Best High sensitivity Frequency Counter

Upgraded Pyle Bill Counter Machine - Cash Automatic Counting Toploader UV & MG Counterfeit Detection UV Scanning LCD Display 1500 Pieces Per Min U.S & Canadian Dollar Euros & Pound - PRMC500

  • FORGERY PROTECTION: The Pyle counterfeit bill counter includes integrated counterfeit banknote detection. This includes built-in UV scanning for bill....
  • AUTOMATIC COUNTER: The currency counter features accurate, reliable and hassle-free bill counting. An adjustable top-loading bill feeder makes the....
  • HIGH PRECISION SENSORS: The dollar bill counter incorporates dual, highly-sensitive sensors for accurate scanning, giving you exact results for....
  • CONTINUOUS COUNT: Let go of frustration and inaccurate counts with the Pyle bill counter machine that includes two counting modes, manual and....
  • VERSATILE BILLS: The bill currency counter is versatile enough to work with bills of varying conditions including old, wrinkled, ripped and bent....
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MartinLogan ElectroMotion ESL X Floor-Standing Speaker Each (Satin Black)

  • High-frequency transducer: XStat CLS electrostaic transducer.
  • Panel dimensions: 40" x 8.6" (102cm x 22cm), Radiating area: 344 in2.
  • Low-frequency driver: Two 8” (20.3 cm) high excursion, high-rigidity paper cones with extended throw driver assembly, non-resonance asymmetrical chamber format, bass reflex.
  • Vojtko topology filter utilizing custom air core coil and low DCR steel laminate inductors, polyester film capacitors in series, and low DF electrolytic capacitors in parallel.
  • Frequency response: 41–22,000 Hz ±3dB, Sensitivity: 91 dB/2.83 volts/meter.
  • Recommended amplifier power: 20-400 watts per channel.
  • Dimensions: 59.2 x 9.4 x 20.7 (150.3cm x 23.8cm x 52.6cm), Weight: 52lbs. (23.6kg) each.
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PRV AUDIO TW700Ti Super Tweeter 4 Titanium Bullet Super Tweeter 8 Ohm Black 1.5 VC Pro Audio High Frequency Driver 107dB 120 Watts RMS Built-in Polyester Capacitor Single

  • Frequency response up to 20,000 Hz and a sensitivity of 107 dB at 1W/1m.
  • Double magnet that efficiently increases the magnetic field into the gap, delivering high sensitivity and low distortion.
  • High Frequency Bullet Tweeter, capable of adding brilliance and articulation to any professional loudspeaker system.
  • Includes Polyester metalized film capacitor to lower distortion by limiting low frequencies.
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Professional Geiger Counter Nuclear Radiation Detector Radioactive Meter Tester with LED Display,JD-3001 High Precision Nuclear and Electromagnetic Radiation Detector Dosimeter (Built-in Battery)

  • 【High Sensitivity】: Professional geiger counter, Geiger Core radiation detector has built-in acoustic and visual signals for the degree of radiation captured. Using a highly developed GM tube as the core sensor. It has automatic data logging. The LCD screen allows you to read the required data quickly and accurately, it is used to record natural background radiation and artificial radiation.(TRHOPR 品牌已加入,跟卖者一律斩杀,不妥协!祝您好运~).
  • 【Long-term Monitoring of Radiation and Radiation Detection】: 2 in 1 Function- Radioactive Detector for Nuclear Radiation und Electromagnetic Radiation.The nuclear radiation detector uses a complex GM tube as the core sensor with a small error, high precision 0.01 UPS / h to ensure accurate measurement, high sensitivity, wide range measurement , lasting benefits . Measuring range: electric field: 1V/M~1999V/M.
  • 【Safe Monitoring】: Nuclear and electromagnetic radiation tester has been developed with data display, memory and output functions .And built-in timing shutdown, threshold alarm function. If you are in an environment with electromagnetic radiation for a long time, it will cause great harm to our body. We need nuclear radiation detectors t....
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Rigol DG822-25 MHz Function/Arbitrary Waveform Generator, 2 Channel

  • Unique SiFi II (Signal Fidelity II) technology: generate the arbitrary waveforms point by point.
  • jitter of all the output waveforms (including Sine, Pulse, etc.) as low as 200 ps.
  • 16 Mpts memory depth per channel for arbitrary waveforms.
  • Standard dual-channel with the same performance, equivalent to two independent signal sources.
  • Built-in high-order harmonic generator (at most 8-order harmonics).
  • Built-in 7 digits/s, 240 MHz bandwidth full featured frequency counter.
  • Up to 160 built-in arbitrary waveforms, covering the common signals in engineering application, medical electronics, auto electronics, math processing, and other various fi elds.
  • Sample rate up to 250 MSa/s, vertical resolution 16 bits.
  • Arbitrary waveform sequence editing function available.
  • arbitrary waveforms also can be generated through the PC software.
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Genius Audio GPRO-T06 1\

  • TRUE RMS WATTS POWER: Powered audio super tweeter system delivers an impressive 35 Watts RMS and 150 Watts Max at 4 Ohms (Per Speaker).
  • HIGH QUALITY STRUCTURE: Aluminum diaphragm and 1" CCAW voice coil built for long-term durability.
  • HIGH TEMPERATURE MAGNET: Our ferrite Y25 magnet has a higher Curie temperature than regular magnets in order to maintain its magnetization at high temperatures (70x32x12 mm).
  • NEXT LEVEL SYSTEM: Take full advantage of your audio system capacity by upgrading to this quality, high end super tweeter designed to disperse high-frequency sounds into the room so that they are heard accurately.
  • SPECIFICATIONS: Frequency Response: 2KHz - 20KHz, Sensitivity 97 dB, Impedance 4 Ohms.
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Advanced Super Cardioid Microphone for Canon EOS 5D Mark IV (Stereo/Shotgun) with Dead Cat Wind Muff

  • Transducer: Condenser, Polar Pattern: Super-cardioid, Frequency Response: 20-20kHz Selectable LCF @ 75dB / 150dB /octave, Shock-resistant structural design, to reduce the mechanical noise of the camera and other vibration noise..
  • Sensitivity: -43dB~-23dB enhanced: The low-frequency attenuation: 75Hz 15dB / octave. output impedance: 200Ω. High sensitivity super cardioid mic capsule to pick up sound directly in front of it without receiving ambient noise form sources..
  • Advanced features include: 1. Adjustable Sensitivity with Visual Metering. 2. a pre-calibration function to obtain the best possible recording levels on-camera to reduce unwanted noise without losing range. Power: Rechargeable Battery 3.7v, 300mAH (Included), Battery Life: 60 hours approximately. Low power indicator..
  • What’s in the box: Shotgun Microphone, Foam windscreen, Dead Cat Wind Muff, Signal Cables, USB Cable, Carrying Case, Shock mount, XLR Adapter (If necessary), Warranty & Instructions. Dimensions (LxH): 6.9 x .86″ (177mm x 22mm), Weight: 2.963oz (84g).
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XTUGA J-3 Professional True Diversity UHF Instrument Microphone Wireless Transmission System for Saxophone Transmitter Receiver 492ft Transmission Range,Plug and Play

  • Saxophone-specific UHF wireless microphone transmission system. True diversity wireless receiver and transmitter, dual antenna diversity reception. Stable reception without blind zone, high frequency stability, no delay, high-recovery pickup,Frequency rang:550-580Mhz.
  • With PLL combined technology. 100 channel free choice, infrared frequency function, using secondary frequency conversion circuit design, with sensitivity, multiple squelch control and anti-interference function.
  • Flexible gooseneck for optimum microphone positioning.No more tripping on cables.The microphone transmitter can be directly clipped to the saxophone and the horn.Experience complete freedom of movement while performing.
  • High fidelity and long range, signal stability.operating range up to 150 meters (492Ft).The receiver and transmitter are powered by a large capacity rechargeable lithium battery. Working hours are about 5 hours. Comes with a USB cable for convenient recharging.
  • Equipped with LED display.The LCD display shows you the frequency, microphone volume as well as the battery level. Change the microphone volume from the receiver is easy. The working status is clear at a glance.
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Rockville RWM81U Dual UHF Headset & Guitar Wireless Microphone System w/LCD

  • Rockville RWM81U Dual Wireless UHF Headset Microphone System. High performance wireless headset microphone system. Includes transmitter with two high sensitivity, unidirectional, wireless, cardioid headset microphones..
  • Featuring a dual filter design to limit feedback and interference. Ultra signal stability eliminates unwanted distortion. Professional receiver with multifunction color displays shows frequency, signal synch, and audio input..
  • Transmitter automatically links to receiver for ease of use. Use any two mics (handheld or headset) at once. Individual microphone volume controls. Rugged metal housing. Comfortable ergonomic composite microphone construction..
  • Low power consumption for longer battery life. System:. . Operating Range: 300´– 400´(indoor), 250´ – 350´(outdoor). Channel: Two Channel. Frequency Range: 480-498MHz. Frequency Stability: ±0.005%. Modulation Mode: UHF..
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RockvilIe RWM3300UA Dual HandHeld Microphones For Church Sound Systems

  • ... and interference, Individual microphone volume control, Comfortable ergonomic composite microphone construction, Low power consumption for longer battery life, Ultra signal stability minimizes audio artifacts.
  • OSA technology: Locates, prioritizes, and selects the clearest frequency for the best sound quality, The display on the mic and the receiver show the battery life, Operating Range: 200´-260´(indoor), 160´-220´(outdoor), Channel: 200 Channel selection, Frequency Range: 500MHz-599MHz, Frequency Stability: ±0.005%.
  • , Frequency Response: 40Hz-15KHz(±3 dB), Dynamic Range: 110dB, S/N: 90dB, T.H.D: < 0.1%(1KHz), Audio Output Jack: (Ch1/Ch2) XLR balanced + 1/4" mixed, Power Voltage: AC110V-240V 50/60Hz, Operating Temperature: 14°F-122°F, Mic Battery Operating Time: up to 8 hours.
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