Reviews Noise Meters

Buddhist Scripture in Pali & English Translation for Western Students: 51 Key Dhammapada Verses, Eightfold Path, Metta Sutta

  • 【Long-distance range UHF wireless voice acoustic audio transmission system】EX-938 wireless tour guide system could transmit voice of person speaking to microphone of transmitter to people wearing earphone of receiver,transmission distance is up to 150 meters/492ft(in open area). EXMAX EX-938 voice acoustic transmission equipment helps tour groups/speakers/lecturers/minister/pastor to save the throat and deliver words clearly to audience,overcoming background noise & keep social distancing..
  • 【11 select-able UHF Channels for multi-group 】EXMAX EX-938 UHF-938 wireless audio transmission live interpretation system has 11 select-able UHF Channels allowing at least 5 groups working simultaneously on different channel ID without interference.Two input jacks:AUX is for external audio inputting, such as music playing from CD or MP3 player, MIC is for real-time human voice input,such as teaching, training, touring,translation etc. You couldn't mix up the two jacks, or you will get noise..
  • 【Easy Operation】On each group,one transmitter can transmit to multiple receivers within the operating range so long as on the same frequency ID.Low-power consumptio....
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Jabra 100-98300000-02 Halo Smart Wireless Bluetooth Headset, Black

  • 10 millimeter speakers deliver exceptional, full spectrum audio.
  • Wind noise reduction, noise cancellation and water resistant IP54 rating.
  • Magnets in earbuds to hold together or onto neckband for a tangle free experience.
  • Bendable Flex zones built into the neckband provide comfortable and secure fit.
  • Industry leading 17 hrs. Talk time / 15 hrs. Music playback,Bluetooth Version: 4.0,Talk range: up to 10 meters (33 feet).
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EXMAX UHF-938 UHF Acoustic Transmission Wireless Headset Microphone Audio Tour Guide System for Church Translation Teaching Travel Simultaneous Interpretation Tour (1 Transmitter and 20 Receivers)

  • ...HF wireless voice acoustic audio transmission system】EXMAX EX-938 wireless headset microphone tour guide simultaneous interpretation church translation system could transmit the voice of who speaks to the microphone of transmitter to the people who wear earphone of the receivers,transmission distance is about 150 meters/492ft.This EX-938 voice acoustic transmission equipment helps tour groups/speakers/lecturers/minister overcome background noise and keep social distancing..
  • 【11 select-able UHF Channels all multigroup working】11 select-able UHF Channels allow at least 5 groups working simultaneously on different channel ID without interference.Each group uses unique Channel ID and different groups uses different Channel ID.One EX-938T transmitter could pair with many many EX-938R receivers within working distance so long as they are on the same Channel ID. PLL frequency synthesized technology ensures stable and reliable voice transmission performance..
  • 【Easy Operation】AA batteries as power supply,low power consumption design for long working time over 15 hrs,easy operation on battery replacement,no built-in battery makes it conveniently to be taken on flight.EX-938T transmitter has two input jacks, AUX and MIC,AUX is for external audio in....
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SMH5 Helmet Clamp Set

  • Long-range music sharing and intercom for motorcyclists--up to 900 meters (980 yards).
  • Bluetooth 3.0 connectivity to listen to and share music, make phone calls with speed dialing, and participate in a four-way intercom conversation.
  • Advanced Noise Control technology cuts down on background noise for both incoming and outgoing audio.Do not use harsh chemicals,cleaning solvents, or strong detergents to clean the device.
  • Up to 12 hours of talk time and 10 days of stand-by time on a single charge.
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Universal Compact Bench Power Supply- 30 Amp Regulated Home Lab Benchtop AC-to-DC Converter 13.8 Volt Cooling Fan Screw Type Terminals - Jesverty SPS-30II

  • 【Voltage Control】The output voltage is continuously adjustable from 9V to 15V or set at a fixed 13.8V. The Noise Offset Circuit moves unwanted switching noise to another frequency..
  • 【Screw-type main terminals】The main output terminals ensure easy compatibility with all DC-powered devices and are large enough to provide an efficient power transfer to your equipment..
  • 【Auxiliary Output Terminals】2 pairs of auxiliary snap-in terminals and a cigarette lighter socket on the front panel for added convenience..
  • 【Analog V/A Meters】Highly visible V/A twin meters for real-time monitoring of the status..
  • 【Forced Air Cooling Fan & Protection】A built-in cooling fan that prevents overheating and keeps the unit running continuously under heavy loads. Advanced short circuit protection and automatic current limiting ensure the safety of operators and any connected electrical equipment..
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Motorcycle Bluetooth Intercom, Fodsports M1S Pro 2000m 8 Riders Group Motorbike Helmet Communication System Headset Universal Wireless Interphone (Waterproof/Handsfree/Stereo Music/GPS/2 Mic)

  • 【2000M Maximum Distance】M1S Pro is equipped with Bluetooth 5.0 version, It has high compatibility and stability. If there are no obstacles such as buildings in a straight line, the motorcycle helmet intercom maximum communication distance of the group is about 2000 meters, the maximum effective communication distance between two motorcycles is about 500 meters, both can speak with clear sound quality..
  • 【Support 8 Riders Group Intercom】Full duplex call for group motorcycle headsets system, Support for multiple people simultaneous call. With M1-S headsets, you can ensure hands-free security and convenience, listen to music, retrieve GPS routes, and receive voice commands wirelessly via Bluetooth, let you enjoy racing fun..
  • 【Crystal-Clear Sound Quality & Handsfree】This helmet headset intercom uses high sound quality full-range membrane monomer. The M1-S Pro has high definition sound quality, especially for the bass has a high reproducibility. M1-S Pro has handsfree function, the factory setting defaults to manual answering, Switch manual/automatic answering calls: While in standby, press and hold the intercom button and volume “+ ”“- ”button at the same time for 3 seconds, you can set it to your liking..
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Atomizing Fan Humidifier Spray Industrial Refrigeration Air Conditioning Water-Cooled Vertical Circulation Fan Plus Water Standing Fan

  • ★ All copper motor, centrifugal spray, low noise atomization and cooling..
  • ★ Strong wind power, three-speed adjustment, applicable range of 30-50 square meters..
  • ★ Fine atomization, atomized particles less than 10um, spray distance 2-10 meters..
  • ★ Up and down 30° adjustment, wide angle air supply, keep every corner of the room cool..
  • ★ Mobile design with pulley on the bottom and fan and sprayer designed independently..
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Motorcycle Bluetooth Intercom, Fodsports M1S Pro 2000m 8 Riders Group Motorbike Helmet Communication System Headset Universal Wireless Interphone (Waterproof/Handsfree/Stereo Music/GPS/2 Pack)

  • 【2000M Maximum Distance】M1S Pro is equipped with Bluetooth 5.0 version, It has high compatibility and stability. If there are no obstacles such as buildings in a straight line, the motorcycle helmet intercom maximum communication distance of the group is about 2000 meters, the maximum effective communication distance between two motorcycles is about 500 meters, both can speak with clear sound quality..
  • 【Support 8 Riders Group Intercom】Full duplex call for group motorcycle headsets system, Support for multiple people simultaneous call. With M1-S headsets, you can ensure hands-free security and convenience, listen to music, retrieve GPS routes, and receive voice commands wirelessly via Bluetooth, let you enjoy racing fun..
  • 【Crystal-Clear Sound Quality & Handsfree】This helmet headset intercom uses high sound quality full-range membrane monomer. The M1-S Pro has high definition sound quality, especially for the bass has a high reproducibility. M1-S Pro has handsfree function, the factory setting defaults to manual answering, Switch manual/automatic answering calls: While in standby, press and hold the intercom button and volume “+ ”“- ”button at the same time for 3 seconds, you can set it to your liking..
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Rockville REQ20 19 Pro Rack Mount Dual 10-Band Graphic Equalizer EQ+VU Meters

  • Package Includes: (1) Rockville REQ20 19" Rack Mount Pro Dual 10 Band Graphic Equalizer EQ w/VU Meters, (1) Rockville RCDR10B 10' Dual RCA to Dual RCA....
  • Features Of REQ20: Dual 10 Band Graphic Equalizer (20 Bands Total), Frequency Response: 20Hz - 20KHz, Dual VU Meters Level Monitor, Blue LED on each....
  • Vacuum Fluorescent Display, Bass/Midrange/High EQ Controls, Separate Left/Right Channel Volume gain control, Signal to Noise Ratio: >88dB, Input....
  • Features of RCDR10B: Rockville RCDR10B Black Dual Mono Right Angle RCA to Straight RCA Patch Cable, Dual RCA to Dual RCA, Nickel-Plated for Rugged....
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weishan Coiled Audio Cable Replacement for Bose QC45(QuietComfort 45) / QC35 / QC25 / NC700 Headphones, 2.5mm to 3.5mm(1/8”) Extension Aux Cord 4ft to 14ft

  • Compatible with Bose QuietComfort 45 / 35 / 35 ii / 25 - QC45 / QC35 / QC35 II / QC25, Noise Cancelling 700 - NC700, On-Ear 2 / OE2 / OE2i, Soundlink / SoundTrue - wireless headphones / gaming headsets.
  • Coiled cable, in normal 1.2 meters (4 feet), can be extended to 4.5 meters (14 feet), wire diameter is 2.5mm. Collection easily, stretchable and extendable.
  • 2.5mm 3 poles (TRS) male plug to 3.5mm(1/8") 3 poles (TRS) male jack with 6.35mm(1/4") screw-on adapter. Gold-plated tips, twisted lock design, antidrop, ensures the high quality stereo sound, supports 7.1 surround atmosphere with less noise.
  • Cooper inside and PVC outside, durable wire for durability using and abrasion, corrosion resistance.
  • Widely works on PS4, PS5, Switch, Xbox One, Xbox X/S, MP3 players, Laptops, PCs, Cellphones, Tablets, Home Theaters, Speakers, Amplifiers and other devices with 3.5mm port or 6.35mm port interface.
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