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Usb Amp Review Features Comparison

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FiiO E10K USB DAC and Headphone Amplifier (Black)

FiiO E10K USB DAC and Headphone Amplifier (Black)

Brand: Fiio
  • PORTABLE DESIGN - A sleek, brushed aluminum shell and chassis allow for durable, portable use.
  • LOW NOISE FLOOR - The unit has an optimized low-pass filter and selectable bass boost circuit that are designed for a low noise floor in all states.
  • DAC Chip-The Internal DAC chip is a PCM102 and can handle PCM files up to 24-bit/96 kHz while improving audio quality via a linear filter, reduced delay and internal silence on changing tracks, and no phase shifts.
  • CONNECTION VARIETY - The variety of connections include a front-panel 1/8" headphone jack, a rear-panel 1/8" line output, and a rear-panel coaxial digital output, which allows you to send your digital audio to another destination.
  • USB CONNECTION - Connects to your laptop via its micro USB connection, which also provides it with power.
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The E10K USB DAC Headphone Amplifier from Fiio is designed to improve your laptop's audio output quality via its PCM5102 DAC chip and is capable of handling PCM files in up to 24-bit, 96 kHz resolution. It features a selectable bass boost and low-pass filter, both with circuitry optimized for a low noise floor when engaged, allowing you to customize the sound of your audio to your tastes.The unit connects to your laptop via its Micro USB connection, which also provides it with power. It offers a variety of connections, including a front-panel 1/8\" headphone jack, a rear-panel 1/8\" line output, and a rear-panel coaxial digital output, which allows you to send your digital audio to another destination. DAC ChipThe internal DAC chip is a PCM5102 and can handle PCM files up to 24-bit/96 kHz while improving audio quality through via a linear internal filter, reduced delay and internal silence on changing tracks, and no phase shifts.Low Noise Floor The unit has an optimized low-pass filter and selectable bass boost circuit that are designed for a low noise floor in all states.Amplification Stage The E10K features a LMH6643 op amp, which is designed for transient response and driving power.Portable DesignA brushed aluminum shell and chassis allow for durable portable use.

Mini Stereo USB Bluetooth Power Amplifier 2.1 Channel HiFi Audio Amplifier for Home Car Motorcycle Boat Tablet PC Laptops, 2 x 45W & 68W, USB/ Bluetooth/ FM/ SD/ MP3 Supported

Mini Stereo USB Bluetooth Power Amplifier 2.1 Channel HiFi Audio Amplifier for Home Car Motorcycle Boat Tablet PC Laptops, 2 x 45W & 68W, USB/ Bluetooth/ FM/ SD/ MP3 Supported

Brand: Tsumbay
  • Bluetooth Audio Amplifier: Built-in Bluetooth for wireless audio steaming, compatible with iPhone, Android, Smartphone, iPad and all Bluetooth enabled devices. Or connect with your tablet, laptop, pc or non-bluetooth enabled devices via 3.5mm audio cable.
  • Hi-Fi Powerful Sound: 2 x 45W + 68W output power, 2.1 channel sound output and super bass offer you the best audio hearing experience with the minimum distortion.
  • Compact and Portable: This mini amplifier can play U Disk/ SD card (MP3) for music and FM radio, MP3, DVD,USB are all supported. Small and compact size suitable for all cars, motorcycles, boats, vehicle etc. And also a good choice for home music player, home theaters, or other home entertainment systems.
  • Easy Operation: Adjustable Treble, Bass, Volume Controls button, pressing or rotating those buttons on the amplifier or just pressing the keys on the remote controller according to the user manual, mix the music, get the proper tune and volume you preferred.
  • What You Get: 1 x HiFi Power Amplifier, 1 x DV 19V/3A Power Adapter, 1 x Remote Control, 1 x User Manual and our considerate customer service. Any problems regarding the product, please feel free to contact us.
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Features:



Internal high-quality Bluetooth module
USB, Bluetooth input supported
2.1-channel sound output
Super Subwoofer speaker
Lightweight aluminum casing for easy carrying
Perfect sound hearing experience provided
Suitable for both indoor home usage and outdoor usage on your vehicles
Convenient operation with the infrared remote controller provided

Specifications:



Input Voltage: DC 19V-24V≥3A
Frequency Response: 20Hz-20KHz 
Output Power: 45W x 2 & 68W x 1
Harmonic Distortion: <0.1%
SNR: >80dB
 Input Impedance: 47K
Load Impedance: 4-8Ω
Size: 17.6*15.5*4.3cm


Package Included:



1 x HiFi Power Amplifier
1 x Remote Control
1 x User Manual
1 x Adapter

ART USB Phono Plus

ART USB Phono Plus

Brand: ART
  • Easily transfer audio from your vinyl records to your laptop or computerAlso functions as an audio interface between analog and digital sourcesFront mounted gain control and Signal/Clip LEDUSB Phono Plus ships with Sound Saver Express software
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The ART USB Phono Plus phono preamplifier / audio interface is an ideal solution for getting your precious vinyl into your computer. It also does double-duty as an audio interface. You get a high-performance phono preamp with a low cut filter plus a handy selection of of analog and digital I/O. A front-mounted gain knob and a signal/clipping LED let you adjust settings for a broad range of analog sources. This great little device is housed in a rugged, all-aluminum case. If you've got records to digitize, the ART USB Phono Plus is for you.

USB Quick Charger RAVPower 30W Dual USB Plug Wall Charger with Quick Charge 3.0 (4X Faster) for Galaxy S6, Note 5, LG G4 G5, Nexus 6 and ipod iSmart for iPhone 7 (Black)

USB Quick Charger RAVPower 30W Dual USB Plug Wall Charger with Quick Charge 3.0 (4X Faster) for Galaxy S6, Note 5, LG G4 G5, Nexus 6 and ipod iSmart for iPhone 7 (Black)

Brand: RAVPower
  • Qualcomm Quick Charge 3.0: The world's fastest USB charging technology provides up to 4x faster speeds - charge compatible devices from 0% to 80% in just 35 minutes.
  • Dual Use: QC 3.0 port charges at a powerful 12V/2A and also provides 5V/2.4A output for non-QC devices - dual port design lets you charge 2x normal devices (iPad, iPad, etc.) at the same time for 4.8A total output.
  • Smart: Includes RAVPower's exclusive iSmart charging technology plus QC 3.0 INOV (Intelligent Negotiation for Optimum Voltage) for maximum efficiency charging.
  • Convenient: Small and travel-friendly charger with 100-240V universal power supply and foldable pins.
  • Safe: Durable casing with over-heating, high-current, and voltage-surge protection for 100% safe charging.
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Quick Charge 3.0 - The World's Fastest Charging
Qualcomm's newest charging technology provides up to 4x faster speeds than standard chargers, meaning it takes only 35 minutes for compatible devices to go from 0% to 80% power. Along with its new INOV (Intelligent Negotiation for Optimum Voltage) technology and backwards compatibility with Quick Charge 2.0 devices, there is no faster option for mobile power charging.

Maximum Compatibility with Maximum Power
Aside from Quick Charge devices, this wall charger also keeps normal devices powered up at full speed. The dual-port USB design includes a powerful 12V/2A charging port and another high-speed 5V/2.4A port, making it perfect for everything from smartphones to tablets to other USB-powered devices.

RAVPower iSmart Charging Technology
Exclusive from RAVPower, both ports include iSmart charging technology which automatically detects a connected device, identifies the charging input, and then matches the devices with its required current. This process optimizes the charging experience for the fastest charging every time.

Quick Charge Compatible Models:
Samsung Galaxy S7 / S6 / S6 Edge / Edge Plus, Note 5 / Note 4 / Edge
Google Nexus 6
Motorola Droid Turbo, Moto X 2014
Sony Xperia Z4 / Z4 Tablet, Z3 / Z3 Compact / Z3 Tablet Compact
LG G4, LG G5, LG G Flex2, LG V10
HTC One M9 / M8, HTC Desire Eye, HTC One remix
Xiaomi Mi3, Mi4, Mi Note, and more
Asus Transformer T100, Asus Zenfone 2
ZTE Axon Pro
Yota Phone 2

Note:
Qualcomm Quick Charge Technology is not supported by the iPhone and iPad. However, they can still be charged at their full speed with this RAVPower QC 3.0 Wall Charger.

Topping NX4 Portable Audio Amplifier Headphone Earphone Black,HIFI Digital Stereo Audio AMP for Iphone,Ultra Slim with USB DAC Port,Gain Mega Bass Set,100% Compatible with IOS

Topping NX4 Portable Audio Amplifier Headphone Earphone Black,HIFI Digital Stereo Audio AMP for Iphone,Ultra Slim with USB DAC Port,Gain Mega Bass Set,100% Compatible with IOS

Brand: Topping
  • SUPPORT APPLE/ANDROID DECODING: with the standard data cable, can be connected to Apple(100% compatible), Android mobile phone decoding, which is the best choice for playing HIFI with phones.
  • USB SOUND CARD FOR PC: connected to the computer can be used as a high-performance USB sound card, the maximum support 192kHz / 32bit.
  • 36 HOURS SUPER LONG BATTERY LIFE: fully charged in the pure amp mode can work 36H, USB decoding + amp mode can work for 12H.
  • BOOST & GAIN SELECTION: with bass boost and gain selection function,more powerful and clear music output.
  • ALL METAL SHELL: beautiful appearance; small size, easy to carry.all-metal shell,very hard,unbreakable
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TOPPING NX4 is a high-performance HIFI portable USB decoding headphone amplifier. Built-in a high capacity rechargeable lithium battery for its easy to carry out and long life; Analog and Digital signal input choice. Output of 307mW * 2 , enough power to drive whatever headphones. (Lighting Port, Type-C Port, Micro Port...) No matter what kinds of playing devices (IOS/Android/PC/MP3) can find the right accessories to connect NX4, easy for you to listen to beautiful music. Moreover, NX4 can be connected to the computer through a USB cable as a high-performance external sound card, the maximum specifications to support 192kHz / 32bit.


NX4 Technical specifications:

Body Size: 11.0cm x 6.8cm x 1.4cm
Weight: 155g (with battery)
Color: Black
Signal input: 1 x 3.5 headphone port (analog signal), 1 x USB Micro (digital signal)
Lineout: 1 x 3.5 headphone jack
Headphone output: 1 x 3.5 headphone jack
Volume control: ALPS potentiometer
Bass boost: YES
Gain selection:YES
Battery capacity: 2400mAh
Battery time:>36H (amp mode), >12H (USB decoder with amp)
Charging time: <4H

Packing specification:
Size: 15.6 cm x 10.7 cm x 5.2 cm
Weight: 350g

Contents list:
1 x NX4 Black
1 x 3.5 to 3.5 audio cable
1 x Micro USB to Micro USB cable
1 x Micro USB to Type-C USB cable
1 x Micro USB to Lightning cable
2 x Rubber band(Exclusive Gray Color)
5 x Velcro
1 x Rubber pad
1 x User's manual
1 x Warranty card

Car Charger - JEBSENS - 4in1 3.1A Fast Dual USB Car Phone Charger, Voltage Meter Monitor USB Car Charger for Smartphone with Blue LED Voltage Amps and Internal Temperature(Fahrenheit) Display - 15W

Car Charger - JEBSENS - 4in1 3.1A Fast Dual USB Car Phone Charger, Voltage Meter Monitor USB Car Charger for Smartphone with Blue LED Voltage Amps and Internal Temperature(Fahrenheit) Display - 15W

Brand: JEBSENS
  • FAST DUAL USB CHARGING PORTS - Combined 3.1 amps; 15W; uses smart technology to ensure each device pulls the right amperage. Dual USB car charger is powered by the vehicle's cigarette lighter.
  • OVER-CHARGE PROTECTION - The mini USB car charger is auto power off when input/output is greater than safety current, protects against over-heat, over-current and over-charging
  • LED DISPLAY - LED digital luminescence tubes; Display cycles between internal temperature (Fahrenheit), device's charging current, and the voltage of the vehicle's car battery. (Note: When using the device to charge, it display the charger's temperature instead of the internal temperature of your car. ) The LEDs are bright enough to read the display without being a distraction while driving. New updated version (ASIN B01N00I4TM) with LED Voltage & Amps Display only.
  • SPECIFICATIONS - Input: DC 12V - 24V, Output: DC 5V/3.1A, 15 W, Conversion efficiency 95%, Measuring range: Voltage 5V-25V, Current 0 - 3.1A, Temperature -4⁰ to 176⁰ F
  • PACKAGE INCLUDES: 1 x Jebsens 4in1 Dual USB Car Charger with LED Display. (Charging Cable NOT included) 1 Year Guarantee provided by Manufacturer. Money Back Guarantee from JebsensDirect. Need a Car Mount? Check out the No.1 Rated JEBSENS CA02 Magnetic Air Vent Car Mount (ASIN: B0144AX6WK) - Enjoy hands free driving!
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All car owners should know that electric appliances, such as power switch, spark plugs, and other internal electronics can be gradually damaged if the voltage is too high (exceeding normal value by 15%). Similarly, cars will not work proplerly if subject to under-voltage conditions (lower than 10% of threshold).

The JEBSENS 4in1 Dual USB Car Charger with LED Display is a Mutifunctional Tool for you car! It Charges different mobile devices such as iPhone, Android Smart phone, iPad, Camera, PSP, etc. Built in LED Display present to you Fahrenheit, Amperage, and Voltage of your car. This allows you to be more conscious of your vehicle and devices you're charging. Every ten seconds, the display switches between voltage, internal temperature, and total amperage of the devices you are charging.

Features:
Digital LED FAV Display - FAV stands for Fahrenheit, Amperage, and Voltage. Every ten seconds, the display switches between voltage, internal temperature, and total amperage of the devices you are charging.

Be In Tune with Your Vehicle - This device is one of the most helpful gadgets you can buy for your car. The voltage indicates the health of your battery and allows you to know when it's time for a replacement. The temperature helps you to manage the internal temperature of the car. The amperage keeps you informed of the amount of amperage your devices are using.

Overcharge / Overheat Protection - The device auto powers off when input/output is greater than safety current. This ensures that your devices are protected against over-heat, over-current and over-charging. It detects the ambient tempreture when not charging any device; when charging other devices, it shows the tempreture of the Car Charger itself which is a little higher than the ambient.

Blue Icicle XLR to USB Mic Converter/Mic Preamp

Blue Icicle XLR to USB Mic Converter/Mic Preamp

Brand: Blue Microphones
  • Plug and record
  • Studio Quality USB microphone preamp
  • Supplies 48V phantom power for condenser microphones
  • No special drivers required
  • Fully balanced low noise analog front end
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Why should you bother with a bulky interface, when all you want to do is plug a single microphone into your computer? With a Blue Icicle in your arsenal, you can turn any microphone into a totally streamlined, USB-ready recording device. Instead of lugging around some fancy rack and a bunch of outboard gear, just toss an Icicle and a mic in your laptop bag, and take your studio straight to the source to track vocal takes, guitar overlays, on-site interviews, sound effects, or whatever your little heart desires. It's even got 48V phantom power for those power-hungry condenser mics.

Creative Sound Blaster E5 High-Resolution USB DAC 600 ohm Headphone Amplifier with Bluetooth

Creative Sound Blaster E5 High-Resolution USB DAC 600 ohm Headphone Amplifier with Bluetooth

Brand: Creative
  • A DAC with 120dB signal to noise ratio (SNR) that supports up to 24-bit/192kHz can deliver bit-perfect, true-to-original audio reproduction, just as it was mastered in the studios
  • Audiophile Grade, Best-in-class headphone amplifier enables you to power all the headphones in the market with clarity and details
  • Portable Digital Connectivity with Mobile Devices allows you to stream high quality, lossless audio digitally from your mobile devices while on-the-go
  • The fully customizable SBX Pro Studio suite of technologies gives you unprecedented audio realism when playing back compressed audio; turn off when listening to lossless audio so that you can enjoy bit-perfect audio
  • Features built-in NFC technology for one-touch, fuss-free Bluetooth pairing. Simply tap and connect your Bluetooth device and enjoy high quality wireless digital audio streaming.
  • Comes with built-in dual microphones that automatically detect and react to landscape or portrait orientation, allowing high-quality recording to smartphones and tablets.
  • Connectors : Headphone-out : 2x 3.5mm Stereo jacks, Audio-input : 1x 3.5mm (Line-in / Mic-in / Optical-in), Audio-output : 1x 3.5mm (Line-out / Optical-out), Charging/Streaming : 1x micro USB , 1x Type-A USB(Host)
  • Charging : via from PC/MAC or external USB power adapter
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The Sound Blaster E5 is a 24-bit/192kHz high resolution USB DAC and portable headphone amplifier. Built with precision audiophile components, a best-in-class 600 ohm headphone amplifier and apt technology for Bluetooth, the Sound Blaster E5 is the perfect audio component for music lovers - whether they are on the move or beside their PC/Mac.

Leviton USB4P-W 4.2-Amp High Speed 4-Port USB Charger, White

Leviton USB4P-W 4.2-Amp High Speed 4-Port USB Charger, White

Brand: Leviton
  • Microprocessor & Smart Chip Designed For Recognizing & Optimizing The Charging Requirements Of The Electronic Device
  • Charges Multiple tablets and High Power Devices At Once
  • 4 Vertical USB Ports Are Generously Spaced To Provide More Room For Maneuvering & Reducing Stress On USB Cables
  • Compact Design Fits In A Standard Wall Box and Is Compatible With Standard Wall plates
  • 4.2A Charging Capacity
  • Ideal for residential and commercial applications
  • Smart chip recognizes and optimizes the charging requirements of individual devices
  • Easy to install and can replace existing outlets
  • Five-year limited warranty
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The Leviton USB4P offers 4 USB Charging Ports with a total of 4.2A of charging power. This device has the ability to charge up to four devices, including multiple tablets simultaneously. The USB Ports are Type A, 2.0 and are controlled by a microprocessor and smart chip that recognizes and optimizes the charging power of your device plugged in. This means you can spend less time charging your device and more time enjoying it! Our 4-Port USB Charger is ideal for charging tablets, smart and mobile phones, e-readers and much more.

AUKEY Amp Duo USB Wall Charger with Power Delivery for Nintendo Switch 2017, Google Pixel/XL and More

AUKEY Amp Duo USB Wall Charger with Power Delivery for Nintendo Switch 2017, Google Pixel/XL and More

Brand: AUKEY
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