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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: Direct Ship from manufacturer, contact us for availability

      Our Price: $219.99

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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: Direct Ship from manufacturer, contact us for availability

      Our Price: $199.99

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    • Jensen PO-XX Line Output - Single Channel Ground Isolator for High Output Professional Line Level Signal

      Jensen PO-XX Line Output - Single Channel Ground Isolator for High Output Professional Line Level Signal

      The Iso-Max PO-XX is a single channel output isolator for both balanced and unbalanced signals where extreme signal handling is required to drive long cable runs. The design begins with an extruded aluminum case that comes standard with gold plated XLR connectors. Plug and play easy to use, this passive interface does not require any power to work. Inside is a high performance nickel core Jensen transformer that is able to withstand signals in excess of +26 dBu without discernible distortion...

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      Item #: JEN-PO-XX

      Availability: Direct Ship from manufacturer, contact us for availability

      Our Price: $149.99

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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, contact us for availability

      Our Price: $349.99

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

      Sescom IL-19-2S Pro Audio Hum Eliminator 2-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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    • 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: More on the way, usually ships in 3-10 business days

      Our Price: $104.95

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    • Pureformer Isolation Transformer & Audio Hum Eliminator

      Pureformer Isolation Transformer & Audio Hum Eliminator

      The Pureformer provides hum and noise reduction for sound cards and audio equipment, and removes ground loops and DC paths that can cause hum and signal breakup. The Pureformer isolates the electricalgrounds of two pieces of audio equipment. This is especially important in the case of computer audio cards connected to high quality/low noise audio equipment. The computer electrical ground is often filled withnoise from disk drive activity and data transmission. Many audio cards use the same electrical...

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      Item #: PUREFORMER

      Availability: In Stock

      Our Price: $71.25

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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: More on the way, usually ships in 3-10 business days

      Our Price: $90.98

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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: $44.95

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    • Sescom SES-XLR-ISO 600 Ohm Inline XLR Mic Matching Transformer

      Sescom SES-XLR-ISO 600 Ohm Inline XLR Mic Matching Transformer

      Budget friendly inline transformer similar to the Sescom IL-19 featuring an ultra rugged housing. This unit is designed for installing between two XLR cables in live events or anywhere durability and robust ruggedness is required. An excellent choice for audio hum eliminating inline matching transformers. XLR Female - 0dBm @ 600 Ohm to XLR Male 600 Ohm 1:1 Line Level Matching Transformer in a shielded aluminum case. Specifications: Nominal Target I/O Levels: -16dB to +8dB* *No Lower Limit /...

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      Item #: SES-XLR-ISO

      Availability: In Stock

      Our Price: $23.95

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    • Ebtech Hum X Ground Loop Hum Exterminator

      Ebtech Hum X Ground Loop Hum Exterminator

      The Ebtech Hum X filters out unwanted voltage on the ground line that can cause ground loop hum. Simply place the Hum X on the end of the power cord of the equipment that has a Ground Loop and plug the Hum X into the wall outlet. Ground Loop is gone and audio signal remains intact. Easy to use, easy to install, absolutely safe and completely effective! Features: Gets Rid of GROUND RELATED hum/buzz right at the Source! Suitable for use on 120V 60Hz grounded USA style power outlets. NOT A GROUND...

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      Item #: EB-HUMX

      Availability: More on the way, usually ships in 3-10 business days

      Our Price: $79.00

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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, contact us for availability

      Our Price: $209.99

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    • Jensen CI-2MINI Iso-Max PC Audio Ground Isolator

      Jensen CI-2MINI Iso-Max PC Audio Ground Isolator

      When used in unbalanced audio consumer interfaces, this isolator not only eliminates hum and buzz but also enhances audio quality by reducing "spectral contamination" due to ultrasonic and RF interference. To avoid excessive high frequency losses, no more than 3 feet of cable should be used on its outputs. Features: Eliminates the inherent ground noise coupling mechanism Common-mode ground noise rejection of 95 dB at 60 Hz Wide bandwidth: !3 dB at 0.25 Hz and 50 kHz Handles signals up to 7 volts...

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      Item #: JEN-CI2MINI

      Availability: Direct Ship from manufacturer, contact us for availability

      Our Price: $199.99

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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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    • Sescom SES-XLR-ISO-01 1-Channel 3-Pin XLR Audio Isolation Transformer

      Sescom SES-XLR-ISO-01 1-Channel 3-Pin XLR Audio Isolation Transformer

      Normal voltage differences in system grounding points between various equipment can cause small AC power currents to flow in the audio signal path. The Sescom SES-XLR-ISO-01 is a balanced XLR audio hum eliminator/isolation transformer unit designed to remove hum and buzz created by these ground loops. Sescom's coupling transformer breaks the inter-equipment ground path rejecting noise in the input circuits while delivering pristine audio signals. Ground-Lift Switching The ground...

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      Item #: SES-XLR-ISO-01

      Availability: In Stock

      Our Price: $95.95

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    • RDL TX-8i Headphone Isolation Transformer

      RDL TX-8i Headphone Isolation Transformer

      RDL TX-8i Headphone Isolation Transformer Features: Isolates headphones from source equipment Drives headphone impedance 8 Ω or greater Galvanic Isolation with the Convenience of RDL® TXs Overload LED flashes when operating level is exceeded THD+N: < 0.1% (1 kHz @ 50 mW) Bandwidth: 100 Hz to 15 kHz HI-POT: 1.5 KVAC, 1mA, 2 Sec. Specifications: Ambient Operating Environment: 0° C to 55° CPackage Type: Cardboard Box Package Dimensions: 2 x 2 x 4 in. Shipping Weight: 0.3 lbs. WEEE...

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      Item #: RDL-TX-8I

      Availability: More on the way, usually ships in 3-10 business days

      Our Price: $50.75

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    • RDL EZ-HK1 Stereo Audio Hum Killer

      RDL EZ-HK1 Stereo Audio Hum Killer

      The EZ-HK1 is a superior-quality stereo audio transformer isolation module for use with unbalanced, high impedance audio inputs. Input and output connections are provided on gold-plated RCA 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 through a rear-panel ground-lift switch. The EZ-HK1 eliminates hum due to ground loops when it is installed between...

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      Item #: RDL-EZ-HK1

      Availability: In Stock

      Our Price: $86.83

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    • ART Cleanbox Pro Channel Level Converter

      ART Cleanbox Pro Channel Level Converter

      Provides two channels of unbalanced to balanced level conversion in a rugged, compact, and portable unit. Balanced lines offer increased immunity to external electrical noise, such as hum. Since a balanced system minimizes induced noise, it is the preferred method of connecting audio gear, especially when long lengths of cable are used. One section of the CLEANBoxPro converts two channels of consumer-level unbalanced input signals into two channels of pro line-level balanced output signals. It...

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      Item #: ART-CLEANBOXPRO

      Availability: Extended Lead Time. Email, Chat or Call Us for more details.

      Our Price: $79.99

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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 SUB-1RR Low Frequency Audio Isolator (RCA)

      Jensen SUB-1RR Low Frequency Audio Isolator (RCA)

      The specially designed transformer in this unit provides unparalleled low frequency response while providing over 100dB of common mode isolation, to solve even the most difficult sub-woofer installation problems. The zero dB insertion loss also prevents carefully calibrated system levels from being disturbed. Features: Eliminates the inherent ground noise coupling mechanism Common-mode ground noise rejection of 105 dB at 60 Hz Extended low frequency response: -1dB at 0.4Hz, -3dB at 0.15Hz Extremely...

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      2 Channels Available

      Item #: JEN-SUB1RR

      Availability: Direct Ship from manufacturer, contact us for availability

      Our Price: $129.99

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    • Sescom IL-STEREO-19 Pro Audio Hum Eliminator 2-Channel RCA HiFi Style Stereo Isolator Transformer Coupler

      Sescom IL-STEREO-19 Pro Audio Hum Eliminator 2-Channel RCA HiFi Style Stereo Isolator Transformer Coupler

      A stereo - left & right channel - RCA version of the famous Sescom IL-19! The only product that removes all types of hum in live sound & pro-audio gear. This inline stereo RCA IL-19 has 2-Channels (Stereo) for a matching transformer where RCA audio inputs & outputs need hum elimination. Designed as 3 products in-one, the Sescom® IL-STEREO-19 is the industry standard for instantly troubleshooting audio hum in live sound & broadcast applications providing quick fix line isolation to remove hum....

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      Item #: IL-STEREO-19

      Availability: More on the way, usually ships in 3-10 business days

      Our Price: $83.95

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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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    • Allen Avionics HD-SDI-5R 5-Channel Isolated SDI & HD-SDI Serial Digital Video Hum Eliminator

      Allen Avionics HD-SDI-5R 5-Channel Isolated SDI & HD-SDI Serial Digital Video Hum Eliminator

      Even though SDI is more immune to extraneous noise and low frequency components (hum) problems can still exist. As with analog signals, once you have noise in the signal, it is extremely difficult and costly to remove. Jitter caused by induced noise effects can compound problems created by unstable signal sources, poor re-clocking systems, cable attenuation and can be the demise of digital signals. HD-SDI Serial Digital signal transmissions at 1.485Gbps over a cable contain a range of low to high...

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      Item #: AAV-HD-SDI-5R

      Availability: More on the way, usually ships in 3-10 business days

      Our Price: $1,199.00

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    • ART CleanBOX II Hum Eliminator

      ART CleanBOX II Hum Eliminator

      "Hum" in an audio system is often caused by loop effects which act like antennas. These loops can easily pick up a 60 Hz (or higher harmonics) hum transmitted by electrical wiring. Typically, these loops are connected via grounds, more commonly called "ground loops". The safest way to eliminate unwanted noise is with the CleanBOX II. Some examples of Ground Loops: -The power ground of a synthesizer, connected to the signal ground of the synth, into a mixer's ground, then into a mixer's power...

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      Item #: ART-CLEANBOX-2

      Availability: More on the way, usually ships in 3-10 business days

      Our Price: $69.99

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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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