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Microphone

Microphone price in Bangladesh 2021

A microphone, colloquially called a mic or mike is a device – a transducer – that converts sound into an electrical signal. Microphones are used in many applications such as telephones, hearing aids, public address systems for concert halls and public events, motion picture production, live and recorded audio engineering, sound recording, two-way radios, megaphones, radio and television broadcasting. They are also used in computers for recording voice, speech recognition, VoIP, and for non-acoustic purposes such as ultrasonic sensors or knock sensors.

Several types of microphone are used today, which employ different methods to convert the air pressure variations of a sound wave to an electrical signal. The most common are the dynamic microphone, which uses a coil of wire suspended in a magnetic field; the condenser microphone, which uses the vibrating diaphragm as a capacitor plate; and the contact microphone, which uses a crystal of piezoelectric material. Microphones typically need to be connected to a preamplifier before the signal can be recorded or reproduced.

History

In order to speak to larger groups of people, a need arose to increase the volume of the human voice. The earliest devices used to achieve this were acoustic megaphones. Some of the first examples, from fifth century BC Greece, were theater masks with horn-shaped mouth openings that acoustically amplified the voice of actors in amphitheaters.In 1665, the English physicist Robert Hooke was the first to experiment with a medium other than air with the invention of the "lovers' telephone" made of stretched wire with a cup attached at each end.In 1861, German inventor Johann Philipp Reis built an early sound transmitter that used a metallic strip attached to a vibrating membrane that would produce intermittent current. Better results were achieved in 1876 with the "liquid transmitter" design in early telephones from Alexander Graham Bell and Elisha Gray – the diaphragm was attached to a conductive rod in an acid solution.These systems, however, gave a very poor sound quality.

The first microphone that enabled proper voice telephony was the carbon microphone. This was independently developed by David Edward Hughes in England and Emile Berliner and Thomas Edison in the US. Although Edison was awarded the first patent (after a long legal dispute) in mid-1877, Hughes had demonstrated his working device in front of many witnesses some years earlier, and most historians credit him with its invention. The carbon microphone is the direct prototype of today's microphones and was critical in the development of telephony, broadcasting and the recording industries.Thomas Edison refined the carbon microphone into his carbon-button transmitter of 1886.This microphone was employed at the first ever radio broadcast, a performance at the New York Metropolitan Opera House in 1910.

Which Microphone we should Buy

When it comes to setting up a home-based project studio, deciding which microphone to buy first can be pretty daunting, not least because of the huge number of models and types available. The good news is that today we have a choice of some extremely good, low-cost microphones, many imported from China or the former Eastern Block, all of which perform significantly better than anything we could afford when home recording first took hold in the late '70s. This strong competition has also resulted in European and US manufacturers launching budget mics, something made possible by the higher volumes of sales generated by the growing project studio market.Each Microphone company has its unique way of doing things, even when they cater to similar needs. That said, some brands stand out among the rest.Here is some brand that we like to suggest you-, FIFINE, HyperX, Thermaltake, Elgato, Logitech, Boya, Maono, Redragon, AVerMedia, Fantech, RAZER.Those Brand provide you the best Microphone of all time.You can get those Product from Techland with the Best Price.
Brand: Boya Model: BY-VG350
  •  Polar Pattern: Super-cardioid
  • Sensitivity:  -36dB±3dB(0dB=1V/Pa,1kHz)
  •  Frequency Response:20Hz-18kHz
  • Signal to Noise Ratio:   78dB
  • 7,200৳
    Brand: Boya Model: BY-LM40
  • Brand Name: BOYA
  • Transducer: Condenser Microphone
  • Certification: CE
  • Communication: Wired
  • 2,300৳
    Brand: Boya Model: BY-BM6040
  • Type:Condenser
  • Polar Pattern: Cardioid
  • Frequency Response: 90Hz-20,000Hz
  • Sensitivity:30±3dB(OdB=1V/)
  • 10,500৳
    Brand: Boya Model: BY-WM8 PRO-K3
  • For Mobile Journalism, Video, Vlog
  • Dual-Channel Wireless Receiver
  • Handheld Mic/Transmitter
  • Cardioid Pickup Pattern
  • 10,000৳
    Brand: Boya Model: BY-BM6060L
  •  Type:Condenser
  •  Polar Pattern: Super-cardioid
  •  Frequency Response: 60Hz-20000Hz
  •  Sensitivity:36±3dB(0dB=1V/[email protected])
  • 10,000৳
    Brand: Boya Model: BY-PM300
  • High-quality
  • Ideal for recording
  • Compatible Smart phones
  • 3.5mm headphone jack
  • 5,000৳
    Brand: Boya Model: BY-GM18CB
  • Acoustic Principle:Condenser
  • Polar Pattern:Cardioid
  • Frequency Response:  50-16000Hz
  • Output Connector: XLR Connector
  • 5,500৳
    Brand: Boya Model: BY-PM700G
  • Triple-capsule design
  • Muting function
  • Durable construction
  • Latency-Free Monitoring
  • 8,500৳
    Brand: Boya Model: BY-PM700R
  • 16 Bit/48 kHz Resolution
  • Muting function
  • Triple-capsule design
  • USB Type-C cable included
  • 8,500৳
    Brand: Boya Model: BY-MM1+
  • Mobile Journalist, Vlogger, Run & Gun
  • For Cameras, Mobile & Recorders
  • Runs on Plug-In Power
  • Simple Operation 
  • 2,300৳
    Brand: ReDragon Model: GM200
  • Mic Unit: Omni-9765
  • Frequency : 50Hz-16kHz
  • Sensitivity: -38±3dB
  • Impedance: ≤2.2kΩ
  • 2,950৳ 3,050৳
    Brand: ReDragon Model: GM300
  • Direction: Unidirectional
  • Sensitivity: -45±3dB
  • Impedance: ≤2.2kΩ
  • Frequency : 20Hz-20kHz 
  • 5,200৳ 5,500৳
    Brand: MAONO Model: AU-100R
  • High-quality condenser
  • Low handling noise
  • Premium aluminum case
  • Built-in rechargeable battery
  • 1,250৳
    Brand: MAONO Model: AU-PM401
  • Cardioid Polar Pattern
  • 16mm Condenser
  • 20Hz-16kHz Frequency 
  • 5V Working Voltage
  • 5,500৳
    Brand: MAONO Model: AU-CM11PL
  • Supercardioid Polar Pattern
  • 50Hz ~ 14KHz Frequency 
  • 3.5mm TRRS connector
  • Noise Ratio 70dB SPL
  • 4,500৳
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