Microphone amplifier

Blackstar Electric Guitar Mini Amplifier. 5.0. Check Amazon Price. Check Sweetwater Price. This tiny, 3-watt amp from Blackstar is one of the best around. Despite having dimensions of 7.59” by 5.59” by 4.29”, it packs quite the punch for such a little unit. Best of the Best. Zoweetek. Rechargeable Mini Voice Amplifier. Check Price. Feature-Packed. Gets the job done in small spaces and blends in with attire. We love the sound coverage, which reaches up to 10,000 feet. Clean, crisp sound with no distortion. Comes with a comfortable headset and waistband for convenient use. Roland KC-600 - 200W 15” Keyboard Amp. This Roland amplifier is designed predominantly for keyboardists, but it also doubles up as a highly capable vocal amp. With extensive connectivity options and a roadworthy design, it’s suitable for singers who frequently gig or rehearse. Check price.Rodyweil Microphone Preamp Mic Gain Booster with 2 Input Max 75db Gain 48V Phantom Power XLR Output for Dynamic and Condenser Mic. 53. 1 offer from $99.99. #5. Klark Teknik MIC BOOSTER CT 1 Compact Dynamic Microphone Booster with Preamp. 314. 7 offers from $35.42. #6. Triton Audio FetHead in-Line Microphone Preamp.The amplifier IC we will use in this circuit is the popular LM386 IC. This is a low-power audio amplifier Chip. We explain in detail how to use this chip. Components Needed for Microphone Amplifier Circuit. A Microphone; 6 Volts of power (either from 4 'AA' batteries or a DC power supply) 2KΩ-6KΩ resistor (depending on the microphone in use ... Portable Voice Amplifier for Teachers, 2200mAh Rechargeable Personal Amplifier Mic PA System Headset Microphone with Speaker for Teachers, Training, Meeting, Tour Guide, Yoga, Classroom (Black) 192. 100+ bought in past month. $2299. FREE delivery Fri, Feb 9 on $35 of items shipped by Amazon. Or fastest delivery Wed, Feb 7. Pyle 1000W Bluetooth Home Theater Karaoke Receiver - 5.2-Ch Stereo Amplifier 2 UHF Wireless Microphone Video Pass-Through Supports, MP3/USB/HDMI/AM/FM Radio - Pyle PT888BTWM , Black. 276. 50+ bought in past month. $19882. Typical: $230.40. FREE delivery Sat, May 4. Or fastest delivery Fri, May 3.Logitech for Creators Blue Yeti USB Microphone for PC, Podcast, Gaming, Streaming, Studio, Computer Mic - Whiteout. $ 129.99 (6 Offers) Free Shipping. Compare. (12) Blue Yeti Nano Premium USB Microphone for PC, Mac, Gaming, Recording, Streaming, Podcasting, Condenser Mic with Blue VO!CE Effects, Cardioid and Omni, No-Latency Monitoring - Blackout.

Nefficar Wireless Voice Amplifier - Bluetooth Speaker with Microphone for Teachers – Portable Classroom Mic for Classes, Events, Workshops, Seminars. 814. 50+ bought in past month. ₹5,999. M.R.P: ₹7,999. (25% off) Save ₹500 with coupon. Get it by Tomorrow, 4 April. FREE Delivery by Amazon.This item: Pyle Wireless Microphone Power Amplifier System - 200W Dual Channel Sound Audio Stereo Karaoke Speaker Receiver w/USB, AUX, Microphone in w/Echo, Radio,Home Theater via RCA, Studio Use PDA8BUWM.5 . $107.99 $ 107. 99. Get it as soon as Tuesday, May 21. In Stock.Find microphone amps for different purposes and budgets on Amazon.com. Compare prices, ratings, features and reviews of over 4,000 results for "microphone amp".Jul 10, 2020 ... Working Explanation. The operating voltage of this circuit is 9-12V, this circuit is very easy to construct with only a few external components.This circuit uses an op amp in a transimpedance amplifier configuration to convert the output current from an electret capsule microphone into an output voltage. The common mode voltage of this circuit is constant and set to mid–supply eliminating any input–stage cross over distortion. C3 15p Vcc. Vcc. V3 5.

Jan 7, 2023 · Beyerdynamic M160. 4.3. CLICK HERE FOR PRICE. Beyerdynamic’s microphone is the perfect companion for anyone that is looking for a trusty, guitar amp mic. Being listed in the Top 10 of Amazon’s ribbon mic category, there are a few reasons as to why customers have been ranking this mic up so high in the scale. Logitech - Yeti Studio Supercardioid Active Dynamic XLR Broadcast Microphone for Gaming. Color: Black. Model: 988-000563. SKU: 6577195. Not Yet Reviewed. $314.99. Save $35. Was $349.99. The board comes with a 20-20KHz electret microphone soldered on ; Using the MAX4466, an op-amp specifically designed for amplifier ; For the best performance, use the "quietest" supply available (on an for Arduino, this would be the 3.3V supply) The amplifier has excellent power supply noise rejectionSep 7, 2023 ... Overview of the Mic Preamp Schematic. The mic preamp schematic posted here uses the capabilities of a high-gain operational amplifier, the LM385 ...

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Microphone Preamplifiers Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias MAX9813HEKA+T Analog Devices / Maxim IntegratedBlackstar Sonnet 60 - 60-watt 1x 6.5" Combo Amp - Blonde. 60-watt, 1x6.5" Acoustic Guitar Combo Amplifier with Mic/Instrument Inputs, Polarity Reverse Function, 3-band/2-band EQs with Shape Buttons, Highpass Filter, Brilliance Control, 2 Reverbs, USB/XLR Outputs, Line Input/Bluetooth, and Tilt-back Stand - Blonde. $ 299.99.Jan 20, 2017 ... The INA217 features differential input, low noise, and low distortion that provides superior performance in professional microphone amplifier ...NORWII Mini Voice Amplifier Microphone Headset, 3 Hours Quick Charging and up to 30 Hours Play, Personal Voice Amplifier Portable Speaker Mic for Teachers, Training, Tour Guide, etc (Black) 66. $2299. FREE delivery Thu, Dec 7 on $35 of items shipped by Amazon.Learn what a microphone preamp does, when you need one, and how to choose one. Find out the difference between preamps, audio interfaces, and mixers, and the best options for your recording setup.

Apr 9, 2024 · Best mid-range stereo amplifier. Naim’s Nait XS 3 remains one of the most musically enticing options at this more serious level. Read more below. Best premium. 5. Rega Aethos. Check Amazon. Best premium stereo amplifier. The Rega Aethos delivers an exceptional combination of insight, dynamics and rhythmic precision. Transistor Microphone Amplifier: This article shows you how to make a transistor microphone amplifier. The minimum power supply for this circuit is 1.5 V. However, you will need at least 3 V if you are making an optional LED detector circuit (transistor Q3) and want your LED to tur…The RU-2002 is a microphone amplifier for the PM-660D Paging Microphone with a remote control switch and a 5-pin DIN socket. The power of the PM-660D's internal power amplifiers, and globalspeaker output can be remotely controlled from the RU-2002. The RU-2002 has an internal chime unit.A CB radio linear amplifier is an essential tool for enhancing the power and range of your CB radio. It allows you to transmit your signal over long distances, making it a popular ...Mar 1, 2021 · This item: Voice Amplifier, Portable Microphone Speaker, Teacher Classroom Microphone, Bluetooth Headset Microphone Amplifier for Meeting Tour Guides $34.99 $ 34 . 99 Get it as soon as Sunday, May 19 Microphone Preamplifiers Microphone Amplifier with AGC and Low-Noise Microphone Bias +2 images MAX9814ETD+T; Analog Devices / Maxim Integrated; 1: $2.27; 18,752 In Stock; Mfr. Part # MAX9814ETD+T. Mouser Part # 700-MAX9814ETDT. Analog Devices / Maxim Integrated ...Download the APK of Microphone Amplifier for Android for free. Adjust the volume of your microphone and record everything. Android / Tools / General / Microphone Amplifier. Microphone Amplifier. 1.6.2. Mobile Apps Studio. 5. 1 reviews . 12.5 k downloads. Adjust the volume of your microphone and record everything. Advertisement .Headphone Amplifiers. Power Amplifiers. Mixer Amplifiers. Accessories » Testing. New Products. DB425 4 Channel DI. Eight Channel RM89 Professional Mic / Line Mixer. …This frequency with a 20Hz -20KHz electret microphone soldered on. the Maxim MAX4466, an op-amp designed for delicate . The MAX4466 has excellent noise ...Cloud Microphones - Cloudlifter 1.0-Ch. Microphone Amplifier - Blue/White. User rating, 4.9 out of 5 stars with 10 reviews. (10) $149.00 Your price for this item is $149.00. Gemini - XGA-2000 Professional Power Amplifier - Black. User rating, 4 …Microphone preamps are external boxes that amplify weak, low-level microphone signals to line-level so that they can be adequately processed for recording. Many audio interfaces—the ones with an XLR input for your mic—feature built-in mic preamps, but these are often included by necessity and won't compare to a dedicated external preamp designed for the purpose. The mic amplifier feature will boost the volume level of your microphone even further. This feature allows you to use a much higher quality microphone when you are recording. There are also several different types of recording media that you can use with Kazi Sound Recorder including MP3, WAV, and CD audio files.

Based on the classic 1484 Silvertone Twin Twelve amp, Jackson Audio’s team took the exact amp schematic and built a stomp pedal, replacing vacuum tubes …

The WiiM Amp Pro ($369) is a step-up version of the WiiM Amp but with upgraded components and advanced signal processing for improved audio quality and …Sound sensors work by detecting differences in air pressure and transforming them into electrical signals. Sound sensors such as microphones usually have built-in amplifiers that i...Electret microphone amplifier circuit schematic 3 low noise preamplifier using ne5532 lf356 tl071 op amp preamp diy jfet mic pre and beyond tape magazine longform candid interviews with music producers audio engineers covering mixing mastering recording production ne5534 ic balanced 4558 easyeda open source hardware lab …Wiring. Connect the amplifier, battery pack and headphone jack as shown above. For the Microphone amp: GND connects to the battery pack ground - black wire. VDD connects to the battery pack positive - red wire. Connect the Gain pin to VDD for now - green wire. Connect the OUT pin to a 1uF-100uF capacitor (really any value will do).... microphone amplifier with automatic gain control (AGC) and low-noise microphone bias. The device features a low-noise preamplifier, variable gain amplifier (TONOR Wireless Microphone, UHF Dual Handheld Metal Multipurpose Dynamic Singing Mic System with Rechargeable Receiver, for with Mic Input Pa System, Mixer, Voice Amplifier, 200ft (TW630), Black &Red 4.5 out of 5 stars 3,433The heart of the mic amplifier circuit is an op-amp LM324 which is quad op-amp moulded in single IC. We are going to use one of them for our project. Readers can try different op-amp such as IC 741 etc or IC LM321. Microphone is a device which converts sound waves into electrical signals. But the raw electrical signal from the microphone is …Passive ribbon mics (those without built-in amplifiers) will require additional clean gain from the microphone preamplifier to achieve the same level at the output of the preamp. Sensitivity ratings are generally given as dBV/Pa (decibels relative to 1 volt per Pascal) or mV/Pa (millivolts per Pascal).This fancy microphone amplifier module is a step above the rest, with built in automatic gain control. The AGC in the amplifier means that nearby 'loud' sounds will be quieted so they don't overwhelm & 'clip' the amplifier, and even quiet, far-away sounds will be amplified. This amplifier is great for when you want to record or detect audio in a …

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Cloud Microphones - Cloudlifter 1.0-Ch. Microphone Amplifier - Blue/White. User rating, 4.9 out of 5 stars with 10 reviews. (10) $149.00 Your price for this item is ... NORWII Mini Voice Amplifier Microphone Headset, 3 Hours Quick Charging and up to 30 Hours Play, Personal Voice Amplifier Portable Speaker Mic for Teachers, Training, Tour Guide, etc (Black) 71. $1899. Typical: $21.99. FREE delivery Mon, Jan 22 on $35 of items shipped by Amazon.AK45 Stereo Audio Amplifier,300W Home 2 Channel Wireless Bluetooth 5.0 Power Amplifier System, Home Amplifiers FM Radio, USB, SD Card, with Remote Control Home Theater Audio Stereo System. 4.2 out of 5 stars. 888. 2K+ bought in past month. $36.99 $ 36. 99. FREE delivery Tue, May 21 .Microphone Amplifier, 2.7V to 5.5V Supply, 1mA Out, 40dB / 50dB / 60dB Gain, TDFN-14. ANALOG DEVICES. The MAX9814ETD+T is a high-quality Microphone Amplifier IC with automatic gain control (AGC) and low-noise microphone bias. The device features a low-noise preamplifier, variable gain amplifier (VGA), output amplifier, microphone-bias …Apr 28, 2022 · Voice Amplifier with Lapel Microphone/Microphone Headset-18W Waterproof Megaphone Speaker Pa System with 2 Mics, Bluetooth 5.0 Portable Microphone and Speaker for Teachers Elderly Tour Guide 800Plus 4.3 out of 5 stars 50 Premium lavalier microphone with in-line amplifier provides clear, high-output audio. Omnidirectional condenser design delivers detail and warmth. Clip-on in-line amplifier provides high level output for higher quality audio and less noise. Adjustable gain on the amplifier allows for precise level control. Perfect for both smartphones and DSLRs.You will hear a sound after running the simulation for 2 seconds.For crystal-clear audio at affordable pricing, the Hollyland Lark C1 can be a suitable option. It is specifically designed for Android mobiles and iPhones, and it captures impeccable audio that, when used with an amplifier app, creates amazing auditory vibes. Hollyland Lark C1.• Microphone: Access to the microphone will allow Sound Amplifier to process the audio for amplification and filtering. No data is collected or stored. • Accessibility Service: Since this app is an accessibility service, it can observe your actions, retrieve window content, and observe text that you type. ….

Jan 7, 2023 · Beyerdynamic M160. 4.3. CLICK HERE FOR PRICE. Beyerdynamic’s microphone is the perfect companion for anyone that is looking for a trusty, guitar amp mic. Being listed in the Top 10 of Amazon’s ribbon mic category, there are a few reasons as to why customers have been ranking this mic up so high in the scale. Portable Voice Amplifier for Teachers, 2200mAh Rechargeable Personal Amplifier Mic PA System Headset Microphone with Speaker for Teachers, Training, Meeting, Tour Guide, Yoga, Classroom (Rose) 218. 100+ bought in past month. $2399. Join Prime to buy this item at $19.43.Sound waves move a microphone diaphragm back and forth, and the microphone translates this movement into an electrical signal. The electrical signal fluctuates to represent the compressions and rarefactions of the sound wave.; A recorder encodes this electrical signal as a pattern in some sort of medium -- as magnetic impulses on tape, for …PORTABLE AND POWERFUL: This Black Portable Speaker Amplifier & Microphone System by Pyle is equipped with the 80-watt speaker for full-range stereo sound reproduction. The case has a handle and a storage bag for portability and Audio File Compatibility ; COMPACT AND VERSATILE: This compact device is also equipped with …Apr 23, 2024 · About this app. Microphone Amplifier lets you use your microphone as a sound amplifier and audio recorder to help you hear speech, conversations, TV, lectures and sounds from your surroundings more clearly. With Microphone Amplifier, you can use the microphone to amplify sound and route audio from mic to speaker or mic to headphones. Yamaha - AVENTAGE RX-A2A 100W 7.2-Channel AV Receiver with 8K HDMI and MusicCast - Black. (236) $999.95. Yamaha - AVENTAGE RX-A4A 110W 7.2-Channel AV Receiver with 8K HDMI and MusicCast - Black. (123) $1,299.95. Denon - AVR-S970H 90W 7 Ch Bluetooth Capable HDR Compatible with HEOS and Dolby Atmos 8K Ultra HD AV Home Theater Receiver - Black. (252)TONOR Wireless Microphone, UHF Dual Handheld Metal Multipurpose Dynamic Singing Mic System with Rechargeable Receiver, for with Mic Input Pa System, Mixer, Voice Amplifier, 200ft (TW630), Black &Red 4.5 out of 5 stars 3,433Aug 20, 2013 ... Your best bet is to get an SM58 for a microphone, it's the standard workhorse vocals mic, very durable and can easily be obtained for under the ... Microphone amplifier, This item: Pyle Wireless Microphone Power Amplifier System - 200W Dual Channel Sound Audio Stereo Karaoke Speaker Receiver w/USB, AUX, Microphone in w/Echo, Radio,Home Theater via RCA, Studio Use PDA8BUWM.5 . $107.99 $ 107. 99. Get it as soon as Tuesday, May 21. In Stock., Best mid-range stereo amplifier. Naim’s Nait XS 3 remains one of the most musically enticing options at this more serious level. Read more below. Best premium. 5. Rega Aethos. Check Amazon. Best premium stereo amplifier. The Rega Aethos delivers an exceptional combination of insight, dynamics and rhythmic precision., The WiiM Amp Pro ($369) is a step-up version of the WiiM Amp but with upgraded components and advanced signal processing for improved audio quality and …, Find microphone amps for different purposes and budgets on Amazon.com. Compare prices, ratings, features and reviews of over 4,000 results for "microphone amp"., 220W 4-channel Stereo Amplifier with Class G Power, 5 x Analog In, 4 x Digital In, 3.5mm Stereo Aux, Ground Connection, Ethernet, IP Control, Dirac Live, Calibration Microphone, and Wireless Connectivity. $3,000.00. Bundle Savings Available! Compare. , A free program for Android, by Ronasoft Media. Microphone Amplifier is a way to improve hearing for people with hearing loss. It lets you use your smartphone as a hearing aid device, allowing you to listen to everyday conversations more easily, such as when you talk with family or friends. The app detects the audio from the microphone ..., The kit is basically a knocked-down unfinished $200 Chinese tube mic. Your E-MU 0404 has line inputs. You'll need a mic preamp between the mic and 0404 if you use a standard tube condenser microphone circuit, including the kit mic circuit. There is a lot of DIY mic and mic pre action on Prodigy Pro DIY:, Loudbox Micro packs 40 watts of clean acoustic power into a lunchbox-sized acoustic combo. A sealed cabinet design paired with a bi-amplified driver configuration generates rich, full tone from your acoustic instruments. It features a dedicated microphone channel plus an instrument channel with Fishman’s legendary preamp and tone control design., Speaker and amplifier Set 10" speaker with amplifier 600watts with bluetooth/USB input free mic. ₱6,299. Promac Speaker SPK-80 8 inch with amplifier with built in equalizer with bluetooth/FM/USB. ₱4,998. (FREE USB with songs) Homevision HV-208 speaker and amplifier system with dual wireless microphone. ₱3,898., The mic amplifier feature will boost the volume level of your microphone even further. This feature allows you to use a much higher quality microphone when you are recording. There are also several different types of recording media that you can use with Kazi Sound Recorder including MP3, WAV, and CD audio files. , Roland KC-600 - 200W 15” Keyboard Amp Review. The Roland KC-600 has four individual channels, making it one of the most versatile amps featured on this list. It also has an XLR input specifically for vocals and is easy to integrate into a PA system. The only potential drawback of this 200-watt powerhouse is its weight., Yamaha - AVENTAGE RX-A2A 100W 7.2-Channel AV Receiver with 8K HDMI and MusicCast - Black. (236) $999.95. Yamaha - AVENTAGE RX-A4A 110W 7.2-Channel AV Receiver with 8K HDMI and MusicCast - Black. (123) $1,299.95. Denon - AVR-S970H 90W 7 Ch Bluetooth Capable HDR Compatible with HEOS and Dolby Atmos 8K Ultra HD AV Home Theater Receiver - Black. (252) , For crystal-clear audio at affordable pricing, the Hollyland Lark C1 can be a suitable option. It is specifically designed for Android mobiles and iPhones, and it captures impeccable audio that, when used with an amplifier app, creates amazing auditory vibes. Hollyland Lark C1., At steady state, electret mic has resistant about 1K ohm gave us 0.4545 volt with 10K pull-up. Op-amp in this configulation work as inverting amplifier with 2.5V as virtual ground. The inverting input will has same voltage as the non-inverting which equals to 2.5V, Adafruit Industries, Unique & fun DIY electronics and kits Electret Microphone Amplifier - MAX9814 with Auto Gain Control : ID 1713 - Add an ear to your project with this well-designed electret microphone amplifier with AGC. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on., Facmogu BT-298 Pro 2 Channel Stereo Audio Amplifier Receiver, Max 400Wx2 Wireless Bluetooth 5.0 Power Amplifier, Bass Treble Sound Speaker AMP for Home Speakers, w/RCA, USB, SD, MIC in, FM Radio. dummy., Weewooday 10 Pieces Electret Microphone Amplifier Adjustable MAX4466 Module Microphone Preamplifier Blue Breakout Board Compatible with Arduino 4.4 out of 5 stars 40 1 offer from $12.99, The KY-038 sound sensor module consists of capacitance sensitive microphone (50Hz-10kHz) and an amplification circuit. The module converts sound waves to electrical signals. It detects the sound with the help of a microphone and then feeds this sound to processing circuitry which consists of an operational amplifier LM393., In today’s digital age, it’s easy to overlook the power of traditional advertising methods. While online advertisements and social media campaigns have their place, there’s somethi..., This item: Pyle Wireless Microphone Power Amplifier System - 200W Dual Channel Sound Audio Stereo Karaoke Speaker Receiver w/USB, AUX, Microphone in w/Echo, Radio,Home Theater via RCA, Studio Use PDA8BUWM.5 . $107.99 $ 107. 99. Get it as soon as Tuesday, May 21. In Stock., EMA40 embedding microphone amplifier. This quad mono or dual stereo DSP controlled microphone amplifier is perfect for 'piggy backing' remote audio onto HD-SDI video. Simply plug this unit in series with the video stream. The four mic channels are assigned to channels 1-4. Features of the unit are similar to the CMA20, each mic amp has a gain ..., In today’s digital age, crowdfunding has become an immensely popular way for individuals and organizations to raise funds for various causes. One of the most widely used platforms ..., Voice Amplifier with Lapel Microphone/Microphone Headset-18W Waterproof Megaphone Speaker Pa System with 2 Mics, Bluetooth 5.0 Portable Microphone and Speaker for Teachers Elderly Tour Guide 800Plus 4.4 out of 5 stars 49, Best mid-range stereo amplifier. Naim’s Nait XS 3 remains one of the most musically enticing options at this more serious level. Read more below. Best premium. 5. Rega Aethos. Check Amazon. Best premium stereo amplifier. The Rega Aethos delivers an exceptional combination of insight, dynamics and rhythmic precision., EMA40 embedding microphone amplifier. This quad mono or dual stereo DSP controlled microphone amplifier is perfect for 'piggy backing' remote audio onto HD-SDI video. Simply plug this unit in series with the video stream. The four mic channels are assigned to channels 1-4. Features of the unit are similar to the CMA20, each mic amp has a gain ..., Our product lineup includes a range of tube and solid-state amplifiers, preamps, signal processors, and amp accessories, specifically designed for keyboard players. Whether …, Roland KC-600 - 200W 15” Keyboard Amp Review. The Roland KC-600 has four individual channels, making it one of the most versatile amps featured on this list. It also has an XLR input specifically for vocals and is easy to integrate into a PA system. The only potential drawback of this 200-watt powerhouse is its weight., NORWII Mini Voice Amplifier Microphone Headset, 3 Hours Quick Charging and up to 30 Hours Play, Personal Voice Amplifier Portable Speaker Mic for Teachers, Training, Tour Guide, etc (Black) 66. $2299. FREE delivery Thu, Dec 7 on $35 of items shipped by Amazon., An audio amplifier might work better with some sound frequencies than others; the range of frequencies over which it works satisfactorily is called its bandwidth. Ideally, it has to produce a reasonably flat response or linear response with a wide range of different input signals (so the gain is pretty much constant across a range of frequencies)., Pyle 1000W Bluetooth Home Theater Karaoke Receiver - 5.2-Ch Stereo Amplifier 2 UHF Wireless Microphone Video Pass-Through Supports, MP3/USB/HDMI/AM/FM Radio - Pyle PT888BTWM , Black. 276. 50+ bought in past month. $19882. Typical: $230.40. FREE delivery Sat, May 4. Or fastest delivery Fri, May 3. , Intended for 9 volt battery supply and to be placed CLOSE to electret mic capsule. This way raise the signal ( 40dB ) and so stay clear from noise level in mic cable. Inverting amplifier. Supply current 4.98 mA at 9.0 Volt. Gain -40 dB ( = x100 ) 1 mV RMS in gives 100 mV RMS out, into 10 kohm load., Download the APK of Microphone Amplifier for Android for free. Adjust the volume of your microphone and record everything. Android / Tools / General / Microphone Amplifier. Microphone Amplifier. 1.6.2. Mobile Apps Studio. 5. 1 reviews . 12.5 k downloads. Adjust the volume of your microphone and record everything. Advertisement ., 4. SHIDU Bluetooth Voice Amplifier. SHIDU Bluetooth Voice Amplifier is a waterproof portable personal amplification system with a power of 18W. It’s great for swimming lessons, obviously, as well as for at the beach or other outdoor venues where rain is expected.