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Best 4 Digital Amplifier

Isolation Amplifiers 4.5 - 5.5 SV 8 dB (10 pieces)

  • 【QUALITY GUARANTEE】The Digital Audio Amplifier Power Module is made by a professional manufacturer and has undergone multiple tests. It has a very good quality guarantee and a 100% brand new high-quality brand..
  • 【HAVE A DIGITAL CHIP】The Digital Audio Amplifier Power Module is equipped with PAM8403 digital chip, which is a small digital amplifier chip, which can highlight the advantages of digital chip and bring you a good experience..
  • 【POWERFUL FUNCTIONS】The circuit of the Digital Audio Amplifier Power Module adopts reasonable configuration, the power filter is upgraded to 470 uf, and with 1.6 mm glass fiber board, it has excellent performance and powerful functions..
  • 【HI-FI SOUND QUALITY】The Digital Audio Amplifier Power Module outputs 3 w + 3 w high-fidelity sound quality, which can restore the most realistic scenes and bring you a good experience. It is a rare good choice for you.
  • 【THE ANTI-METER BODY】The Digital Audio Amplifier Power Module adopts the original anti-meter body, and the potentiometer with counterclockwise switch can directly cut off the power supply. It is safe and you can buy it with confidence..
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Digital Hearing Amplifiers - (Set of 2) Mini ITE in-The-Ear Rechargeable Personal Sound Amplifier

  • 【COMPLETE SET1 2 - DIGITAL AMPLIFIERS】Theres no better way to instantly experience sound as it was intended and enjoy the fullest of life! With the MEDca digital in-ear canal hearing amplifier you'll be able to comfortably and effectively be able to hear loud and clear. With MEDca you can now get your freedom and life back with our discreet digital hearing amplifiers.
  • 【STOP BUYING REPLACEMENT BATTERIES TODAY】This hearing amplifier is rechargeable so there is no need to keep buying replacement batteries. Each order comes complete with 2 amplifiers, 2 charging adapters, 2 protecting and carrying cases 2 straps, 4 amplifier cleaning tools, 10 ear tips, 1 owner's manual.
  • 【TOP NOTCH SOUND QUALITY】Designed by audiologists and outfitted with the latest digital technology these hearing amplifiers offer you Top-Grade Sophistication and Performance. The Hearing Amplifiers have digital Noise Cancellation and Feedback Reduction features that allow them to deliver powerful crisp, clear sound without any annoying feedback or whistling..
  • 【EASY TO USE! NO PROGRAMMING REQUIRED】These hearing amplifiers work hassle f....
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Amor por el café: El libro del café y su gastronomía (Spanish Edition)

  • 【COMPLETE SET1 2 - DIGITAL AMPLIFIERS】Theres no better way to instantly experience sound as it was intended and enjoy the fullest of life! With the MEDca digital in-ear canal hearing amplifier you'll be able to comfortably and effectively be able to hear loud and clear. With MEDca you can now get your freedom and life back with our discreet digital hearing amplifiers.
  • 【STOP BUYING REPLACEMENT BATTERIES TODAY】This hearing amplifier is rechargeable so there is no need to keep buying replacement batteries. Each order comes complete with 2 amplifiers, 2 charging adapters, 2 protecting and carrying cases 2 straps, 4 amplifier cleaning tools, 10 ear tips, 1 owner's manual.
  • 【TOP NOTCH SOUND QUALITY】Designed by audiologists and outfitted with the latest digital technology these hearing amplifiers offer you Top-Grade Sophistication and Performance. The Hearing Amplifiers have digital Noise Cancellation and Feedback Reduction features that allow them to deliver powerful crisp, clear sound without any annoying feedback or whistling..
  • 【EASY TO USE! NO PROGRAMMING REQUIRED】These hearing amplifiers work hassle f....
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Rockville RPA70WBT V2 1000w 2-Ch USB Bluetooth Karaoke Amplifier/Mixer+ 2 Mics

  • Rockville RPA70WBT 19" 1000 Watt 2-Channel USB and Bluetooth Karaoke Receiver/Amplifier/Mixer with 2 Wireless Microphones..
  • 19" rack mountable (removable rack brackets) digital hybrid amplifier/receiver. RMS Power @ 4 Ohms: 125w x 2. Peak Power @ 4 Ohms: 500w x 2. RMS Power....
  • THD: > 0.1%. Input Sensitivity: 400mv/33 KOhm. Frequency Response: 20 Hz - 20 kHz. Signal to Noise Ratio: 80 dB. Tone Characteristic: 100Hz-10KHz....
  • Rear Inputs: RCA, Optical, Coaxial . Rear Outputs:. Preamp output for an external additional amplifier or powered speaker. Sub preamp output to....
  • Record output to mixer. Includes 2 wireless VHF mics with digital display and on/off switch (very high quality mics. Significantly better then our V1....
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Digital Hearing Amplifier - (Pair of 2) Personal Hearing Enhancement Sound Amplifier, Rechargeable Digital Hearing Amplifier with All-Day Battery Life, Modern Blue

  • NEVER MISS OUT ON HEARING AGAIN! INTRODUCING A NEW KIND OF DIGITAL SOUND AMPLIFIER: The MEDca rechargeable digital amplifier is the best industry leading hearing amplifier to instantly experience superior sound. With introducing our latest in digital smart chip technology including Active Digital Noise reduction you will clearly hear conversations so you easily understand everything being said and enjoy life again. With MEDca, you'll love the fact that everything instantly sounds better..
  • CRITICAL! RECHARGEABLE BATTERY LASTS ALL DAY ON A SINGLE CHARGE: Our digital hearing amplifier contains a rechargeable which means that you will not have to constantly change batteries right in the middle of a conversation or suffer from running out of batteries again! Which is why through extensive research, we made it a priority to create a hearing amplifier that has the longest battery life in the industry. Without changing batteries all the time you will be free to do the things you love..
  • LATEST REVOLUTIONARY READY TO USE TECHNOLOGY: The problem with other BTE Hearing amplifiers is they need complicated programing. Our MEDca digital hearing amplifier solves that problem! That's because our hearing sound amplifiers has a digital smart chip which means that no prog....
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Rockville RGHR2 Marine Bluetooth Receiver+Remote+(4) 8\ Wakeboards+Amplifier+Kit

  • Package Includes: (2) Rockville MRCA25 25 Foot Twisted Pair Marine RCA Cable 100% Copper, Split Pin. (1) Rockville RGHR2 Marine Gauge Hole Receiver w Bluetooth USB, Radio + Wired Remote. (1)Rockville RMWK8 8 AWG Gauge Waterproof Marine Amplifier/Amp Install Wire Kit. (2) Pair Rockville RWB90W White 8" 300w Marine Wakeboard 360° Swivel Tower Speakers. (1) Rockville RXM-F3 1600 Watt Marine/Boat 4 Channel Amplifier Amp+PA Microphone. Features: Rockville MRCA25 RCA Interconnect Cable.
  • 25 Ultra-Flexible PVC Shield. Twisted Pair. Premium Audiophile Marine RCA Interconnect Cable. High Performance Water Proof RCA Plugs. Tinned Copper Strands for Sonic Purity. Outstanding Noise Rejection, Accuracy, and Frequency Response. Marine digital media receiver. Wired remote with 32.8 foot wire. USB extension cable (40 inches). Mounting bracket. Screws. ISO wiring. Owner manual and warranty. Rockville RGHR2 Weather Resistant Gauge-Hole Digital Media Receiver w/Bluetooth/USB/AM/FM.
  • Fits into a standard Gauge-Hole (Tachometer) Opening. Built-in 72 x 4 Watt Peak high powered amplifier (28 x 4 RMS). Built in EQ with preset EQ curves (Pop, Class, Rock, Flat). IP66 Waterproof Certification (Tested to withstand the elements). USB Input to play back audio files store on a USB t....
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Rockville RGHR2 Marine Bluetooth USB Receiver+Remote+(4) 8' Wakeboard Speakers

  • Package Includes: (2) RockvilIe MRCA25 25 Foot Twisted Pair Marine RCA Cable 100% Copper, Split Pin. (1) RockvilIe RGHR2 Marine Gauge Hole Receiver w Bluetooth USB, Radio + Wired Remote. (1)RockvilIe RMWK8 8 AWG Gauge Waterproof Marine Amplifier/Amp Install Wire Kit. (2) Pair RockvilIe RWB80W 8" White 2 Way 600 Watts, 300 Watt Marine Wakeboard Tower Speakers. (1) RockvilIe RXM-F3 1600 Watt Marine/Boat 4 Channel Amplifier Amp+PA Microphone. Features: RockvilIe MRCA25 RCA Interconnect Cable.
  • 25 Ultra-Flexible PVC Shield. Twisted Pair. Premium Audiophile Marine RCA Interconnect Cable. High Performance Water Proof RCA Plugs. Tinned Copper Strands for Sonic Purity. Outstanding Noise Rejection, Accuracy, and Frequency Response. Marine digital media receiver. Wired remote with 32.8 foot wire. USB extension cable (40 inches). Mounting bracket. Screws. ISO wiring. Owner manual and warranty. RockvilIe RGHR2 Weather Resistant Gauge-Hole Digital Media Receiver w/Bluetooth/USB/AM/FM.
  • Fits into a standard Gauge-Hole (Tachometer) Opening. Built-in 72 x 4 Watt Peak high powered amplifier (28 x 4 RMS). Built in EQ with preset EQ curves (Pop, Class, Rock, Flat). IP66 Waterproof Certification (Tested to withstand the elements). USB Input to play back audio files store on....
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Pyle Bluetooth Mini Blue Series Home Audio Amplifier - Compact Desktop Home Theater-Stereo Amplifier Receiver with USB Charge Port - Pager & Mixer Karaoke Modes - Mic Input (40 Watt x 2) - PTA22BT

  • DESKTOP AUDIO AMPLIFIER: Take control of your sound with hi-powered, mini-style component stereo amplifier performance - enjoy wireless streaming ability with the Mini Blue Series Home Amplifiers with built-in Bluetooth - Power Output: 40 Watt x 2.
  • BLUETOOTH STREAMING RECEIVER: Simple & hassle-free Bluetooth amplifier pairing allows you to connect and play your music to connected speakers and radio systems - or connect and stream audio directly via the Aux (3.5mm) audio input jack connector.
  • COMPACT SOUND CONTROL: Multi-channel amplifier design paired with convenient audio configuration unlocks home theater stereo system ability right on your computer desktop - gain access to digital sound control with compact amplifier receiver power.
  • VERSATILE MINI COMPONENT AMPLIFIER: Connect to external devices like radios, speakers and microphones - or use the 1/4’’ headphone jack for private listening from your home PC desk - features rear panel quick connect push-type speaker terminals.
  • MICROPHONE PAGER & KARAOKE MIXER: Hit the switch to select the desired audio source channel input, then fine-tune your digital sound amplifier for mini-size style with maximum watt power performance for all of your home stereo system needs.
  • TECHNICAL SPECS: RCA Record Output - F....
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MEDca Digital Hearing Amplifier VHP-220 500hr Battery Life Modern Design Doctor and Audiologist Designed

  • DIGITAL HEARING AMPLIFIER: MEDca Digital amplifier is the best solution for people with hearing condition. The device has full digital circuitry and a....
  • SUPERIOR DESIGN: Our hearing amplifier is designed by an audiologist. It has been innovated keeping in mind the hearing requirements and limits of an....
  • COMFORTABLE: The amplifier is comfortable in either of the ears. It has a full digital tone quality for low audio distortion and clearer voice. It....
  • EXCEPTIONAL FUNCTIONS: This hearing amplifier comes with low power consumption for up to 6 times power saving over analog models. It’s superior to....
  • EASY TO USE AND GOOD BATTERY LIFE: Our device is simple and user-friendly. It runs on a 3LR44 battery and consumes very little power, literally....
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Linsoul 7HZ SEVENHERTZ 71 Portable Headphone Amplifier DAC Dongle with AK4377 Chip, High-End OCC Cable, Supports Android 5.1 and Above

  • ...rmat audio signal. For better sound quality, a 32-bit digital filter is integrated into the circuit, allowing a lower distortion rate and a wider sound field..
  • 【Applicable to Android 5.1 or Higher Version And Lightning Connector】The 7HZ SEVENHERTZ 71 Portable Headphone Amplifier is small but powerful. It can effectively improve the sound quality representation of devices such as mobile phones, music players, etc. SEVENHERTZ 71 is mainly applied to mobile phones and it is suitable for Android 5.1 and above. Besides, SEVENHERTZ 71 can compatible with L connection..
  • 【High-end 4-pin 36-core OCC cable】As a portable headphone amplifier, the 7HZ SEVENHERTZ71 not only adopts an upgraded DAC chip but was also designed with high-end cables. 7HZ SEVENHERTZ 71 cables use four 36-core OCC cables, which can transmit digital and analog signals losslessly. The cables are hand-woven and extremely robust, enhancing the resistance to breakage..
  • 【Battery-Free Design, Plug And Play】The 7HZ SEVENHERTZ 71 Potable Headphone Amplifier used a battery-free design. The AK4377 chip is easy to drive and the impedance of the circuitry in this....
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ACEIRMC 2pcs MAX9814 Electret Microphone Amplifier with Auto Gain Control for Arduino

  • 1.The MAX9814 is a high-quality microphone amplifier 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-voltage generator and AGC control circuitry..
  • 2.A trilevel digital input programs the output amplifier gain. An external resistive divider controls the AGC threshold and a single capacitor programs the attack/release times..
  • 3.The low-noise preamplifier has a fixed 12dB gain, while the VGA gain automatically adjusts from 20dB to 0dB, depending on the output voltage and the AGC threshold. The output amplifier offers selectable gains of 8dB, 18dB, and 28dB. With no compression, the cascade of the amplifiers results in an overall gain of 40dB, 50dB, or 60dB..
  • 4.The MAX9814 is available in the space-saving, 14-pin TDFN package. This device is specified over the -40°C to +85°C extended temperature range. MAX9814: Simplified Block Diagram MAX9814: Simplified Block Diagram Enlarge+.
  • 5.A trilevel digital input programs the ratio of attack-to-release time. The hold time of the AGC is fixed at 30ms. The low-noise microphone-bias-voltage generator can bias most electret microphones..
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Rockville RGHR2 Marine Gauge Hole Receiver W Bluetooth USB, Radio + Wired Remote

  • .... Wired remote with 32.8 foot wire. USB extension cable (40 inches). Mounting bracket. Screws. ISO wiring. Owner manual and warranty.
  • Rockville RGHR2 Weather Resistant Gauge-Hole Digital Media Receiver w/Bluetooth/USB/AM/FM. Fits into a standard Gauge-Hole (Tachometer) Opening. Built-in 72 x 4 Watt Peak high powered amplifier (28 x 4 RMS). Built in EQ with preset EQ curves (Pop, Class, Rock, Flat). IP66 Waterproof Certification (Tested to withstand the elements). USB Input to play back audio files store on a USB thumb drive or any other USB device. RCA Aux Input. AM/FM Radio Built In with 18 FM and 12 AM presets + US and European tuning.
  • Bluetooth built in to stream audio from any Bluetooth enabled device. USB Input Charges Your Phone. Two Sets of RCA Outputs (Front and a switchable rear/sub) allow you to connect external amplifiers. Big easy to use buttons. Backlit LCD display. Wired Remote Control Included (normally $50). Required cutout: 2.96" (diameter) x 2.75" (depth). USB is 500mA and 5V and supports 16GB max. Dimensions: 2.96" cutout mounting diameter. 4.45" diameter top plate. 3.9" mounting depth (not including top plate). 5.0" depth including the top plate.
  • Specs of the built in amplifier: TDA7851L quadbridge power amplifier. 4 x 72 watts peak ....
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Rockville RPA6000USB 19' 1000w 4 Chan DJ/Pro/Karaoke Amplifier/Mixer Amp w/ USB

  • Rockville RPA60BT 19" 1000 Watt 2-Channel USB and Bluetooth Karaoke Receiver/Amplifier/Mixer..
  • 19" rack mountable (removable rack brackets) digital hybrid amplifier/receiver. RMS Power @ 4 Ohms: 125w x 2. Peak Power @ 4 Ohms: 500w x 2..
  • RMS Power @ 8 Ohms: 100w x 2. Peak Power @ 8 Ohms: 400w x 2. THD: > 0.1%. Input Sensitivity: 400mv/33 KOhm. Frequency Response: 20 Hz - 20 kHz. Signal to Noise Ratio: 80 dB..
  • Tone Characteristic: 100Hz-10KHz ±12dB. 110v/220v Switchable. Front Inputs: 3.5MM front aux input, 1/4” Headphone Jack, (2) 1/4" Mic Inputs, USB Input, Optical. Rear Inputs: RCA, Optical, Coaxial. Rear Outputs: Preamp output for an external additional amplifier or powered speaker..
  • Sub preamp output to connect a powered subwoofer or an amplifier. Record output to mixer. Record output to connect a recording device. Bluetooth Capable. Rear Speaker Terminals: Banana plug / binding post outputs for 4 speakers (2 on Channel A and 2 on Channel B).
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