Best Teaching Frequency Shift System

IEM1200 Wireless in Ear Monitor System 2 Channel 2/4 Bodypacks Monitoring with in Earphone Wireless Type Used for Stage ,Studio and Church (2 Bodypacks)

  • UHF WIRELESS IN EAR MONITOR SYSTEM-UHF band Phase lock PLL,Improved comprehensive performance, anti-frequency drop, anti-series frequency. Frequency range: 550 MHz-580 Mhz. In the 32MHz frequency band, the preset 40 frequencies can be switched at will. The dynamic expansion circuit greatly improves the signal-to-noise ratio.
  • USED IN STAGE PERFORMANCE AND SOUND BROADCASE-Built-in Limiter circuitry eliminating distortion under excessive input levels. Front panel 1/4-inch stereo monitoring has the headphone jack.Used in stage,it can replace traditional comples sound monitoring equipment,achieve admirable listening effect.
  • DESIGN FEATURES(APPERANCE AND DISPLAY)-XTUGA in ear monitor system with elegant liquid crystal display panel and LCD display low-battery indicator on the receiver.With power and RF receiving indecator lamp. It using two AA batteries and efficient power circuit,longservice time.The metall housing makes it sturdy and durable..
  • WIRELESS RANG AND FREQUENCY RANG-IEM1200 in ear monitor wireless and receiver system offers tabletop stage monitoring with a wireless range of up to 300 feet,THE normal can be 250FT-350F.Also improve the signal-to-noise ratio of the dynamic range so that the system has the best anti-interference to show the perfect ....
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PRORECK MX10 1600W 6-channel Powered Bluetooth Mixer with 10inch Passive Speakers PA System Mixer/Amp/ Stands/Mic

  • ...etc with line of sight of up to 66 feet. Compatible with condenser mic/dynamic mic/guitars.Individual volume controls, +48V phantom button, RCA input&output..
  • Compact and light weight mixer delivers clear and distortion free sound. It streams audio signal to passive speakers and then deliver music to audiences. Wide frequency response (from 40-20KHz) makes it suitable for amplifying any type of audio including music or vocals. Great for wedding, meeting, speeches, churches, class teaching, gymnastics, conference, home theater, etc. Easily connect to multiple musical instruments..
  • Easy to transport and setup: Ergonomically shaped side handles on the mixer and passive speakers for easy carrying and setup. Two rugged speaker stands are easy to fold and transport..
  • Speaker size:10x12x15inch. One year warranty, 30 days return..
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Dewhel 2 1/4\ 8 Ball Billiard Round Manual Gear Shift Lever Shifter knob Black Shaped JDM 4 5 6 Speed Universal for Honda Acura Mazda Mitsubishi Nissan Infiniti Lexus Toyota Scion Hyundai etc

  • This Devilish Red Satanic Skull Auto Shift Knob is 2.25" tall, 3" wide and 2" deep approximately. The knob weighs about 6 ounces..
  • This Cool Red Satanic Skull Auto Shift Knob is made of polyresin, hand painted and polished individually..
  • This Demon Shift knob will fit most standard manual/automatic stick shift cars (see thread measurements). Our Knobs come with a rubber grommet to fit on top of the threads. Hole diameter: 0.5in.
  • Comes with a black rubber stopper with a hole diameter of 0.25in. This shift knob does not have a thread system and you will need to glue the knob should the rod be too small..
  • Props in photos are not included with the item. They are meant to provide size perspective of the item(s)..
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Koolertron 60MHz High Precision DDS Signal Generator Counter,Upgraded Dual-Channel Arbitrary Waveform Function Generator Frequency Meter 266MSa/s (60MHz)

  • ... Triangle, Pulse, Partial Sine, CMOS, DC level, Half-wave, Full-Wave, Pos-Ladder, Neg-Ladder, Noise, Exponential Rise, Exponential Fall, Tone, Sine Pulse, Lorentz Pulse, and 60 kinds user defined waveform etc. each channel can be independently set the parameters..
  • With linear sweep(Max. up to 999.9s) and logarithmic frequency sweep functions.Has a frequency measurement, period measurement, positive and negative pulse width measurement and counting function..
  • Storage feature: You can store 100 groups instrument state parameters set by the user, can be called up to Reproduce. Frequency output of Sine wave can be up to 60MHz. 266MSa/s sampling rate. It has 60 positions for saving user-defined waveform. Waveform Length of each one is 2048 and vertical resolution is 14 bits.
  • This Signal Generator is the ideal instrument for electronic engineering, laboratories, production lines, teaching and scientific research..
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Koolertron 15MHz High Precision DDS Signal Generator Counter,Upgraded Dual-Channel Arbitrary Waveform Function Generator Frequency Meter 266MSa/s (15MHz)

  • ... Triangle, Pulse, Partial Sine, CMOS, DC level, Half-wave, Full-Wave, Pos-Ladder, Neg-Ladder, Noise, Exponential Rise, Exponential Fall, Tone, sine pulse, Lorentz Pulse, and 60 kinds user defined waveform etc. each channel can be independently set the parameters..
  • With linear sweep(Max. up to 999.9s) and logarithmic frequency sweep functions.Has a frequency measurement, period measurement, positive and negative pulse width measurement and counting function..
  • Storage feature: You can store 100 groups instrument state parameters set by the user, can be called up to Reproduce. Frequency output of Sine wave can be up to 15MHz. 266MSa/s sampling rate. It has 60 positions for saving user-defined waveform. Waveform Length of each one is 2048 and vertical resolution is 14 bits.
  • This Signal Generator is the ideal instrument for electronic engineering, laboratories, production lines, teaching and scientific research..
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EARTHQUAKE 37037 Pioneer Dual-Direction Rear Tine Tiller, Red/Black

  • DUAL DIRECTION- Operate in CRT mode (counter rotating tines) to bust sod and till tough soils, then shift to SRT (standard rotating tines) to create a smooth seed bed for planting..
  • FRUSTRATION FREE SHIFTING- Pioneer removes the guesswork from getting in gear with a shift positioning system that other dual direction tillers envy. No fuss, no cuss, no back and forth… easily find the drive mode you want by simply sliding the shift handle into your preferred mode on the locator plate..
  • COMPACT POWER- Designed for performance, the Pioneer uses a lighter and quieter 99cc Viper engine that is right-sized for the job reducing the weight and offering a smoother, less noisy and more balanced experience during operation..
  • INSTANT REVERSE- Unlike its competitors, Pioneer takes the “shift” out of backing up. Seamlessly maneuver backward in your garden with the quick pull of a handle. Release the handle to go forward again..
  • AIRLESS WHEELS- Not only will the super-wide airless wheels never go flat, they have seriously aggressive lugs for clawing at the dirt for maximum traction..
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American Bass PH1600 Subwoofer Amplifier

  • Specifications: 1-Ohm stable. Mono - block hybrid amplifier. Max power @ 1 ohm: 4800 watts. RMS power @ 1 ohm: 2200 watts. Low levelInput & output. Frequency response: 20hz ~ 250hz.
  • Input level: 0.2v ~ 6v. Variable subsonic filter: 10hz ~ 50hz. Variable low pass filter: 35hz ~ 250hz. Varaible bass boost: 0 ~ 9db at 45hz. Variable phase shift: 0 ~ 180 degrees.
  • Remote gain controller. Two amplifiers linkable connector & selector. Fuse ratting: 120a. Linked fuse: 240a. Dimensions: 13.26 length x 6.5 width x 2.25 height.
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Sram Force Etap Axs 2X D1 Electronic Flatmount HRD Groupset: Black

  • Groupset includes all electronic components for a 2x setup in a single package - hydraulic brake/shift lever pair, front and rear flat mount disc calipers, 160mm 6-bolt disc rotors, front and rear derailleurs, battery, charger and cord, and Quick Start Guide.
  • The SRAM Force eTap AXS HRD brake/shift System features simple and intuitive eTap shift logic and is AXS enabled for easy personalization.
  • Brakes feature contact point adjustment and reach adjust to customize hand and braking preferences.
  • The Force eTap AXS front derailleur features classic SRAM Yaw trimless cage technology with an optimized cage profile for SRAM Force front chainring combinations.
  • Battery placement on the front derailleur is streamlined to allow for more rear tire clearance.
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Model Animal and Plant Cells Model - Medical Anatomical Teaching Model - Biological Experimental Teaching Comparative Models - for Study Display Teaching Medical Model

  • Package & Service: We are committed to the highest standards of quality. Your satisfaction is our top priority, any quality issues please feel free to contact us. Your shopping experience should be perfect every time..
  • Contrast the structure of animal and plant cells" teaching demonstration model. Is a model of typical cells that concentrates the characteristics of the general animal plant cells and the main organelles in the model. Can help students to carry out comprehensive teaching practice, effectively combining theory with practice.
  • The structure of plant cells is divided into cell wall, cell membrane, chloroplast, nucleus, vacuole, cytoplasm.The structure of animal cells is divided into cell membrane, nucleus, and cytoplasm. Designed to provide you with a comprehensive system of biological cell models.
  • Material: Made of environmentally friendly PVC, computer color matching, beautifully hand-painted. Almost true display of animal plant cell structure. Size: 28*18*13cm.
  • Teaching tools: Different colors are used to distinguish different positions, and the colors are bright and easy to attract students' attention, so you can to teaching demonstration, which promotes students' understanding and increases classroom fu.
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One Direction: This is Us (Two Disc Combo: Blu-ray / DVD)

  • DUAL DIRECTION- Operate in CRT mode (counter rotating tines) to bust sod and till tough soils, then shift to SRT (standard rotating tines) to create a smooth seed bed for planting..
  • FRUSTRATION FREE SHIFTING- Pioneer removes the guesswork from getting in gear with a shift positioning system that other dual direction tillers envy. No fuss, no cuss, no back and forth… easily find the drive mode you want by simply sliding the shift handle into your preferred mode on the locator plate..
  • COMPACT POWER- Designed for performance, the Pioneer uses a lighter and quieter 99cc Viper engine that is right-sized for the job reducing the weight and offering a smoother, less noisy and more balanced experience during operation..
  • INSTANT REVERSE- Unlike its competitors, Pioneer takes the “shift” out of backing up. Seamlessly maneuver backward in your garden with the quick pull of a handle. Release the handle to go forward again..
  • AIRLESS WHEELS- Not only will the super-wide airless wheels never go flat, they have seriously aggressive lugs for clawing at the dirt for maximum traction..
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