Top Frequency Range Reviews

Tannoy Unpowered Speaker Cabinet VMS 1-WH

  • Full-range surface-mount loudspeakers for installation applications.
  • 26 Watts continuous, 100 Watts peak power.
  • Powerful 5" driver for extended frequency range and long-term reliability.
  • High-resolution 1” high frequency driver.
  • Linear frequency range from 70 Hz to 20 kHz.
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Rockville RWM1202VH VHF Wireless Dual HandHeld Microphone System/Metal Receiver

  • ...held mics at once. Individual microphone volume controls. Rugged metal housing. Comfortable ergonomic composite microphone construction. Low power consumption for longer battery life..
  • System: Operating Range: 100´-200´(indoor), 65´-165´(outdoor). Channel: Two Channel. Frequency Range: 170MHz - 260MHz. Frequency Response: 80MHz-12000MHz. Frequency Width: 32Mhz. Dynamic Range: 110dB. Operating Temp: 14°F – 122°F. Oscillation Mode: Quartz Crystal. Frequency Stability: ±0.005%. Modulation Mode: VHF.Frequency Response: 80Hz – 8 KHz (±3 dB). Harmonic Radiation :< 63dBm. S/N: 60dB. RF Output Power: 10mW. Power Voltage: AC110V/ 220V - 50/60Hz..
  • Mic Battery: AA x 2. Receiver:. Sensitivity: (S/N=30dB) >2mV. De-Emphasis: 50µS. Audio Output Impedance: 600Ω. Audio Output Level.: 0-0.5V. Power Supply: AC110V /220V 50/60Hz. Current Consumption: ≤50mA. Audio Out Connector: 1/4˝ unbalanced. Transmitter:. Frequency Stability: ±0.005%. RF Output Power: ≤30mW. Modulation Mode: VHF. Maximum Deviation Range: ±50KHz. Microphone Mode: Fixed. Pre-Emphasis: 50µS. Power Supply: AA/1.5V×2. Current Consumption: ≤35mA..
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Dynaudio Esotan System 372 6-1/2" 3-Way Component Speakers

  • Features: Three-way system, 6.5in MSP woofer, 1.1in soft-dome tweeter, 3in MSP midrange, Frequency response: 40Hz – 20kHz, and System impedance: 4-ohm..
  • MF172 Woofer: Nominal Impedance: 4-Ohm, Recommended Frequency Range: 40-4000Hz, Power Handling: 120W RMS | 1000W Transient. Total Diameter: 6.85", Mounting Diameter: 5.31", Mounting Depth: 2.63"..
  • MF171 Midrange: Nominal Impedance: 4-Ohm, Recommended Frequency Range: 160-14000Hz, Power Handling: 120W RMS | 1000W Transient. Total Diameter: 3.93", Mounting Diameter: 2.97", and Mounting Depth: 1.69"..
  • MT171 Tweeter: Nominal Impedance: 4-Ohm, Recommended Frequency Range: 1300-20000Hz, Power Handling: 120W RMS | 1000W Transient. Total Diameter: 2.48", Mounting Diameter: 2"-2.18", and Mounting Depth: 1.13"..
  • X372 Crossover: Crossover Frequency: 500Hz/3600Hz, Nominal Impedance: 4-Ohm, Power Handling: 200W (MF172), and Dimensions: 1.69" x 4.09" x 6.89"..
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Rockville, 2 RWM1202VH VHF Wireless Dual Handheld Microphone System w/Mic Receiver v2

  • ...me controls, Rugged metal housing , Comfortable ergonomic composite microphone construction, Low power consumption for longer battery life.
  • Specifications of RWM1202VH: System: Operating Range: 100'-200'(indoor), 65'-165'(outdoor), Channel: Two Channel, Frequency Range: 170MHz - 260MHz, Frequency Response: 80MHz-12000MHz, Frequency Width: 32Mhz, Dynamic Range: 110dB, Operating Temp: 14°F – 122°F..
  • Oscillation Mode: Quartz Crystal, Frequency Stability: 0. 005%, Modulation Mode: VHF, Frequency Response: 80Hz – 8 KHz (3 dB), Harmonic Radiation : < 63dBm, S/N: 60dB, RF Output Power: 10mW, Power Voltage: AC110V/ 220V - 50/60Hz, Mic Battery: 9V.
  • Receiver: Sensitivity: (S/N=30dB) >2mV , De-Emphasis: 50µS , Audio Output Impedance: 600O , Audio Output Level. : 0-0. 5V , Power Supply: AC110V /220V 50/60Hz , Current Consumption: =50mA , Audio Out Connector: 1/4" unbalanced , Transmitter: Frequency Stability: 0. 005% , RF Output Power: =30mW , Modulation Mode: VHF , Maximum Deviation Range: 50KHz , Microphone Mode: Fixed , Pre-Emphasis: 50µS , Power Supply: AA/1. 5V×2 , Current Consumption: =35mA....
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Rockville REQ231 Dual 31 Band 1/3 Octave Graphic Equalizer+3 Way Mono Crossover

  • ...z effective equalization range. Constant Q filters. Selectable 6dB or 12dB cut or boost range.
  • Output level LEDs (-10 to +17 dB). Bypass switch with status LED. Ground lift switch. Balanced XLR input/output. Subwoofer out. Channels: 2 (stereo). Connectors: XLR balanced inputs and outputs. Bands: 31 per channel. Frequency Centers: 20 Hz, 25 Hz, 31.5 Hz, 40 Hz, 50 Hz, 63 Hz, 80 Hz, 100 Hz, 125 Hz, 160 Hz, 200 Hz, 250 Hz, 315 Hz, 400 Hz, 500 Hz, 630 Hz, 800 Hz, 1 kHz, 1.25 kHz, 1.5 kHz, 2 kHz, 2.5 kHz, 3.15 kHz, 4 kHz, 5 kHz, 6.3 kHz, 8 kHz, 10 kHz, 12.5 kHz, 16 kHz, 20 kHz.
  • Control Range: Selectable +/-12dB 0r +/-6dB. Input Impedance: 50k ohms. Output Impedance: 600 ohms. Maximum Output Level: +21dB. Level Control: +/- 10 dB. Signal to Noise: >93 dB. Distortion: 0.005%. Roll-off filters: 18dB/octave, Butterworth. Power Consumption: 15 watts. Weight Unpacked: 7.00 lbs. Weight Packed: 9 lbs. Width Packed: 5.87". Height Packed: 20. 5". Depth Packed: 9.62". Features of RX230: RockvilIe RX230 2-way Stereo / 3-way Mono rack mountable crossover.
  • Ability to mix 2 channels output. 24dB/Octave filters. Mute switches. Channel Gain Control: 0 to +12 dB. Low Frequency Level Control: -to +6 dB. High Frequency Level Control: -to +6 dB. Low Frequency to High Frequen....
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Shure SLXD4D Dual Channel Wireless Receiver (Transmitters Sold Separately)

  • WIRELESS FREQUENCY BAND SELECtION: Before purchasing, please ensure that the wireless frequency band you select works in your area (refer to Shure website for details > search Shure Wireless Frequency Finder)..
  • COMPONENT ONLY: For this SLXD4 receiver to work, please make sure it matches the frequency band (style) on your SLX-D digital wireless transmitter..
  • WHAT'S IN THE BOX: (1) SLXD4D dual-channel receiver with antenna and rackmount accessories.
  • DIGITAL WIRELESS TECHNOLOGY: Digital predictive switching diversity. 44 MHz tuning bandwidth (region dependent). 32 available channels per frequency band (region dependent). Up to 10 compatible systems per 6MHz TV band.
  • 12 systems per 8 MHz band. RF Scan and IR Sync to quickly find an open frequency and link the transmitter to a SLX-D receiver. Easy pairing of transmitters and receivers over IR scan and sync..
  • SOUND QUALITY: Crystal clear 24-bit / 48 kHz digital audio. Extended 20 Hz to 20 kHz frequency response (microphone dependent) for natural and clear sound. Stable digital RF signal transmission. 120 dB dynamic range - excellent for vocals & acoustic and wind instruments..
  • APPLICATIONS: A variety of compatible microphone/instrument cable choices guarantees the ri....
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Shure SLXD4D Dual Channel Wireless Receiver (Transmitters Sold Separately)

  • WIRELESS FREQUENCY BAND SELECtION: Before purchasing, please ensure that the wireless frequency band you select works in your area (refer to Shure website for details > search Shure Wireless Frequency Finder)..
  • COMPONENT ONLY: For this SLXD4 receiver to work, please make sure it matches the frequency band (style) on your SLX-D digital wireless transmitter..
  • WHAT'S IN THE BOX: (1) SLXD4D dual-channel receiver with antenna and rackmount accessories.
  • DIGITAL WIRELESS TECHNOLOGY: Digital predictive switching diversity. 44 MHz tuning bandwidth (region dependent). 32 available channels per frequency band (region dependent). Up to 10 compatible systems per 6MHz TV band.
  • 12 systems per 8 MHz band. RF Scan and IR Sync to quickly find an open frequency and link the transmitter to a SLX-D receiver. Easy pairing of transmitters and receivers over IR scan and sync..
  • SOUND QUALITY: Crystal clear 24-bit / 48 kHz digital audio. Extended 20 Hz to 20 kHz frequency response (microphone dependent) for natural and clear sound. Stable digital RF signal transmission. 120 dB dynamic range - excellent for vocals & acoustic and wind instruments..
  • APPLICATIONS: A variety of compatible microphone/instrument cable choices guarantees the ri....
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Rockville RWM-4US Quad Wireless UHF 4 Microphone System w/Adjustable Frequency

  • Rockville RWM-4US Quad Wireless UHF 4 Microphone System w/Adjustable Frequency. 20 Adjustable Unique Frequencies on each microphone ensures interference free operation. Easy frequency switching by simply hitting the button on the microphone. (4) Metal handheld microphones with digital display. Professional 19 metal rack mount receiver with LCD display. Illuminated rotary knobs..
  • One button frequency switching allows you to hit the button on any of the 4 microphones and the channel will change on that microphone and auto-sync with the receiver. The display on the microphone shows channel, frequency, battery life. The display on the receiver shows RF signal strength, AF signal strength, frequency channel, battery life of each handheld mic. Operating Range: 300 400(indoor), 250 350(outdoor)..
  • Each mic uses different channel groups so that you will not get interference from one microphone to the other (There are 80 total different channels on this system 20 unique frequencies per mic). Ergonomic metal microphones are extremely high quality and have a nice weight and feel to it. Individual XLR outputs for each microphone to send each microphone to their own mixer channel. XLR and mix output to send all 4 mics to one mixer channel..
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KWD808-I Stimulator Machine 50Hz Electric Acupuncture Stimulator Massager Machine 6 Channels Outputs Patch Massager Care Device 100-240V Pulse Electrotherapy Acupuncture Instrument

  • ✅【SPECIFICATIONS】Output pulse circuit: 6 outputs. Input power: .
  • The fuse is slow-blow at 0.5A. Output pulse frequency: 1.2Hz~55Hz, the error range is ±30% continuously adjustable. Output pulse width: 0.6±0.15ms. Power supply voltage scope: AC 110~240V, 50Hz.
  • DC 9V+5%, 9V-10%. Atmospheric pressure range: 500hpa to 1060 hpa. Size: 21.7cmx16.7cmx7.5cm, weight: 1390g..
  • ✅【ADJUSTABLE FREQUENCY INTENSITY】The frequency and intensity can be adjusted. Adjustable sensitivity probe point locator. 6 outputs, plus 1 detection socket..
  • ✅【5 KINDS OF PULSE WAVES】There are 5 kinds of pulse waves to choose from: continuous wave, dense dispersive wave, discontinuous wave, ripple wave, breathing wave, with a wide range of functions..
  • ✅【OPERATION OUTPUT PROTECTION】The device outputs pulses, and the treatment is very safe and efficient. A wave with low voltage, low frequency, and the same frequency range as the human body. It has the characteristics of low voltage, low frequency, two-way, etc. The operation output protection device is particularly safe to operate and safe to use..
  • ✅【PROFESSIONAL SERVICE】If you have any questions or if you receive unqualified or damaged products, please contact us timely and we will handle them immediat....
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Signal Generator, DROK DC 3.3-30V Function Generator 5-30mA LCD Display PWM Pulse Frequency Duty Cycle Rectangular Wave Square Wave Signal Generator

  • PARAMETER ---- operating voltage range DC 3.3v~30v.
  • APPLICATION ---- as square wave signal generator for experimental development.
  • as square wave signal generator for motor driver.
  • as pulse generator, control related circuits (PWM dimming, speed regulating)..
  • SERIAL COMMUNICATION ---- support serial communication, TTL level..
  • DATA AUTO STORAGE ---- all parameters will be saved automatically after setting and therefore won't lose when power off..
  • OTHER FEATURES ---- with LCD display to display frequency and duty cycle value.
  • PWM output, can set frequency and duty cycle separately by buttons.
  • frequency value is divided into 4 range and switched automatically, with high precision..
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Facmogu 2PCS Bass Subwoofer Speakers HiFi Full Range Woofer Loudspeaker 4 Ohm Anti-Magnetic Car Vehicle Audio Speakers for 2.0/2.1 Boom Box Satellites Speaker DIY (5 Inch)

  • Full Range Woofer Loudspeaker is a 5"/6"/8" set, 4 ohm speaker complete range of amplifier, subwoofer speakers with an amazing frequency and loudness range.
  • provides amazing sound from low to very high volumes ..
  • A full-range woofer consists of a single driver element or red voice coil group, in the shape of a radiating dome dust cap, which is acoustically active. In most speaker drivers, the construction of this dust cap is relatively acoustically inert. Comes in the form of a small cone, claimed to improve dispersion at higher frequencies..
  • Has good low frequency and high frequency response - leave lower frequencies for subwoofers or special cabinet designs to handle/boost low frequency boost. Full range with good sensitivity (low frequency) and a light voice coil (high frequency) - these speakers usually use stronger magnets than usual, which increases sensitivity which reduces power requirements at low frequencies as well as allowing for a lighter voice coil..
  • The core has a copper ring that reduces third harmonic distortion by eliminating the generation of induced currents in the pole pieces. Also allows to implement the system according to the configuration "Mid-Treble-Mid", "Low-Mid-Treble" or possibly "Twin Peaks". It is equipped with a paper me....
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Baofeng UV-5III 5 Watt Tri-Band VHF, 1.25M, UHF Amateur Radio Dual Band Antenna, 220 Antenna 2Pack

  • 【Kit Includes】UV-5III Radio+1500mAh Battery+V-85 Dual Band Antenna+ 220MHz Single Band Antenna+ CH-5 Charger+ CH-5 110V Adapter+ Earpiece Kit+ Wrist Strap+ Belt Clip+ User Manual.
  • 【New Function】Tri-Band Frequency (VHF/1.25M/ UHF) Range Display Sync DTMF Decode Incoming ANI Display Remote Stun, Kill, Revive, Inspect, and Monitor Selectable Frequency Range Scanning Remove/Add Channels from Scanning Right in Menu.
  • 【Features】VOX Talk Around Mode, Busy Channel Lock-Out (BCLO), Transmission Time Out Channel Receive Only (TX OFF), Frequency Reverse Squelch Tail Elimination (STE), Work Mode (Selectable VFO/ Channel Lockout) Alpha-Numeric Channel Storage PC Programmable.
  • 【Power Output】Medium 5W /Low 1W Power Switchable, Programmable Radio Supports Keyboard or PC programming (for Outdoor /Home /Workplace use, etc.).
  • 【Frequency Range】Pursuant to Part 15 and Part 97 Certified of the FCC Rules.FCC Certification and Program Guide under the listing product guides and documents..
  • 【Wide Compatibility】Baofeng UV-5RIII ham radio covers the most commonly used frequency range, making it compatible with many other handheld radios such as the UV-5X3 BF-F8HP UV-82 series..
  • RTD SHOP is the authorized BaoFeng Distributor.
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YWBL-WH AC Round Frequency Meter LED Digital Display Hz Frequency Indicator Light

  • MAIN FEATURE---Produce Name: LED Hz Indicator.
  • Applicable: circuit frequency measurement.
  • 20-75Hz MEASUREMENT RANGE---The AC frequency meter is of wide measurement of 20-75Hz.
  • HIGH ACCURACY---The AC frequency meter is of high accuracy of ±2%, helping to provide you reliable data.
  • CLEAR DISPLAY---Made of high quality material, the AC frequency meter is of clear display, exquisite workmanship, long service life, and stable working performance.
  • 5 COLORS---The AC frequency meter is of 5 different colors, red, white, blue, green,yellow, you can choose one according to your preference.
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