Audio & Impedance Matching Transformers

DSan LSP-1 Laptop Sound Port - Mono Audio Attenuator for Headphone to Mic Level - 1/8-Inch to XLR - 5-Foot Cable

The DSan LSP-1 is a compact adapter with on-board volume control that plugs into a laptops 1/8" computer speaker jack, changes the output to a balanced mono mic-level signal and mates with standard XLR audio cable for connections to a house audio system. A ground lift switch assures a hum-free interface. Features: 5-foot cable Includes padded pouch case

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Sescom SES-ON-THE-LEVEL RCA to XLR Audio Level Converter with Level Controls

Sescom

Item# SES-ON-THE-LEVEL

The SES-ON-THE-LEVEL is a feature rich, bidirectional balanced to unbalanced audio level converter with level controls. The product is provided with XLRs for Balanced I/O and RCA for Unbalanced I/O. The SES-ON-THE-LEVEL also features a 3.5mm (1/8") stereo audio input that's compatible with iPod & similar MP3 players. Balanced line outputs (L/R RCA) are also provided to feed a stereo amplifier for real time monitoring. The SES-ON-THE-LEVEL has an output for monitoring and confirming either direction,...

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RDL TX-J2 Unbalanced Input Transformer

Radio Design Labs

Item# TX-J2

The TX-J2 is part of the group of versatile TX series products from Radio Design Labs. The TX series feature the advanced circuitry for which RDL products are known, combined with durable, quality connectors. The ultra-compact TX series can be mounted in limited space using the adhesive methods popularized by RDL's STICK-ONr Series. The TX-J2 may be mounted directly to a backboard or chassis using a variety of mounting options available from Radio Design Labs. The...

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RDL TX-70A 25V/ 70V/ 100V Speaker Level Input Interface - Unbalanced Line Output

Radio Design Labs

Item# TX-70A

Do you ever need to feed the audio from a 70V distributed loud speaker system into a line-level device in a remote location? Do you ever need a few more loudspeakers than your existing 70V amplifier can drive but have no convenient line-level audio to run into a local amplifier? Well RDL has the module for you! The TX-70A 70/25/100 volt input interface matches a 100, 70 or 25 volt speaker line to any unbalanced line level audio input. Simply install the TX-70A as you would a 70V speaker...

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Radial USB-PRO DI for Laptops with Level Control / Mono Summing / Headphone Out

Radial Engineering

Item# RAD-USB-PRO

The Radial USB-Pro is a high-resolution stereo direct box designed to convert sound files from a laptop computer and seamlessly transfer them to a pair of balanced audio outputs to feed a PA, recording or broadcast mixing console. Made to be plug & play easy to use, the USB-Pro automatically configures itself for use with all popular operating systems including Mac OSX, Windows XP, Vista and Windows 7, thus eliminating the need to load special drivers. Unlike devices that are limited with...

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Rapco LTIGLBLOX Laptop Interface with Ground Lift

Rapco

Item# LTIGLBLOX

LTIGLBLOX is a consumer to pro interface. It converts input from consumer grade equipment (laptop computers, MP3 players, CD players) to a mic level balanced output. Ground lift switch. Gives operator volume control of the outgoing stereo signal. 3.5mm male input and XLR male output. Features: Self-contained unit converts input from consumer grade equipment to a mic level balanced output Operator volume control of outgoing stereo signal 3.5mm male input and XLR male output Ground lift switch Perfect...

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TOA L-11S 600 Ohm Balanced Line Input Module Mute Receive w/Screw Terminals

TOA Electronics, Inc.

Item# TOA-L11S

The L-11S is a 600 Ohm balanced line input module mute receive with screw terminals. Features: Use "B" Series Modules with transformer isolation for balanced or unbalanced sources. Use "L" Series Modules only for 600 ohm impedance matching. Use "U" Series modules for unbalanced sources with short cables (less than 15 feet) Specifications:

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Atlas AT35-PA Deluxe Priority Plate Mounted 35W Attenuator with Priority Relay 3dB Steps

AtlasIED

Item# ATL-AT35-PA

High-quality auto transformer AT35-PA provides the advantages of excellent frequency response, low insertion loss and reliable performance for volume control application in 25 and 70.7-volt systems. Attenuation is accomplished in ten make before break steps plus positive off position. (No stop between maximum and off position to prevent switch damage). Contacts are silver plated for noise-free operation. Features a removable terminal block. Includes stainless steel plate, with stamped and filled...

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3.5mm Extension Stereo Audio Isolation Transformer - 21 Inches

Unique Product Solutions

Item# 35-SAIT

Every installation technician has faced it or soon will - the dreaded humming from the speakers, a telltale sign of a ground loop. Ground loops are caused by voltage potential differences at the ground point on your equipment. Voltages in the range of microvolts up to millivolts or higher can cause ground loops. Ground loops occur when multiple audio/video components are powered from different outlets, most commonly, outlets that are tied to different circuitbreakers or even a different secondary...

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Sescom SES-AES-EBU-1 3-Pin XLR Female to 75 Ohm BNC Female AES/EBU Impedance Transformer

Sescom

Item# SES-AES-EBU-1

The Sescom SES-AES-EBU-1 is an excellent impedance transformer at a reasonable cost for meeting the needs between analog to digital conversion. It also allows for longer cable runs via unbalanced coaxial lines rather than twisted pair cables that have greater attenuation at relevant frequencies. Perfect for medium haul cable runs. Features: 110 Ohm Female XLR to 75 Ohm AES-EBU in-line transformers BNC to 3-Pin XLR Receptacle (male & female versions) Provides an excellent impedance transformer...

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RDL TX-1A Balanced to Unbalanced Transformer - Adjustable

Radio Design Labs

Item# TX-1A

The RDL TX-1A is used primarily for galvanic isolation and format conversion between equipment. Conversion from -10 dBV consumer level up to +4 dBu professional level requires voltage gain. The transformer in the TX-1A has a 1:1 ratio and uses an adjustable attenuator circuit at its output to lower the output signal to the level required. The module cannot provide voltage gain. RDL offers several premium quality conversion amplifiers to produce professional signals from consumer sources....

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ESE ES-244 Bi-Directional Audio Level Impedence Interface

ESE

Item# ES-244

The ESE ES-244 is a stereo, bi-directional coupling unit. Provides and easy means of connecting equipment with balanced, +4 or +8dBm inputs/outputs. Housed in a rugged, black anodized aluminum enclosure measuring 7"W x 1.6"H x 5"D. The amplifier section receives the unbalanced audio via the two RCA connectors & converts it to balanced, accessible on the two male XLR connectors. Adjustable gain from +6 to +20dB on each channel. Applications Include: Unbalanced Computer Sound Cards to Pro...

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Isolation Transformer

Pro Co Sound, Inc.

Item# IT-1

For balancing and isolation of line-level outputs of mixers, equalizers, crossovers and other equipment. 1/4" (6.35mm) T/R/S and female XLR type input (with parallel 1/4" (6.35mm) and male XLR-type output); 1/4" (6.35mm) T/R/S and male XLR type transformer isolated outputs with ground lift switch. Uses built in LOT-1 transformer (600 Ohms 1:1).

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Sescom SES-AUD-TRS-BAL Stereo Unbalanced Audio to Balanced Converter 3.5mm TRS To Left & Right Male XLRs

Sescom

Item# SES-AUD-TRS-BAL

The perfect tool for connecting smartphones, laptops and computer outputs to a front-of-house system or other professional sound setups is the Sescom AUD-TRS-BAL. It's a passive audio interface used to convert 3.5mm TRS line-level audio to left and right XLR balanced left/right outputs. Simply stated, it converts the output from laptops, MP3 players, CD players and more to interface with professional balanced 600 Ohm (relative) systems such as powered speakers, mixers and audio workstations. The...

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Sescom BUB-1206 1-Channel XLR Balanced to RCA Unbalanced Audio Converter

Sescom

Item# SES-BUB-1206

If you're looking for a simple inline solution to interface a single XLR channel with audio recorders, mixers inputs and similar devices with RCA inputs, reach for the Sescom BUB-1206. The Sescom SES-BUB-1206 is an active single-channel audio converter for balanced XLR to unbalanced RCA signal conversion. Housed in a robust anodized aluminum enclosure with Neutrik connectors, the compact Sescom SES-BUB-1206 assures high quality and reliability. The active design delivers low noise, low signal...

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TOA U-03R Stereo Line Stereo Summing- Low/Hi Cut Filters and Dual RCA

TOA Electronics, Inc.

Item# TOA-U03R

The TOA U-03R is an AUX module to be used in conjunction with the 900 series and AX-1000 amplifier. It has a low-cut and a high-cut filter. Features: Use "B" Series Modules with transformer isolation for balanced or unbalanced sources. Use "L" Series Modules only for 600 ohm impedance matching. Use "U" Series modules for unbalanced sources with short cables (less than 15 feet) Specifications: Power Source: 24 V DC Current Consumption: Under 8 mA Input...

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Hosa GLT-255 XLR3F to XLR3M Ground Lifter (Pin 1 is Lifted)

Hosa Technology, Inc.

Item# GLT-255

This adaptor is designed to eliminate interference associated with ground loops. Pin 1 is lifted resulting in an ungrounded signal. Features: Defeats the ground in balanced and un-balanced audio lines. Can stop humming and buzzing caused by ground loops. No ground to chassis.

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Sescom IL-L2M-40DB 40dB Inline Audio Pad - Line Level to Mic Level

Sescom

Item# IL-L2M-40DB

Stops overloading peaks and distortion - Provides totally Flat, Full-Bandwidth across the board level cut; lowering the signal to the level you need! Inline design with Built-In Male and Female XLRs right in the housing: Plugs directly into equipment's inputs OR outputs - No additional cables or adapters needed Can also be inserted in-between two XLR cables, no problem! Extremely High Quality /Super Low Noise 1% metal film resistors for high performance Assembled and Quality Controlled 100% in the...

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Blonder Tongue FAM 4006A Fixed Attenuator F Female-Male 10dB

Blonder Tongue

Item# BT-FAM-10

9 Attenuators Available

The FAM fixed attenuators provide accurate attenuation and excellent match. The FAM series has one type "F" male and one "F" female connector.

LZHZ 1/4 inch male mono to XLR female Low Z to High Z Matching Transformer

Calrad Electronics

Item# CTX-LZHZ

The Connectronics LZHZ is a switchable, wired, 600 ohm/50K ohm low impedance to high impedance level matching transformer, 1/4 inch male mono input to XLR female out. Please Note: This item does not work bidirectionally. Features: Specifications:

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Sescom SES-AES-EBU-2 BNC Female to 3-Pin XLR Male AES/EBU Impedance Transformer

Sescom

Item# SES-AES-EBU-2

The Sescom SES-AES-EBU-1 is an excellent impedance transformer at a reasonable cost for meeting the needs between analog to digital conversion. It also allows for longer cable runs via unbalanced coaxial lines rather than twisted pair cables that have greater attenuation at relevant frequencies. Perfect for medium haul cable runs. Features: 75 Ohm BNC to 110 Ohm Male XLR AES-EBU in-line transformers BNC to 3-Pin XLR Receptacle (male & female versions) Provides an excellent impedance transformer...

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Rapco LTIBLOX Laptop Interface - 3.5mm Line Level to XLR Mic Level Converter

Rapco

Item# LTIBLOX

The Rapco LTIBLOX Laptop Interface is designed to connect laptop computers, CD players and MP3 players with 3.5 mm stereo outputs into low impedance balanced inputs on professional mixer consoles while providing volume control via the rotary potentiometer. Features: Self-contained unit converts input from consumer grade equipment to a mic level balanced output Operator volume control of outgoing stereo signal 3.5mm male input and XLR male output Perfect size for your toolbox or even a shirt...

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Canare BCJ-XP-TRC BNC-F In to XLR-M Out Impedence Transformer Plug

Canare

Item# BCJ-XP-TR

110 - 75 ohm Impedance Transformer XLR3: Male BNC: Female Pack Qty: 1 pc Canare Impedance Transformers are designed to convert 2-channel digital audio signals between balanced 110 ohms XLR and unbalanced 75 ohms BNC. This cost effective adapter allows you to switch from a limited length microphone cable to a much longer, IMPEDANCE MATCHED 75 ohms coax cable. Now, conveniently route D1, D2, R-DAT and DAW signals via 75 ohms Canare Video Patchbays, BNC plugs and super flexible Coaxial...

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Canare BCJ-XJ-TRC XLR-F 110 Ohm to BNC-F 75 Ohm Impedence Transformer

Canare

Item# BCJ-XJ-TR

110 - 75 ohm Impedance Transformer XLR3: Female BNC: Female Pack Qty: 1 pc Canare Impedance Transformers are designed to convert 2-channel digital audio signals between balanced 110 ohms XLR and unbalanced 75 ohms BNC. This cost effective adapter allows you to switch from a limited length microphone cable to a much longer, IMPEDANCE MATCHED 75 ohms coax cable. Now, conveniently route D1, D2, R-DAT and DAW signals via 75 ohms Canare Video Patchbays, BNC plugs and super flexible Coaxial...

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Radial ProAV1 Passive 1 Channel DI w/RCA 3.5mm XLR & 1/4in Inputs

Radial Engineering

Item# RAD-PROAV1

2 Types Available

The Radial ProAV1 and ProAV2 are passive direct boxes specifically developed with the audio-video integrator in mind. The ProAV1 features a variety of stereo inputs that are merged via a resistive mixer to mono, greatly simplifying signal management and the ProAV2 has full two-channel stereo functionality. To eliminate the need for various adapter, a 'Swiss Army' array of connections are provided. including 1/4" for instruments, RCA and 1/8" connectors for consumer...

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DSan LSP-1 Laptop Sound Port - Mono Audio Attenuator for Headphone to Mic Level - 1/8-Inch to XLR - 5-Foot Cable

Sescom SES-ON-THE-LEVEL RCA to XLR Audio Level Converter with Level Controls

RDL TX-J2 Unbalanced Input Transformer

RDL TX-70A 25V/ 70V/ 100V Speaker Level Input Interface - Unbalanced Line Output

Radial USB-PRO DI for Laptops with Level Control / Mono Summing / Headphone Out

Rapco LTIGLBLOX Laptop Interface with Ground Lift

TOA L-11S 600 Ohm Balanced Line Input Module Mute Receive w/Screw Terminals

Atlas AT35-PA Deluxe Priority Plate Mounted 35W Attenuator with Priority Relay 3dB Steps

3.5mm Extension Stereo Audio Isolation Transformer - 21 Inches

Sescom SES-AES-EBU-1 3-Pin XLR Female to 75 Ohm BNC Female AES/EBU Impedance Transformer

RDL TX-1A Balanced to Unbalanced Transformer - Adjustable

ESE ES-244 Bi-Directional Audio Level Impedence Interface

Isolation Transformer

Sescom SES-AUD-TRS-BAL Stereo Unbalanced Audio to Balanced Converter 3.5mm TRS To Left & Right Male XLRs

Sescom BUB-1206 1-Channel XLR Balanced to RCA Unbalanced Audio Converter

TOA U-03R Stereo Line Stereo Summing- Low/Hi Cut Filters and Dual RCA

Hosa GLT-255 XLR3F to XLR3M Ground Lifter (Pin 1 is Lifted)

Sescom IL-L2M-40DB 40dB Inline Audio Pad - Line Level to Mic Level

Blonder Tongue FAM 4006A Fixed Attenuator F Female-Male 10dB

LZHZ 1/4 inch male mono to XLR female Low Z to High Z Matching Transformer

Sescom SES-AES-EBU-2 BNC Female to 3-Pin XLR Male AES/EBU Impedance Transformer

Rapco LTIBLOX Laptop Interface - 3.5mm Line Level to XLR Mic Level Converter

Canare BCJ-XP-TRC BNC-F In to XLR-M Out Impedence Transformer Plug

Canare BCJ-XJ-TRC XLR-F 110 Ohm to BNC-F 75 Ohm Impedence Transformer

Radial ProAV1 Passive 1 Channel DI w/RCA 3.5mm XLR & 1/4in Inputs

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