Continue Shopping View Cart
Markertek - The Future of Broadcast Supply

Call 800-522-2025
M-F 8:30am - 7pm EST

Free Shipping Promo Box
details

FREE SHIPPING No Minimum Order!

SHOP MARKERTEK EVERYDAY for all of your needs. Free shipping on almost every order placed on our website.
Special order & oversized freight intensive items ship at an additional cost. Continental US orders only.

Secure LoginClose X

Returning Markertek Customers

New Markertek Customers





Why Create an Account?

Creating a Markertek account now will save you time on future orders. You'll have full access to your order history and a personalized shopping experience.

 

View As:

Sort By:

Display:

Direct Boxes:

Page:

►►
    ◄◄
     
     
     
    • Behringer UltraMatch Pro 24-Bit/96 kHz A/D-D/A & Sample Rate Converter

      Behringer UltraMatch Pro 24-Bit/96 kHz A/D-D/A & Sample Rate Converter

      The ULTRAMATCH PRO SRC2496 is the successor of the renowned SRC2000, and enables you to transfer digital audio signals between devices with different sample rates, formats or interfaces and remove dropouts or jitter from digital media. Simultaneously operable outputs offer splitter functionality. The 24-bit/96 kHz compatible SRC2496 now offers high-quality 24-bit/96 kHz A/D and D/A conversion. The ULTRAMATCH PRO SRC2496 is as such perfectly suitable for studio work. Format conversion between AES/EBU...

       

      Read More

      Item #: BEH-SRC2496

      Availability: Usually ships in 3-10 business days

      Our Price: $199.99

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

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

      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....

       

      Read More

      Item #: WW-PCDI-HW

      Availability: In Stock

      Our Price: $156.00

      Add to Wishlist
    • JENSEN JT-DB-E Direct Box Transformer

      JENSEN JT-DB-E Direct Box Transformer

      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...

       

      Read More

      Item #: JT-DB-E

      Availability: In Stock

      Our Price: $69.00

      Add to Wishlist
    • Radial - ProDI - Full Range Passive Direct Box

      Radial - ProDI - Full Range Passive Direct Box

      The Radial ProDI 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 against...

       

      2 Types Available

      Item #: RAD-PRODI

      Availability: In Stock

      Our Price: $99.99

      Add to Wishlist
    • Radial J48 Active 48V Phantom Powered Direct Box w/Digital Switching Supply

      Radial J48 Active 48V Phantom Powered Direct Box w/Digital Switching Supply

      The Radial J48 is a great sounding active direct box that has been optimized to produce maximum headroom while working within the limited current available from standard 48V phantom power. By employing a unique switching power supply, the J48 is capable of peak transients to 9 volts without choking. The result is lower harmonic distortion, half the inter-modulation distortion and significantly improved dynamics over other DIs. Features include a -15dB pad, 180degree polarity reverse, a unique...

       

      Read More

      Item #: RAD-J48

      Availability: In Stock

      Our Price: $199.99

      Add to Wishlist
    • Radial SB-5 Compact Stereo DI For Computers W/ Attached Cable Stereo Or Mono Out

      Radial SB-5 Compact Stereo DI For Computers W/ Attached Cable Stereo Or Mono Out

      The Radial Stage Bug SB-5 is a compact stereo direct box designed to accommodate laptop computers, tablets and other consumer audio products when amplifying the signal through a PA system. The passive design begins with an integrated input cable that connects from the headphone out via a flexible 1.5m (5') cable that is terminated with a standard 3.5mm (1/8") stereo connector. The cable is secured via a clamping strain relief and is wrapped using the sidewinder cleat for easy storage. This of course...

       

      Read More

      Item #: RAD-SB-5

      Availability: In Stock

      Our Price: $99.99

      Add to Wishlist
    • Whirlwind pcDI Direct Box with RCA and 1/8in Inputs

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

      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...

       

      Read More

      Item #: WW-PCDI

      Availability: In Stock

      Our Price: $144.00

      Add to Wishlist
    • Radial Engineering DiNet Dan-TX Dante Network Transmitter with Stereo DI Inputs and Digital Out

      Radial Engineering DiNet Dan-TX Dante Network Transmitter with Stereo DI Inputs and Digital Out

      The DiNET DAN-TX is the worlds first Dante enabled stereo direct box. Equipped with ¼", RCA and stereo 3.5mm input jacks, the DAN-TX allows the user to connect instruments or line level sources directly to networked audio systems using the Dante protocol. The DAN-TX features 24bit/96kHz analog to digital conversion to provide the highest audio quality, and a local 3.5mm headphone output provides the means to quickly test audio.

       

      Read More

      Item #: RAD-DINET-DAN-TX

      Availability: In Stock

      Our Price: $399.99

      Add to Wishlist
    • Radial JDI Passive Direct Box with Jensen Transformer

      Radial JDI Passive Direct Box with Jensen Transformer

      The Radial JDI is a passive direct box designed to handle extreme signal levels without distortion of any kind. Unlike an active DI that is limited by the buffering amplifier's rail voltage, the JDI employs a Jensen audio transformer as the engine. Jensen transformers are legendary in their ability to gracefully handle transients while delivering a smooth, warm sounding Bessel curve, reminiscent of the finest vintage gear. Ruler flat from 10Hz to 40kHz and with virtually zero phase...

       

      Read More

      Item #: RAD-JDI

      Availability: In Stock

      Our Price: $199.99

      Add to Wishlist
    • RDL TX-LC2 Unbalanced to Balanced Line Combiner

      RDL TX-LC2 Unbalanced to Balanced Line Combiner

      The TX-LC2 is the ideal choice in installations requiring the active, isolated mixing of two unbalanced line-level audio sources to feed a balanced (or unbalanced) audio line. The input circuits are high-impedance, line-level (-10 dBV) and are each isolated from each other. Therefore the modules may be used to bridge an unbalanced stereo source without affecting the stereo separation. The output from the TX-LC2 is a mono mix of the stereo signal. Gain of the combined signals is adjustable from...

       

      Read More

      Item #: TX-LC2

      Availability: In Stock

      Our Price: $93.95

      Add to Wishlist
    • Radial PZ-DI Piezo-Optimized Direct Box

      Radial PZ-DI Piezo-Optimized Direct Box

      The Radial PZ-DI is a unique direct box that is specifically designed for acoustic and orchestral instruments. Unlike most direct boxes that are limited to a 'one size fits all' design, the PZ-DI lets you properly match the input impedance to the source to optimize the frequency response, dynamics and feel so that no matter what type of pickup you employ, you will enjoy smoother, more musically pleasing results. The design begins with a 3-position load adjustment switch: The 1 meg-ohm position...

       

      Read More

      Item #: RAD-PZ-DI

      Availability: Usually ships in 3-10 business days

      Our Price: $229.99

      Add to Wishlist
    • ARX B-DI Blue DI Bluetooth Direct Box

      ARX B-DI Blue DI Bluetooth Direct Box

      The Professional audio interface for Bluetooth enabled SmartPhones, Computers and Tablets Smart Phones and Tablets have rapidly become the audio source of choice for Corporate A.V Presentations, Seminars, System Demonstrations and Testing, Musicians, D.Js and many other audio system users. Designed by the ARX Engineering team to fill the market niche for a wireless Active Direct Box interface, the new Blue DI connects all of today's (and tomorrow's) SmartPhones, Tablets and similar devices,...

       

      Read More

      Item #: ARX-BLUE-DI

      Availability: Preorder

      Our Price: $198.00

      Add to Wishlist
    • Switchcraft SC700CT A/V Direct Box

      Switchcraft SC700CT A/V Direct Box

      The SC700CT A/V Direct Box from Switchcraft is ideal for connecting the outputs of MP3 players, PC's, laptops, CD players and other audio devices to audio consoles, mic preamps, effects processors, house sound systems and other equipment with 3-pin XLR inputs. The SC700CT converts the outputs of high impedance stereo or mono line level audio devices and musical instruments to low impedance, balanced and isolated mic level signals. All stereo inputs on the SC700CT are summed to mono and output...

       

      Read More

      Item #: SW-SC700CT

      Availability: Usually ships in 3-10 business days

      Our Price: $99.99

      Add to Wishlist
    • Whirlwind PCUSB Direct Box - USB-B Input - Stereo XLR Balanced Output

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

      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...

       

      Read More

      Item #: WW-PCUSB

      Availability: Usually ships in 3-10 business days

      Our Price: $150.00

      Add to Wishlist
    • Rolls DB24 Stereo Direct Interface

      Rolls DB24 Stereo Direct Interface

      Introducing the new DB24 Stereo Direct Interface. This unit is a two channel isolation device designed to connect high impedance devices to low impedance. The unit is completely passive, and utilizes Rolls proprietary audio transformers for superior sound. A heavy duty steel chassis was chosen to provide maximum reliability when used in demanding live sound reinforcement applications. A variety of inputs are provided including stereo and mono 1/4", stereo RCA, and stereo 1/8" (3.5mm). The DB24...

       

      Read More

      Item #: DB24

      Availability: Usually ships in 3-10 business days

      Our Price: $69.00

      Add to Wishlist
    • Radial Engineering StageBug SB5W Wall-Mounted Stereo Direct Box

      Radial Engineering StageBug SB5W Wall-Mounted Stereo Direct Box

      The Radial SB5W is a stereo direct box made to fit in a standard single-gang electrical wall plate. This provides the AV integrator with a simple, yet effective means of connecting an unbalanced analog audio source such as the headphone output from a laptop computer, iPhone, tablet or line level source such as a CD player to a balanced audio system via a permanently mounted interface. The design begins with all-steel construction for maximum durability and a fully shielded back...

       

      Read More

      Item #: RAD-SB-5W

      Availability: In Stock

      Our Price: $109.99

      Add to Wishlist
    • Rolls DB14b AV Presenter Stereo Patch Box

      Rolls DB14b AV Presenter Stereo Patch Box

      The DB14b is a special purpose direct box for applications where a stereo source signal can be separated, and individual volume controls used for each track such as an AV presentation from a laptop computer, or a rehearsing choir to a music track. It has stereo RCA and 1/8" inputs, 2 volume controls, RCA and XLR outputs, and uses no power. Features: Splits Stereo RCA and stereo 1/8" (3.5mm) signals Individual Right and Left level controls Transformer balanced XLR mono output. Specifications:...

       

      Read More

      Item #: DB14B

      Availability: Usually ships in 3-10 business days

      Our Price: $49.00

      Add to Wishlist
    • ART Dual Direct Box

      ART Dual Direct Box

      The DPDB Passive Direct Box features two direct boxes in one enclosure. It is a perfect DI for connection of electronic musical instruments to the balanced inputs of mixer consoles and other balanced inputs.

       

      Read More

      Item #: ART-DPDB

      Availability: In Stock

      Our Price: $48.00

      Add to Wishlist
    • Rapco DB-1 Passive Direct Box

      Rapco DB-1 Passive Direct Box

      The DB-1's simple design offers reliable input jacks as well as a loop-through 1/4 inch jack. Plug any instrument level signal (and some line level) into the box, interface with a standard XLR mic cable into the Lo-Z output, and you're ready to plug the output "directly" into a mixing console. A ground lift switch is provided for buzz-free operation in almost any environment. Features: Transforms Hi-Z 1/4 inch input to balanced Lo-Z XLR output Heavy duty steel box Superior quality connectors and...

       

      Read More

      Item #: RAPCO-DB-1

      Availability: In Stock

      Our Price: $29.99

      Add to Wishlist
    • Whirlwind EDB1 Economy Direct Box with Pad

      Whirlwind EDB1 Economy Direct Box with Pad

      An economy direct box offering rugged construction while maintaining exceptional sound quality. Features: 1/4" In and Through jacks Pad switch for connection to "hot" signal sources Ground Lift switch to help isolate hum and buzz Metal construction and quality transformer Superb sound quality Specifications: Input Impedance: 20k Ohms Output Impedance: 150 Ohms Frequency Response: 20Hz-20kHz –1dB Level Change: -20dB (input to output, pad switch set to zero dB) Pad: 3 position, provides 0dB,...

       

      Read More

      Item #: EDB1

      Availability: Usually ships in 3-10 business days

      Our Price: $40.00

      Add to Wishlist
    • Switchcraft 370DI AudioStix Passive A/V DI Box 1/8 Inch Stereo Jack RCA Jacks to Locking Male XLR

      Switchcraft 370DI AudioStix Passive A/V DI Box 1/8 Inch Stereo Jack RCA Jacks to Locking Male XLR

      The 370DI is a durable, pocket size, Direct Box which is a cross between Switchcraft's SC700CT DI Box and 318 Inline Audio Adapter. The 370DI sums and converts the unbalanced stereo outputs of cell phones, tablets, laptops and consumer gear to a balanced mono line level for connecting to audio consoles and house sound systems. Features: Dual RCA inputs 3.5MM input (1/8" TRS jack) Switchcraft DE Series locking male XLR provides balanced, mono, mic level output Ground Lift Switch 20db pad to...

       

      Read More

      Item #: SW-370DI

      Availability: Usually ships in 3-10 business days

      Our Price: $79.99

      Add to Wishlist
    • ART PDB - Passive Direct Box

      ART PDB - Passive Direct Box

      The PDB Passive Direct Box is a rock solid, roadworthy DI for connection of the outputs of electronic musical instruments (or other audio sources) to the balanced inputs of mixer consoles and other balanced inputs. The PDB also allows connection of a music source to an instrument amplifier while simultaneously patching it to a mixer. Specifications: Input Attenuation -- Switchable (0 dB, -20dB, -40dB) Instrument Input -- 50k Ohm Parallel Link Jack --...

       

      Read More

      Item #: ART-PDB

      Availability: Usually ships in 3-10 business days

      Our Price: $35.00

      Add to Wishlist
    • Rolls DB25b Matchbox Direct Box with Groundlifter

      Rolls DB25b Matchbox Direct Box with Groundlifter

      The DB25b is a transformer balanced, passive direct box. It features a Ground Lift switch for hum elimination, and an Attenuator control for padding the input signal from -20dB to -infinity dB. Padding the input signal provides a way to connect the DB25b to a line level signal, even a speaker level signal and connecting it to a balanced line or Mic input on a mixer. The two 1/4 inch; inputs are paralleled pass-throughs to also send the input signal to a tuner, pre amp, etc. Features: Mounting Tabs...

       

      Read More

      Item #: DB25B

      Availability: Usually ships in 3-10 business days

      Our Price: $24.00

      Add to Wishlist
    • ART DUALXDirect Dual Professional Active Direct Box

      ART DUALXDirect Dual Professional Active Direct Box

      The DUALXDirect provides two independent high quality active interfaces that let you connect instrument, line, or speaker level signals to a mixer or other balanced inputs. Each of the high impedance 1/4" and XLR inputs (provided via "combo" jacks) are buffered and converted by very low noise active electronics into an isolated, balanced, low impedance signal output. The DUALXDirect has an extremely flat and wide frequency response and can handle high signal levels. This gives the DUALXDirect a...

       

      Read More

      Item #: ART-DUALXDIRECT

      Availability: Usually ships in 3-10 business days

      Our Price: $55.00

      Add to Wishlist
    • ART PDB4 Four Channel Passive Direct Box - 1RU

      ART PDB4 Four Channel Passive Direct Box - 1RU

      The ART PDB4 Four Channel Passive Direct Box is a deceptively simple, yet surprisingly useful addition to any serious collection of audio equipment. The PDB4 is a four channel passive direct box that features four quality, fully transformer isolated, direct boxes in a 1U 19-inch rack mount chassis. Inputs and outputs of each of the four channels are isolated to maximize channel separation. Transformer isolation on each output helps to eliminate system ground loops. It is a rock solid, roadworthy...

       

      Read More

      Item #: ART-PDB4

      Availability: Direct Ship From Manufacturer

      Our Price: $79.00

      Add to Wishlist
     

    Page:

    ►►
      ◄◄
       
       
       
       

      Direct Boxes

      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.

      Please fill out the information below
      Email Address*