanced, low impedance equipment (with no chance of losing the cable). This unit contains two separate DIs - input your signals with one hard wired, 30 inch 3.5mm (1/8") mini TRS stereo plug, two sets of color coded RCA phono type input and through jacks or 1/4" TS input jacks....
Our Price: $212.12
Availability: Typically Ships in 3-10 Business Days
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Whirlwind IMP 2 Standard Direct Box - 1/4-Inch Parallel Wired In/Out Jacks
Whirlwind
Item# IMP-2
The IMP 2 (IM2) is an economical alternative perfect for all of your direct box needs. Built rugged on the inside and outside, this is the world famous DI found in pro systems everywhere. The IMP 2 converts a line or instrument level unbalanced signal to a low impedance mic level balanced signal. The IMP 2 includes a ground lift switch and 1/4"/XLR inputs/outputs. Features: 1/4" parallel wired in/out jacks Ground Lift switch to help isolate hum and buzz Uses Whirlwind's TRHL transformer...
Our Price: $82.30
Availability: In Stock
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Whirlwind pcDI Direct Box with RCA and 1/8in Inputs
Whirlwind
Item# WW-PCDI
The Whirlwind pcDI is perfect for interfacing the outputs of CD players, computer sound cards, iPODs® / MP3 players, tape decks, etc. with professional, balanced, low impedance equipment. This unit contains two separate DIs - input your signals with one 3.5mm (1/8") mini TRS stereo jack (tip=left +, ring=right +, sleeve=common negative) or two sets of color coded RCA phono type input and through jacks. Output is via corresponding color coded XLRs. Features: Color coded RCA phono in / through...
Our Price: $181.99
Availability: In Stock
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Mackie MDB-USB Stereo Direct Box
Mackie
Item# MCK-MDB-USB
Ready For Anything From acoustic guitars to laptops, always sound your best with MDB Series Direct Boxes. Available in four different models, the MDB Series will give you the peace of mind that your sound will faithfully get to your audience the way that you hear it on stage. With the bus-powered MDB-USB Stereo DI, the days of relying on your headphone jack to get audio from a computer into analog gear are over. Combining a high-resolution audio interface...
Our Price: $169.99
Availability: Typically Ships in 3-10 Business Days
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Radial Engineering BT-Pro V2 Bluetooth Stereo Direct Box-Wireless Receiver with Balanced Stereo Direct Interface Outputs
Radial Engineering
Item# RAD-BT-PRO-V2
The BT-Pro V2 is a Bluetooth-enabled direct box that connects wirelessly to smartphones, tablets, and other mobile devices and provides a pair of balanced analog audio outputs to feed a PA system. Each BT-Pro V2 has a unique identifier, allowing multiple units to be used within the same building. The latest model of the BT-Pro can also be powered via 48V phantom from a mixing console. Wireless connection, professional audio The BT-Pro V2 makes it easy to quickly connect to any...
Our Price: $349.99
Availability: In Stock
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Radial SB-2 Compact Passive DI For Bass & Keyboards W/ Stereo To Mono Mix
Radial Engineering
Item# RAD-SB-2
The Radial StageBug SB-2 Passive is a high-performance direct box made for players who are on the move! Made to fit inside of a guitar case, the SB-2 is ultra compact yet is feature-packed to ensure great performance on any stage. The compact design begins with a 1/4" input and thru-put to feed the on-stage amp. This connects to the custom made Eclipse ET-DB3 transformer which performs the impedance matching and balances the signal. When using extra high output instruments, a -15dB pad can be inserted...
Our Price: $89.99
Availability: Typically Ships in 3-10 Business Days
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Pro Co AV1A A/V Interface Box with Line-Level Outputs for Playback Devices
Pro Co Sound, Inc.
Item# PRCO-AV1A
The ProCo TradeTools AV1A Audio-Visual Interface allows the line-level outputs of audio and video playback devices, etc., to be connected to microphone inputs of house or portable P.A. systems for programs in school auditoriums, lecture halls, civic meetings and corporate board rooms. The AV1A provides audio interfacing and isolation with wide response and low distortion. All inputs are parallel and resistively mixed to monaural. 1/4" 3-conductor phone jack, accepts signals from balanced...
Our Price: $145.91
Availability: Typically Ships in 3-10 Business Days
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Radial R800 1100 Pro DI Full Range Passive Direct Box
Radial Engineering
Item# RAD-PRODI
2 Types Available
The Radial Pro DI is a passive direct box that combines exceptional audio performance with solid dependable construction, making it the ideal general duty direct box for stage and studio. The heart of the ProDI is a custom wound Radial transformer. It features an exceptionally high 140k Ohm input impedance to reduce loading while enabling the ProDI to handle extreme signal levels at all frequencies without distortion. This is further improved upon with an internal MuMETAL shield to protect...
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Our Price: $129.99
Availability: In Stock
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ARX AV-DI Audibox AV DI Stereo AV Active DI Box Stereo Converter
ARX America
Item# ARX-AV-DI
Stereo AudioVisual Active Direct box, with dual RCA or stereo mini jack input and dual XLR outputs. The AV DI is ideal for interfacing computer sound cards with pro sound systems. Heavy duty all-steel chassis, -20 dB Pad switch, plus Phantom or 12 - 15V DC power options. Permanent soft audio ground network prevents ground loops, providing pristine audio quality. Ideal for interfacing any consumer stereo audio signal (especially notebook computer sound cards) with the balanced inputs of professional...
Our Price: $263.12
Availability: Typically Ships in 3-10 Business Days
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ARX IC-1 Audibox Iso Combiner Transformer Two Sources Into One XLR
ARX America
Item# ARX-IC-1
The ISO-Combiner is a new transformer isolated combiner for the Audibox range of Pro Audio tools and problem solvers. It is ideal for use in applications where two sources have to be combined into one signal, silently and easily. A pair of transformer balanced female XLR inputs combine to deliver a single transformer isolated male XLR output in this essential audio package. Available in Single Channel or Double Header format. Needs no power. Features: Specifications:
Our Price: $198.00
Availability: Typically Ships in 3-10 Business Days
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ARX PDI-1 Audibox Pro DI Active Direct Box with High-Z & Speaker Level Inputs
ARX America
Item# ARX-PDI-1
A flexible, compact Active Direct box, with normal High Impedance input as well as a separate speaker level input for connection to an aux speaker output on the back of instrument amplifiers. Heavy duty all-steel chassis finished in attractive matt textured powdercoat, with hardwearing epoxy screen printing and slip resistant rubber pads. Features include -20 dB Pad and Audio Ground Lift switches, plus Phantom or 12V DC power options. Security features include Kensington-type computer lock...
Our Price: $198.00
Availability: Typically Ships in 3-10 Business Days
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ARX PDI-2 Audibox Pro DI Duo Stereo Active Direct Box with High-Z & Speaker In
ARX America
Item# ARX-PDI-2
The ARX PDI-2 is a flexible, compact Active Direct box, with normal High Impedance input as well as a separate speaker level input for connection to an aux speaker output on the back of instrument amplifiers. Heavy duty all-steel chassis finished in attractive matt textured polyurethane, with hardwearing epoxy screen printing and slip resistant rubber pad. Features: -20 dB Pad and Audio Ground Lift switches Phantom or 12V DC power options Kensington®-type computer lock...
Our Price: $263.12
Availability: Typically Ships in 3-10 Business Days
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Radial Tonebone Bassbone V2 Bass Preamp and DI Box
Radial Engineering
Item# RAD-BASSBONEV2
Like the original, the second generation Bassbone V2 features the same award-winning audio circuit that has made the Bassbone a top choice for many of the world's most prominent bass players including Marcus Miller, John Patitucci, Rhonda Smith and Victor Wooten. Simply stated, the Bassbone V2 is a bass command center. Connect any two basses and seamlessly toggle between them using a footswitch. Each channel has a separate level control to balance the two instruments and is augmented with a unique...
Our Price: $399.99
Availability: Typically Ships in 3-10 Business Days
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Radial BigShot ABY True Bypass Switcher
Radial Engineering
Item# RAD-BSHOTABY
The Radial BigShot ABY is a compact ABY switcher that enables you to either switch between two amplifiers or combine the signal when you want both amps to play at the same time. Designed for the purist, this true-bypass ABY switcher is completely passive meaning that there are no tone altering buffers in between the guitar and the amplifier. With the BigShot ABY, you get the pure tone from your guitar plugged direct into your amp! To add versatility, the BigShot ABY is also equipped with a separate...
Our Price: $129.99
Availability: Typically Ships in 3-10 Business Days
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Radial BigShot I/O True Bypass Instrument Selector
Radial Engineering
Item# RAD-BSHOTIO
The Radial BigShot i/o is an easy to use instrument selector switch that lets you quickly transition between any two instruments and drive the signal to your amp. Because the i/o is 100% true-bypass, it addresses the needs of the most demanding purist. To further enhance connectivity, input-B is equipped with a level control called DIM that lets you reduce the signal from the louder of your two instruments so that both instruments are matched to the same volume level when they reach the amplifier....
Our Price: $129.99
Availability: Typically Ships in 3-10 Business Days
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Radial Engineering HDI High-Definition Studio-Grade Direct Box with Transformer Saturation - Line Output
Radial Engineering
Item# RAD-HDI
The Radial HDI is a studio-quality direct box designed to create exceptional recordings with any instrument, utilizing premium Jensen transformers and a unique Color control that provides an entirely new yet familiar-sounding sonic palette to experiment with. Instant Gratification Despite the complex circuitry housed within the unit, the HDI has an elegant set of controls that allows the musician or engineer to dial up a record-ready sound with a minimal amount of tweaking required....
Our Price: $949.99
Availability: Typically Ships in 3-10 Business Days
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Radial JDV Mk5 Super DI - Active Class-A Direct Box
Radial Engineering
Item# RAD-JDV-MKV
The Radial JDV Mk5 is a high performance active direct box and preamp with two inputs that enables the user to seamlessly transition from one instrument to another while being able to optimize the signal chain no matter what the source. The design begins with 100% discrete electronics and a unique class-A circuit with zero phase-cancelling negative feedback front-end. This is augmented with Drag control load correction that lets you optimize the impedance that is being applied to the pickup along...
Our Price: $749.99
Availability: Typically Ships in 3-10 Business Days
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ZOOM AC-3 Acoustic Creator Multi-Effects Processor Direct Box
ZOOM
Item# ZOOM-AC-3
Like its little brother, the ZOOM AC-3 Acoustic Creator is an enhanced direct box with essential DI features that help you achieve great tone no matter where you play. The AC-3 is equipped with an effects generator, stereo outputs, and a compressor. With these features plus the same high-quality preamp and 3-band EQ as the AC-2, the AC-3 is an all-in-one acoustic toolkit that's perfect for live performance and studio. The AC-3 puts essential DI features right at your fingertips. Its high-quality...
Our Price: $299.99
Availability: Typically Ships in 3-10 Business Days
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Radial X-Amp Active Re-Amplifier
Radial Engineering
Item# RAD-XAMP
The Radial X-Amp is an active re-amping device that presents the engineer / producer with a new and innovative creative tool that allows a pre-recorded track from a line level device to drive two guitar amplifiers or effect pedals simultaneously. This opens the door to explore new musical sounds and spur on the creative process. Following the critically acclaimed Radial JD7 Injector, the X-Amp employs a unique Class-A circuit design that has been optimized for use with guitars. Using the X-Amp...
Our Price: $249.99
Availability: Typically Ships in 3-10 Business Days
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Rolls HR187 Stereo Professional Bluetooth Direct Box
Rolls Corporation
Item# RLS-HR187
The Rolls HR187 Bluetooth Audio DI is the perfect solution for converting Bluetooth audio to a professional audio system. Link the HR187 to any Bluetooth device from a laptop, tablet, smart phone, or other mobile device, then connect to any XLR, RCA, or 1/8" stereo or mono audio system. The steel chassis provides durability that will last, and the proprietary radome antenna technology gives an enhanced reception range. Features: Balanced line level XLR stereo or mono outputs and a Stereo...
Our Price: $159.00
Availability: Ships Factory Direct, Typically in 3-10 Business Days
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Rolls DB425 4 Channel Audio Direct Interface with Balanced XLR Outputs - 35kHz-20kHz
Rolls Corporation
Item# RLS-DB425
Discover flawless audio connectivity through the innovation of the Rolls DB425 Audio Direct Interface. This ingenious adapter redefines audio connectivity, powered by custom-made, fully potted balanced nickel-laminated transformers, ensuring an unparalleled studio signal quality. Unlike its active counterparts, the DB425 operates as a passive device, eradicating the need for power sources and seamlessly integrating into your setup with absolute ease. Meticulously engineered for precision,...
Our Price: $249.00
Availability: Typically Ships in 3-10 Business Days
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Direct Boxes from Markertek are available in single & multichannel configurations and are engineered to precision specifications. Match balanced and unbalanced audio signals (match computers, instruments, film projectors and phonographs to professional audio components), mic to line level and vice-versa. We stock direct boxes from leading manufacturers like Whirlwind, Radial Engineering, ARX America and ART.

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Radial Engineering Backtrack Stereo Backing Track Switcher with 3.5mm & 1/4 Inch Inputs and Isolated DI Outs

JENSEN JT-DB-E Direct Box Transformer

Whirlwind PCUSB Direct Box - USB-B Input - Stereo XLR Balanced Output

Radial SB-4 Compact Active DI For Piezo Pickups Low-Cut Filter 48V Phantom

Whirlwind PCDIHW Direct Box Dual with RCA 1/4 Inch Inputs 1/8 Inch Hardwired Input Tail 30 Inch

Whirlwind IMP 2 Standard Direct Box - 1/4-Inch Parallel Wired In/Out Jacks

Whirlwind pcDI Direct Box with RCA and 1/8in Inputs

Mackie MDB-USB Stereo Direct Box

Radial Engineering BT-Pro V2 Bluetooth Stereo Direct Box-Wireless Receiver with Balanced Stereo Direct Interface Outputs

Radial SB-2 Compact Passive DI For Bass & Keyboards W/ Stereo To Mono Mix

Pro Co AV1A A/V Interface Box with Line-Level Outputs for Playback Devices

Radial R800 1100 Pro DI Full Range Passive Direct Box

ARX AV-DI Audibox AV DI Stereo AV Active DI Box Stereo Converter

ARX IC-1 Audibox Iso Combiner Transformer Two Sources Into One XLR

ARX PDI-1 Audibox Pro DI Active Direct Box with High-Z & Speaker Level Inputs

ARX PDI-2 Audibox Pro DI Duo Stereo Active Direct Box with High-Z & Speaker In

Radial Tonebone Bassbone V2 Bass Preamp and DI Box

Radial BigShot ABY True Bypass Switcher

Radial BigShot I/O True Bypass Instrument Selector

Radial Engineering HDI High-Definition Studio-Grade Direct Box with Transformer Saturation - Line Output

Radial JDV Mk5 Super DI - Active Class-A Direct Box

ZOOM AC-3 Acoustic Creator Multi-Effects Processor Direct Box

Radial X-Amp Active Re-Amplifier

Rolls HR187 Stereo Professional Bluetooth Direct Box

Rolls DB425 4 Channel Audio Direct Interface with Balanced XLR Outputs - 35kHz-20kHz

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