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Best Microphone Impedance Matching Circuits

Songhe ESP8266 ESP-12F Wireless Transceiver Board Module WiFi Serial Remote Port Network Development Board for Arduino (5pcs)

  • On the basis of ESP-12, six new IO ports and SPI ports are added to the pins..
  • ESP8266-12F is an enhanced version of ESP8266-12. It has perfect peripheral circuits, four-layer board technology, enhanced impedance matching, and better signal output. Whether it is stability or anti-interference ability, the PCB antenna has been tested in a professional laboratory and is perfectly matched..
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Rockville PC Gaming Streaming Twitch Bundle w/RCM03 Microphone+Headphones+Tripod

  • Rockville RCM03 Pro Studio Recording Condenser Microphone Mic+Metal Shock Mount. Aluminum high quality construction. Polar Pattern: Internally Polarized Condenser Cardioid Design. Large diaphragm for smooth, natural sound and low noise. Power Requirements: 48V DC Phantom Power. Uni-directional.
  • Sensitivity: -27dB±2dB(0dB=1V/Pa at1kHZ). Output impedance: 200Ω±30%(at 1kHz). Standard operating voltage: 3V. Operating voltage range: 1.5V-10V. Current consumption: less than 500uA.
  • Voltage deduction characteristic: within 3dB at 2V. S/N ratio: More than 24dB. Frequency Response: 30Hz - 20 KHz. Fixed Crossover Filter cutoff frequency: 40Hz---16 KHz. Load impedance: Greater or = to 1000 Ohms.
  • Equivalent Noise level: Less than 18dB A (IEC581-5). Max. Input SPL: 126dB(THD≤1.0% at 1kHZ). Electrical current: Greater than 4.8Ma. Microphone body net weight:320 Grams (0.7 Pounds). Microphone Max.diameter 44mm (1.73” inches).
  • Microphone Length 217mm (8.54” inches). Microphone material: steel grille + Alluminum (handheld part). PCB Layout: Surface mount.
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iShoot Stereo MIC DC/DV Dedicated Microphone with 3.5mm Audio Plug Compatible with Canon Nikon Digital Camera & Video Camcorder with 3.5mm Mic Jack

  • 1. The microphone can be used with digital cameras & video camcorders with 3.5mm MIC Jack, and can be used with the following cameras by hot shoe directly: Compatible with Canon EOS 1DX III / 1D Mark II, 7DII / 6D II / 5D Mark IV / 5D Mark III, 90D / 80D / 70D / 800D / 750D / 700D.
  • Compatible with Nikon D6 / D5 / D4S, D850 / D810 / D800 / D750 / D7200 / D5500 / D5300 / D3500 / D3300.
  • 2. The stereo microphone uses two stereo electret capacitor pickups, two separate signal amplification circuits, and acoustic interference tube technology, have good sensitivity and high directivity, pickup effect of long-distance and excellent directivity can easily be obtained..
  • 3. The stereo MIC uses multi-level signal amplification circuit and noise reduction circuit, the output impedance of 500 ohms, suitable for most cameras and camcorders.
  • providing low-cut and sensitivity enhancements to meet the requirements of different occasions.
  • low-cut can effectively reduce wind noise..
  • 4. Using one AA battery, with excellent standby time, while providing a low voltage LED alerts.
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FingerLakes 2.5mm Car Vehicle Microphone Mic Navagation GPS DVD Bluetooth Enabled Stereo Radio 3mm Cable Plug & Play, Black (FLTP909)

  • Aftermarket microphone works with most Pioneer car navagation, stereo, DVD and radios with 2.5mm input..
  • Adopting electret condenser cartridge with high sensitivity , low impedance , anti noise and ant jamming capability. Generous 3M (9Feet) wire length..
  • Easy to install and reliable to use. Microphone can be glued with sticker to the wall, glass, car, door, etc..
  • Fast and accurate data transmission, which guarantees voice clarity and stability under all kinds of driving conditions..
  • External Microphone Assembly For Car Radio Head Units With 2.5mm Input. Includes Microphone With 3M Cord, Dash Mount - Pioneer Compatible. Technical Details: Polar pattern: Omni directional 2.5mm connector Sensitivity:--49db ±3dB Frequency Range: 50Hz-20KHz Output Impedance: ≤2.2 kΩ SNR: >58dB Standard Operation Voltage: 4.5V Operation Voltage: 1.0V-10V.DC Wire Length: 3 m (9.84ft).
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Corsair HS70 Pro Wireless Gaming Headset - 7.1 Surround Sound Headphones for PC, MacOS, PS5, PS4 - Discord Certified - 50mm Drivers – Carbon

  • Headset Wireless Range Up to 40ft.Headphones fit type:On-Ear.
  • Adjustable ear cups fitted with plush memory foam provide exceptional comfort for hours of gameplay..
  • High-quality, custom-tuned 50mm neodymium Audio drivers deliver superb sound quality with the range to hear everything you need to on the battlefield..
  • An omnidirectional microphone picks up your voice with exceptional clarity, with a flip-up mute function and a built-in LED mute indicator. Headphone Frequency Response:20Hz - 20 kHz,Impedance: 32 Ohms at 1 kHz.
  • Connect wirelessly to your PC or PS4 using low-latency 2. 4Ghz wireless via the included USB adapter..
  • A fully detachable, noise-cancelling Unidirectional microphone reduces ambient noise for excellent voice clarity..
  • Microphone Frequency Response 100Hz to 10kHz and Microphone Impedance 2.0k Ohms.
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Actron CP7665 AutoAnalyzer - Digital Automotive Multimeter

  • Actron's AutoAnalyzer performs all standard electrical tests for both on-car and bench troubleshooting allowing you to quickly diagnose and repair problems.
  • Measures AC/DC voltage, DC current, and resistance.
  • use to test diodes, batteries (1.5V, 9V, 12V), fuses, switches, solenoids, and relays.
  • Built-in automatic polarity sensing avoids reversed test lead hook-ups.
  • automatic zero adjustment for volts, amps, and battery tests ensures accurate measurements.
  • 10 MΩ input impedance for proper testing of sensitive automotive computer circuits.
  • Features: easy-to-read backlit LCD display - use day or night, hold button to retain display data, overload protection, low battery indicator, 19 ranges, 10 MΩ input impedance, 9-volt battery power (battery not included).
  • Includes color-coded leads, alligator clips, foldout stand, quick start guide, and a comprehensive downloadable usage manual with testing procedures and tips in English, Spanish, and French.
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Monoprice 8 Zone Single Input Speaker Distribution Hub Connect Up to 8 Pairs of Speakers to A Single Amplifier or Receiver Black 138161

  • Designed to connect up to eight pairs of speakers to a single amplifier or receiver..
  • Uses removable terminal blocks for easy connection for the speaker wires..
  • Note that this speaker selector does not include impedance matching circuitry..
  • The use of impedance matching volume controls are highly recommended to prevent damage to the amplifier caused by low impedance loads..
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RUSSOUND #3615-604034 SDB-6.1 Dual Source 6 Pair Speaker Selector

  • Designed for high audio quality and long-term reliability.
  • Provides impedance matching and automatic overload protection Compatible with high-power amplifiers.
  • Bypass mode allows direct speaker switching when using remote impedance-matching volume controls.
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Russound SS6.2 Speaker Selector

  • Designed for high audio quality and long-term reliability.
  • Provides impedance matching and automatic overload protection Compatible with high-power amplifiers.
  • Bypass mode allows direct speaker switching when using remote impedance-matching volume controls.
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Russound ALT126R Decora Volume Control White/Light Almond

  • Designed for high audio quality and long-term reliability.
  • Provides impedance matching and automatic overload protection Compatible with high-power amplifiers.
  • Bypass mode allows direct speaker switching when using remote impedance-matching volume controls.
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SGPRO Active Direct Box, Recording Signal DI Box for Musical Instruments as Guitar, Bass Guitar, and Keyboard Live Performance or Studio, 1/4" to XLR, Ground Lift 48V Phantom Powered Compact Unit

  • ENSURE GREATER SOUND QUALITY: The active direct box reduces the impact on sound quality due to unmatching signals from musical instruments with different impedances..
  • MATCHING IMPEDANCES: The direct box turns the high impedance signal into a low impedance signal for live performance, recording, or broadcasting..
  • EXTRA GAIN FOR LONG DRIVING CABLE RUNS: The active DI box is 48v phantom powered, which provides an additional gain to boost the weak output of some passive, single-coil pickups and extend long driving cable runs..
  • NOISE ELIMINATING: A switchable ground lift prevents current from flowing between the DI and the microphone preamplifier along the shielding, breaking the ground loop and eliminating this noise. It also reduces the noise from using long wires and cords..
  • PREVENT EXCESSIVE GAIN: The direct box comes with switchable pad (-12 dB) to prevent excessive gain from overloading the circuitry to accommodate the high output of active pickups and unbalanced line-level equipment such as keyboards and electronic instruments..
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Rockville PC Gaming Streaming Twitch Bundle RCM03 Microphone+Headphones+Boom Arm

  • Package Includes: (1) RockvilIe RCM03 Pro Studio Recording Condenser Microphone Mic+Metal Shock Mount. (1) RockvilIe DMS40 40" Microphone Boom Arm Studio Podcast USB Mic Stand+Desk Clamp. (1) RockvilIe PRO-M50 Studio Headphones w/ Detachable Coil Cable, Case+Extra Ear Pad. RCM03 Condenser Microphone (made of aluminum!). 100% Copper 10 foot 3.5mm jack to XLR cable to connect mic to your computer or other device. 100% Copper 10 foot XLR to XLR cable to connect to any mixer with phantom power.
  • Metal shock mount. Metal Anti-wind foam cap. Owners Manual. Warranty card. Features: RockvilIe RCM03 Pro Studio Recording Condenser Microphone Mic+Metal Shock Mount. Aluminum high quality construction. Polar Pattern: Internally Polarized Condenser Cardioid Design. Large diaphragm for smooth, natural sound and low noise. Power Requirements: 48V DC phantom power or computer sound card (can connect to the phantom power channel of your mixer or can connect to your laptop or computer).
  • Uni-directional. Sensitivity: -27dB2dB(0dB=1V/Pa at1kHZ). Output impedance: 2000%(at 1kHz). Standard operating voltage: 3V. Operating voltage range: 1.5V-10V. Current consumption: less than 500uA. Voltage deduction characteristic: within 3dB at 2V. S/N ratio: More than 24dB. Frequency Resp....
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Teac AX-501 Integrated Amplifier Silver

  • ALC0240 Class-D Power Amplifier by ABLETEC.
  • A fully-balanced approach used for the analog circuits on the pre-amplifier.
  • Maximum 120W + 120W of output power for practical use (at 4ohms impedance).
  • Dual analog level meters with dimmable backlight.
  • No Cooling-Fan, for Quiet Operation Efforts to eliminate noise and ensure high-quality audio.
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