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    • Jensen DIN-2LI Dual 10k to 10k 1:1 Line Input Module

      Jensen DIN-2LI Dual 10k to 10k 1:1 Line Input Module

      The Iso-Max DIN-2LI is a two channel line input isolator designed to eliminate noise in professional balanced audio systems by isolating the input of the connected device. The design begins with a gray molded assembly made from UL94-VO flame retardant Noryl that snaps into place onto a standard 35 mm DIN rail for easy installation in a NEMA enclosure. Connections to and from the module are made via removable screw-down wire terminals. Plug and play easy to use, this passive interface does not...

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      Item #: DIN-2LI

      Availability: In Stock

      Our Price: $219.99

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    • Sescom IL-19 Pro Audio Hum Eliminator Inline with Isolation

      Sescom IL-19 Pro Audio Hum Eliminator Inline with Isolation

      The Industry Standard - Designed as 3 products in-one, the Sescom® IL-19® is the solution for instantly troubleshooting audio hum and noise problems in live sound & broadcast applications providing quick fix line isolation to stop noise at the source. Removes ground loop hum, mode noise & differentially induced hum without the need for multiple transformers, ground lifters or phase inverters. Other in-line problem solvers solve only one problem at a time. The IL-19 is the only Bi-Directional...

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      Item #: IL-19

      Availability: In Stock

      Our Price: $46.95

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    • Jensen CI-2RR IsoMax Stereo Audio Isolator & Hum Eliminator

      Jensen CI-2RR IsoMax Stereo Audio Isolator & Hum Eliminator

      The Iso Max CI-2RR is a passive two channel RCA audio ground isolator designed to eliminate hum and buzz caused by ground loops in the most demanding audio systems. Eliminates hum and buzz caused by ground loops. Extended frequency response from 10 Hz to 40 kHz Less than 2ø phase deviation at 20 Hz Plug and play easy to use - no power required

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      Item #: JEN-CI2RR

      Availability: In Stock

      Our Price: $199.99

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    • Sescom IL-19-MINI Hum Eliminator 3.5mm Stereo Mini I/O

      Sescom IL-19-MINI Hum Eliminator 3.5mm Stereo Mini I/O

      The next generation of the Sescom IL-19 series, the IL-19-MINI is an inline hum elimnator / matching transformer for 3.5mm stereo (TRS) runs and is perfect for both DSLR audio applications as well as a laptop interface where HUM always poses a problem, you can connect up to a 25 foot unbalanced 3.5mm TRS cable between any mic output source and through the IL-19-MINI to remove hum. As a laptop interface use it between external PC mic inputs to remove any unwanted hum and noise. Perfect for...

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      Item #: IL-19-MINI

      Availability: In Stock

      Our Price: $51.95

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    • Jensen JT-11P-1 Line Input Transformer

      Jensen JT-11P-1 Line Input Transformer

      This transformer is designed for use in wideband line input stages. Distortion remains very low and CMRR remains high, even when driven by high source impedances. The primary is fully balanced and its leads may be reversed to invert polarity, if required. A 30 dB magnetic shield package is standard. Features: Ideal for balancing any high-impedance unbalanced input Wide bandwidth: !3 dB at 0.25 Hz and 95 kHz Recommended for levels up to +20 dBu at 20 Hz High input impedance: 13 k Ohm with 10 k...

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      Item #: JEN-JT11P1

      Availability: In Stock

      Our Price: $62.95

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    • Jensen PC-2XR 2 Ch Iso-Max Interface

      Jensen PC-2XR 2 Ch Iso-Max Interface

      Features: Stereo "Pro" to "Consumer" Converter / Isolator Provides over 90dB of common mode isolation at60Hz while converting "Pro" +4dBu signals to"Consumer" -10dBV signals Transformer isolation allows maximum interconnection flexibility, since both sources and loads may be either balanced or unbalanced.

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      Item #: JEN-PC2XR

      Availability: Direct Ship From Manufacturer

      Our Price: $299.99

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    • RDL AV-HK1X HUM KILLER Audio Isolation Transformer XLR Input/Output

      RDL AV-HK1X HUM KILLER Audio Isolation Transformer XLR Input/Output

      The AV-HK1X is a mono transformer isolation module for use with a balanced, low impedance source and either a low or high impedance load. Input and output connections are provided on XLR jacks with gold-plated contacts. The shield (pin 1) connection of the INPUT jack is electrically isolated from the case and from the output ground (pin 1) at audio frequencies. The ground (pin 1) connection of the OUTPUT jack is connected to the case shield. The user audio source, such as a mixer, preamplifier...

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      Item #: AV-HK1X

      Availability: In Stock

      Our Price: $99.79

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    • Sescom IL-19-XFRMR Stand Alone IL-19 Transformer with Wire Leads for Installers

      Sescom IL-19-XFRMR Stand Alone IL-19 Transformer with Wire Leads for Installers

      Sescom IL-19 Transformer for Professional Audio Hum Elimination w/ Wires for Installers!The Only Product that Removes All Types of Hum in Live Sound & Pro-Audio Gear Can Now Be Purchased and Wired Directly To & From and Even Inside Your Gear! The Industry Standard - The Sescom IL-19 Transformer is the industry standard for instantly reducing audio hum problems in live sound & broadcast applications providing quick fix line isolation to stop Audio Hum Problems. Prepared with 6 inch stripped and...

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      Item #: IL-19-XFRMR

      Availability: In Stock

      Our Price: $37.95

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    • Interspace Industries PCBBJ Passive Balancing & Hum Eliminator Jack I/P

      Interspace Industries PCBBJ Passive Balancing & Hum Eliminator Jack I/P

      Hum can happen anywhere, power supplies, fluorescent lights, other equipment - all can cause noise that is picked up by your audio input cables. Being completely passive (no batteries or external power required) and bi-directional, PC Balance Box can match unbalanced and balanced audio sources, line to mic levels, stereo and mono signals, and troubleshoot hum problems - all in one versatile and rugged unit. The PC Balance Box is the simplest way to interface unbalanced computer or consumer audio...

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      Item #: INTI-PCBBJ

      Availability: In Stock

      Our Price: $104.95

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    • Jensen MI-XX Single Channel Mic Input Isolator

      Jensen MI-XX Single Channel Mic Input Isolator

      The Iso Max MI-XX is a single channel mic input isolator designed to eliminate noise in professional balanced audio systems by isolating the preamp or mixer channel from the mic input. The MI-XX comes standard with XLR input and output. The design begins with a rugged extruded aluminum shell with a slide-in U body that comes standard with gold plated XLR connectors. Inside, a premium Jensen mic input transformer is equipped with dual Faraday internal shields and external MuMETALr cans to reduce...

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      Item #: JEN-MI-XX

      Availability: Direct Ship From Manufacturer

      Our Price: $149.99

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    • Clear-Com MT-701 Isolator Circuit Box for Party-Line Intercom Systems

      Clear-Com MT-701 Isolator Circuit Box for Party-Line Intercom Systems

      The Clear-Com MT-701 is an isolation box that is used to reduce hum in Clear-Com Encore Partyline products when multiple grounds are present. The MT-701 can also be used to bridge two Encore partyline systems together. Key Features: New transformer provides 6dB gain improvement over the MT-1 Only one termination required between connected systems 4 LEDs for status information Easy installation with standard XLR cables High-quality enclosure for professional...

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      Item #: CLCM-MT-701

      Availability: In Stock

      Our Price: $330.00

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    • Markertek/Sescom IL-19 Audio Hum & Noise Eliminator 4-Pack Special

      Markertek/Sescom IL-19 Audio Hum & Noise Eliminator 4-Pack Special

      The Sescom IL-19 is the only inline XLR product that removes all types of hum in live sound & pro-audio gear! Designed as a quick fix three-in-one, the IL-19 removes ground loop hum, mode noise & differentially induced hum without the need for multiple transformers, ground lifters or phase inverters. Other in-line problem solvers solve only one problem at a time. The IL-19 is the solution for instantly troubleshooting audio hum and noise problems in live sound & broadcast applications...

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      Item #: MTK-IL-19-4PK

      Availability: In Stock

      Our Price: $144.00

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    • Jensen GLX Balanced Line Level Isolator

      Jensen GLX Balanced Line Level Isolator

      The GLX is a balanced line level isolator designed to quickly eliminate hum and buzz problems in an audio system by simply inserting it into the signal path. Measuring just over 4" x 1 «" (10 x 4cm), the compact design begins with two super-duty glass-fi lled nylon XLRs at each end with heavy duty nickel-silver contacts that will not tarnish over time. Unlike other isolators that are made of plastic, the GLX is made from solid 16 gauge steel and fi nished in a tough powder coat. The steel outer...

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      Item #: JEN-GLX

      Availability: In Stock

      Our Price: $69.99

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    • RDL AV-HK1 HUM KILLER Stereo Audio Isolation Transformer

      RDL AV-HK1 HUM KILLER Stereo Audio Isolation Transformer

      The AV‑HK1 is a stereo transformer isolation module for use with unbalanced, high impedance audio inputs. Input and output connections are provided on gold‑plated phono jacks. The AV‑HK1 is supplied with two adapter cables to facilitate connecting with products that use mini‑plugs and jacks. The shield connection of each INPUT jack is electrically isolated from the case and from the output ground. The shield connection of each OUTPUT jack is connected to the case shield....

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      Item #: AV-HK1

      Availability: In Stock

      Our Price: $90.98

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    • Jensen JT-10KB-D Line Input Transformer 4:1 Stepdown For BalancedBridging Inputs

      Jensen JT-10KB-D Line Input Transformer 4:1 Stepdown For BalancedBridging Inputs

      This transformer is designed for use in wideband line input stages. The secondary source impedance of only 225 ohms is an excellent match to ultra-low noise amplifiers. The primary is fully balanced and its leads may be reversed to invert polarity, if required. A 30 dB magnetic shield package is standard. Features: Ideal passive "Pro to Consumer" level converter Wide bandwidth: -3 dB at 0.5 Hz and 180 kHz Recommended for levels up to +21 dBu at 20 Hz High input impedance: 40 k ohms High common-mode...

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      Item #: JT-10KB-D

      Availability: In Stock

      Our Price: $64.95

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    • Rolls HE18 Buzzoff 2-Channel Audio Hum Eliminator

      Rolls HE18 Buzzoff 2-Channel Audio Hum Eliminator

      The Rolls HE18 is a two channel audio hum and buzz remover. Everyone knows how annoying it is to have 60 cycle hum in your sound. Now you can eliminate virtually all ground hum and buzz by simply inserting the HE18 into the audio path. Plus, the unit will convert an unbalanced signal into a balanced signal, and vice-versa. This greatly improves overall noise performance. Features: Eliminates ground loop hum and buzz Leaves signal grounds connected Passive, the unit requires...

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      Item #: HE18

      Availability: Usually ships in 3-10 business days

      Our Price: $39.00

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    • Jensen PB-2XX Stereo Audio Input/Output Isolator

      Jensen PB-2XX Stereo Audio Input/Output Isolator

      The Model PB-2XX is designed to provide over 100dB of common mode isolation at 60Hz and to help eliminate R.F. interference from radio and television stations.Transformer isolation allows maximum interconnection flexibility, since both sources and loads may be either balanced or unbalanced. Low impedance windings make this unit suitable for patch bays and as a general purpose "fix-it" box and allow it to be placed near either the output driving source or the destination input. Features: Ruler...

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      Item #: JEN-PB2XX

      Availability: Direct Ship From Manufacturer

      Our Price: $349.99

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    • Sescom IL-19-SS Pro Audio Hum Eliminator Inline with Dynamic Structured Shielding

      Sescom IL-19-SS Pro Audio Hum Eliminator Inline with Dynamic Structured Shielding

      Introducing the IL-19-SS with Dynamic Structured Shielding: The legacy inspired IL-19-SS differs from the standard IL-19 in that it emulates the vintage Sescom all-metal tube style IL-19 from years ago. The IL-19-SS still retains the major and exclusive de-coupler circuitry for hum and noise. This passive device will reduce hum and noise in environments where extreme ambient noise is present and the ground plane characteristics are required for the system integrity. Designed to...

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      Item #: IL-19-SS

      Availability: In Stock

      Our Price: $51.95
      Special Price: $49.95

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    • Jensen DM2-2XX Iso-Max Stereo Line Output Isolator 1 to 1 Ratio XLR IN/Out

      Jensen DM2-2XX Iso-Max Stereo Line Output Isolator 1 to 1 Ratio XLR IN/Out

      Features: Ruler flat frequency response preserves "Audiophile Quality" signals High-Grade Nickel-Iron-Molybdenum alloy cores for extremely low distortion High quality gold plated connectors for long term reliability Available with a choice of XLR, RCA, 1/4" Phone Jack or BNC connectors Unpluggable screw terminal strip for easy "Home" to "Road" changeovers Convenient 7.0" W x 3.5" D x 1.6" H allow rack tray or rail mounting Gold Contact DIP Switches allow for flexibility in grounding...

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      Item #: JEN-DM22XX

      Availability: Direct Ship From Manufacturer

      Our Price: $269.99

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    • Jensen MS-2XX Dual Channel Stereo Microphone Splitter / Isolator

      Jensen MS-2XX Dual Channel Stereo Microphone Splitter / Isolator

      Features: Ruler flat frequency response preserves "Audiophile Quality" signals High-Grade Nickel-Iron-Molybdenum alloy cores for extremely low distortion Faraday shielded windings for maximum R.F. interference rejection High quality gold plated connectors for long term reliability Available with a choice of XLR, RCA, 1/4" Phone Jack or BNC connectors Un-pluggable screw terminal strip for easy "Home" to "Road" changeovers Convenient 7.0" W x 3.5" D x 1.6" H allow rack tray or rail mounting Gold...

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      Item #: JEN-MS2XX

      Availability: Direct Ship From Manufacturer

      Our Price: $269.99

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    • Sescom IL-19-HUM-DROP Pro Audio Hum Eliminator 6 ChannelSnake Box with Isolation

      Sescom IL-19-HUM-DROP Pro Audio Hum Eliminator 6 ChannelSnake Box with Isolation

      The Only Product that Removes All Types of Hum in Live Sound & Pro-Audio Gear! IL-19-HUM-DROP - 6 Channel Snake Box version of our World Renowned Industry Standard IL-19 The HUM-DROP is designed for stage, or at the Front of House (FOH), or anywhere 6 channels of hum elimination are desired. Designed to be rugged and plugged in to a cable run at either end and can simply be left on the floor under the mixing board or at the stage. Usually it is installed at the end of long...

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      Item #: IL-19-HUM-DROP

      Availability: In Stock

      Our Price: $261.00

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    • Jensen CI-1RR IsoMax Mono Audio Isolator

      Jensen CI-1RR IsoMax Mono Audio Isolator

      Single Channel Audio Input Isolator Ideal for use with Sub-Woofers and Mono-Block Amplifiers where use of a stereo unit would be impractical Features: Ruler flat frequency response preserves "Audiophile Quality" signals High-Grade Nickel-Iron-Molybdenum alloy cores for extremely low distortion Faraday shielded windings for maximum R.F. interference rejection High quality gold plated connectors for long term reliability

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      Item #: JEN-CI1RR

      Availability: In Stock

      Our Price: $129.99

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    • Jensen CI-RJ2R Two Channel RCA to CAT-5 extender

      Jensen CI-RJ2R Two Channel RCA to CAT-5 extender

      The Iso-Max CI-RJ2R by Jensen is a two channel input isolator that lets you extend unbalanced signals to 100 meters (350’) using standard CAT-5 or CAT-6 balanced twisted pair Ethernet cable. Sold as a ‘transmit and receive’ set, the design begins with two rugged flanged steel enclosures for easy mounting under a desk or inside a rack or NEMA enclosure. Each end is equipped with RCA inputs and outputs with a standard Ethernet RJ45 type connector in between. One merely connects the...

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      Item #: JEN-CI-RJ2R

      Availability: Direct Ship From Manufacturer

      Our Price: $209.99

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    • Jensen DIN-PB Two Channel Universal Line Isolator

      Jensen DIN-PB Two Channel Universal Line Isolator

      The Iso-Max DIN-PB is a universal isolator that gives you the freedom to solve noise problems anywhere in the signal chain. The design begins with a gray molded assembly made from UL94-VO flame retardant Noryl that snaps into place onto a standard 35 mm DIN rail for easy installation in a NEMA enclosure. Connections to and from the module are made via removable screw-down wire terminals. Plug and play easy to use, this passive interface does not require any power to work. Inside is a specially...

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      Item #: DIN-PB

      Availability: In Stock

      Our Price: $179.99

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    • Sescom IL-19-2S Pro Audio Hum Eliminator Two Channel Inline with Isolation

      Sescom IL-19-2S Pro Audio Hum Eliminator Two Channel Inline with Isolation

      Designed as 3 products in-one, the Sescom® IL-19® is the industry standard for providing inline isolation and instantly troubleshooting audio hum in live sound & broadcast applications. Sescom's unique proprietary internal circuitry eliminates hum for the best possible sound in any environment. The Sescom IL-19-2S is a 2-Channel boxed version (see IL-19 for the inline single channel version) built in a black rugged anodized aluminum enclosure with premium Neutrik XLR connectors to ensure the...

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      Item #: IL-19-2S

      Availability: In Stock

      Our Price: $83.95

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      Audio Hum & Noise Eliminators

      AC hum and noise is almost always caused by a loop antenna effect across signal lines between two or more pieces of gear, or by long unbalanced cables picking up noise. Audio Hum Eliminators are the best way to prevent AC hum from being picked up by your sound system.Don't let AC hum and noise ruin your next event. Get some Audio Hum Eliminators from Markertek and be prepared. We have Audio Hum Eliminatorsfor most of the popular audio connections, XLR, RCA, 1/4" BNC etc..etc.. Remember, Markertek is the home of the unique and hard to find!

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