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Best Teaching Frequency Shift System

Garrett at Pro Metal Detector Special with Pro Pointer at PinPointer, Bag, Pouch, Hat, Cover and Digging Knife

  • Pulse Induction Technology: High performance in saltwater and highly mineralized soils.
  • Superior Battery Life: our 2xAA operating cost is 1/8th that of any 9V design..
  • Deepest Detection Available: powerful Pulse Induction design detects coins up to 4 inches deep..
  • Abrasion Resistant: Tip will not wear through like pinpointers made from general purpose plastic..
  • Frequency-Shift: Programmable to eliminate interference with your detector..
  • Molded Rubber Grip: Non-slip and comfortable..
  • Powerful LED light, Lost-Mode-Alarm and One-Touch Ground Cancelation..
  • Programmable Features: Control Sensitivity, Vibrate or Beep-and-Vibrate Audio Alert, Quick Retune, LED on/off, Frequency Shift..
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Wireless Lavalier Microphone System, FDUCE UHF Lapel Mic with Chargeable Transmitter&Receiver, Compatible with iPhone, Android Smartphone and Cameras for Youtube, Tiktok, Interview(Single Transmitter)

  • ... connect to mobile phones, notebooks, SLR cameras, and other devices to start recording. If the device does not have a 3.5mm interface, please use a standard adapter for transfer (not included in the package)..
  • UHF Signal Anti-interference Technology: C-01 defaults to channel B, with blue light and 30 UHF adjustable frequency bands. The frequency band range is 550.5-579.5mhz. In case of interference or noise, simply press the set key of the transmitter to switch the frequency band, and the receiver will automatically adjust the frequency without other operations..
  • Built-In Microphone: built-in high-sensitive capacitor microphone, omnidirectional pickup, stable signal. The package contains a blowout prevention wool ball, which can be additionally installed on the built-in microphone of the transmitter. There is a connection distance of 50 meters (164 feet) without other interferences..
  • Wide Applications: The wireless lapel microphone can be used for live broadcasting or recording programs on third-party platforms such as Tiktok and Youtube. It can be used as a microphone for recording various vlogs and ASMR videos, as well as podcasting or online teaching..
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Gravity Warzone WZ100ST 10 Pro Audio Active Compact Under Seat Slim Aluminum 1000 Watts 4 Ohm Subwoofer Powerful Loud Speaker with Bass Volume Control Knob

  • 10" Compact SLIM Under the Seat Subwoofer.
  • Power: 1000 Watts | Frequency Response: 30Hz - 150KHz.
  • Phase shift to compensate for time alignment problem in the system.
  • Auto power on/ off for high level connection.
  • Bass boost increases the sound level with Wire Remote Control.
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Wireless Microphone System Headset Mic/Stand Mic/Lavalier Lapel Mic with Rechargeable Bodypack Transmitter & Receiver 1/4 Output for iPhone PA Speaker DSLR Camera Recording Teaching Church Vlog

  • ... recording. It can also serve as a nice tool for fitness /exercise instructors. This set of wireless microphones is packaged well in a box so that it can be as a Birthday/Valentine's/Usual gift for microphone aficionados..
  • Selectable Channel - Microphone system delivers 32 frequencies for each channel. When there is frequency interference in the use environment, press buttons on the bodypack transmitter to choose a frequency suitable for interference-free with less prone to electric appliance interference and offers stable signal transmission. If you are not satisfied, just contact us, we will help you solve your issue effectively..
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Wedigout Underwater Fully Waterproof Pin Pointer Metal Detector 100Feet Waterproof Handheld Pulse Induction Metal Finder with Pin Point Feature LED Indicator

  • Pulse Induction Technology: High performance in saltwater and highly mineralized soils.
  • Superior Battery Life: our 2xAA operating cost is 1/8th that of any 9V design..
  • Deepest Detection Available: powerful Pulse Induction design detects coins up to 4 inches deep..
  • Abrasion Resistant: Tip will not wear through like pinpointers made from general purpose plastic..
  • Frequency-Shift: Programmable to eliminate interference with your detector..
  • Molded Rubber Grip: Non-slip and comfortable..
  • Powerful LED light, Lost-Mode-Alarm and One-Touch Ground Cancelation..
  • Programmable Features: Control Sensitivity, Vibrate or Beep-and-Vibrate Audio Alert, Quick Retune, LED on/off, Frequency Shift..
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Safe + Sound

  • ...tereo RCA input) and one stereo RCA outputs. Individual volume controls and treble/bass control, master volume to set the general volume conveniently.
  • ★ WIDE RANGE OF USAGE:The PA system has 4000 Watt Peak /1000 RMS, and can accommodate up to 200 persons and 500 m2. 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..
  • ★ DEEP & THRILLING STEREO SOUND: Two rock-solid subwoofers are made of MDF material and reduces resonance for distortion-free and accurate response. Eight tweeters and eight mid-tweeters ensures clear and deep stereo sound. Note: Items are shipped with three packages separately..
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Drive Naked

  • ...tereo RCA input) and one stereo RCA outputs. Individual volume controls and treble/bass control, master volume to set the general volume conveniently.
  • ★ WIDE RANGE OF USAGE:The PA system has 4000 Watt Peak /1000 RMS, and can accommodate up to 200 persons and 500 m2. 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..
  • ★ DEEP & THRILLING STEREO SOUND: Two rock-solid subwoofers are made of MDF material and reduces resonance for distortion-free and accurate response. Eight tweeters and eight mid-tweeters ensures clear and deep stereo sound. Note: Items are shipped with three packages separately..
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Rhythm-Al-Ism

  • ...tereo RCA input) and one stereo RCA outputs. Individual volume controls and treble/bass control, master volume to set the general volume conveniently.
  • ★ WIDE RANGE OF USAGE:The PA system has 4000 Watt Peak /1000 RMS, and can accommodate up to 200 persons and 500 m2. 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..
  • ★ DEEP & THRILLING STEREO SOUND: Two rock-solid subwoofers are made of MDF material and reduces resonance for distortion-free and accurate response. Eight tweeters and eight mid-tweeters ensures clear and deep stereo sound. Note: Items are shipped with three packages separately..
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Jesse Stone: Stone Cold

  • ...tereo RCA input) and one stereo RCA outputs. Individual volume controls and treble/bass control, master volume to set the general volume conveniently.
  • ★ WIDE RANGE OF USAGE:The PA system has 4000 Watt Peak /1000 RMS, and can accommodate up to 200 persons and 500 m2. 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..
  • ★ DEEP & THRILLING STEREO SOUND: Two rock-solid subwoofers are made of MDF material and reduces resonance for distortion-free and accurate response. Eight tweeters and eight mid-tweeters ensures clear and deep stereo sound. Note: Items are shipped with three packages separately..
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Way 2 Fonky - Dirty Version

  • ...tereo RCA input) and one stereo RCA outputs. Individual volume controls and treble/bass control, master volume to set the general volume conveniently.
  • ★ WIDE RANGE OF USAGE:The PA system has 4000 Watt Peak /1000 RMS, and can accommodate up to 200 persons and 500 m2. 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..
  • ★ DEEP & THRILLING STEREO SOUND: Two rock-solid subwoofers are made of MDF material and reduces resonance for distortion-free and accurate response. Eight tweeters and eight mid-tweeters ensures clear and deep stereo sound. Note: Items are shipped with three packages separately..
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Teknetics EuroTek PRO with 11-Inch DD Coil

  • 13 kHz frequency – good for coin shooting, relic hunting and gold prospecting.
  • Frequency shift for eliminating electrical interference.
  • Visual Target-ID by category and 0-99 numerical indication.
  • Continuous ground mineral concentration readout.
  • Speed selection – normal for most conditions, slow for deep coins in non-trashy areas.
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ZOWEETEK Voice Amplifier Microphone Lavalier Microphone Wired,Portable Clip Microphone with 3.5mm Audio for Voice Amplifier and AUX Audio Device

  • The clip-on microphone can make you more comfortable and enjoy.At the same time, this frequency of the voice amplifier microphone provides....
  • Ultra long design, cable up to about 6.36 ft, accessible to even though you are using monopod..
  • The 3.5mm lapel microphone can work compatible with Voice amplifiers, PA System,cameras and more..
  • The clip is small, light and strong. Very suitable for teaching,speaking, training, etc.Distance from the mouth of the most suitable microphone is....
  • The Lapel Microphone Wired can be fixed on the collar, It does not slip when clipped on,which looks very fashionable and beautiful..
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Drive In På Maccen [Explicit]

  • ...tereo RCA input) and one stereo RCA outputs. Individual volume controls and treble/bass control, master volume to set the general volume conveniently.
  • ★ WIDE RANGE OF USAGE:The PA system has 4000 Watt Peak /1000 RMS, and can accommodate up to 200 persons and 500 m2. 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..
  • ★ DEEP & THRILLING STEREO SOUND: Two rock-solid subwoofers are made of MDF material and reduces resonance for distortion-free and accurate response. Eight tweeters and eight mid-tweeters ensures clear and deep stereo sound. Note: Items are shipped with three packages separately..
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