ReviewsImpedance Matching

OSD Two Sources, Six Pair Stereo Speaker Select Box with Volume Control SSVC6

• SOUND QUALITY: The audio stays at a consistent quality with the SSVC6D to manage your speakers with volume controls to raise or lower the volume of each listening zone for perfect sound..
• IMPEDANCE PROTECTION: Impedance-matching frequency protection circuitry allows one amplifier to safely power multiple pairs of speakers without your amp or receiver overheating or damaging to the equipment..
• POWER: This speaker selector allows you to distribute an amplified signal for up to six zones throughout the house, letting you choose which source is playing in each designated zone..
• DESIGN: Front mounted master a/b switches are dual source for each separate zone to conveniently input and switch from one music source to another with on and off buttons..
• EASY INSTALLATION: The SSVC6D includes a removable phoenix connectors that accept up to a 14 gauge speaker cable to avoid frustration when connecting multiple speakers..

Donner Special-Ⅰ Professional High-Performance Passive DI-Box Unit Hum Eliminator 1/4\ instrument Direct Box to balanced & unbalanced XLR

• 【Heavy-duty】Professional and multi-purpose direct injection box for stage and studio applications.
• 【High sound quality】Provides impedance and signal matching for the direct connection of instruments to mixers and amplifiers.
• 【Clean and pure 】Ultra-flat frequency response due to renowned Donner LAB-S1 transformer .The transformer also helps eliminate hum and buzz caused by ground loops by isolating the input from the output..
• 【Robust circuit design】Converts a line or instrument level unbalanced signal to a low impedance mic level balanced signal.
• 【Low noise】Ground Lift switch eliminates typical ground loop problems .Send the thru signal to your amp and the output to the PA system. Transformer isolation eliminates nasty hum and buzz caused by ground loops..

Royer Labs R-121 Large-Element Ribbon Microphone, Nickel

• Phantom powered circuitry provides high output and impedance matching.
• Ribbon element is not affected by heat or humidity.

Monoprice Stage Right Series Sound Block (1.00)

• Heavy-duty 14 gauge steel construction. Bidirectional impedance matching..

Beyerdynamic M160 Double Ribbon Microphone - Hypercardioid (Renewed)

• Phantom powered circuitry provides high output and impedance matching.
• Ribbon element is not affected by heat or humidity.

Steren Outdoor 75 To 300-OHM Matching Transformer with Weather Boot

Fishman SBT-HP Soundboard Transducer for Harp & Piano

• Designed for harp & piano - includes long lead wire and 1/4” jack which can be mounted on a variety of instruments.
• Soundboard transducer produces transparent tone.
• An impedance matching preamp is recommended, but not required.

Fishman V-200 Classic Series Professional Violin Pickup

• An impedance matching preamp isrecommended, but not required.

Russian Roulette (Pedra do Roulette Mix)

• Internal battery automatically shuts off when phantom power is applied. Battery not included, and needs to be purchased separately..
• Professional and multi-purpose direct injection box for stage and studio applications.
• Authentic 4 x 12" speaker emulation by renowned amp designer Jurgen Rath.
• Provides impedance and signal matching for the direct connection of instruments to mixers and amplifiers.
• Ultra-flat frequency response due to renowned BEHRINGER OT-1 transformer.

Xtrempro 61048 2 to 4 Way Speaker Switch, 1 in 2 Out to 1 in 4 Out Way Pair Stereo Speaker Selector W/Terminal Clamps Metal Non-Slip Box - Black (1 x 2 Way)

• 2 or 4 channel stereo speaker control, allow conventional amplifier or stereo receiver to drive multiple sets of speakers, without the need for external impedance matching devices.
• Ideal for low cost Distributed audio in residential or commercial sound applications.
• Individual control of each speaker pair. Impedance constant at 4-16 ohms, 150w(per Channel), 300W max, Cable length: Max 164ft/50m.
• Just hooked up to the stereo. No extra power supply needed.
• Metal non-slip box, 5in x 3in x 1. 5in (2 way) and 9in x 3in x 1. 5in (4 way).

DC 3-24V 10mA Active Piezo, Transducers Piezo Transducers Buzzer Electronic Buzzer Continuous Sound with Lead Wire, 23x12mm, 85 to 95 Decibels

• Buzzer Sounder Alarm-Convenient Control-Buzzer is an electronic sounder with integration structure. It be controlled conveniently..
• Buzzer Alert Buzzer-Constitution-Piezoelectric buzzer is mainly made up by multivibrator, piezoelectric buzzer chip, impedance matching unit, resonator and shell..
• Sound Buzzer 24vdc-Working Principle-Multivibrator is composed of transistors or integrated circuits. When switched on, multivibrator vibrates and outputs audio signal..
• buzzer" Piezo Transducers Electronic Buzzer Alarm Electromagnetic Active Buzzer Continous Beep Continuously Alarm Tone Mini Active Piezo Buzzers Piezo Transducers-Working Principle-Impedance matcher drives piezoelectric buzzer sound. Connected to rated power and the buzzer will sound continuously..
• Electronic Buzzer Alarm-Widely Application-This Buzzer is used DC power, it is widely used on computers, printers, photocopiers, alarm, electronic toys, automotive electronic equipment, telephone, timer and other electronic products..