Top 10 Benchmark Hpa4 Headphone / line Amplifier – HDMI Cables

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1. DTech


DTECH 4K2K HDMI 2.0 Signal Amplifier Booster Repeater 4K 60Hz YUV 444 18Gbps HDCP 2.2 CEC 3D 1080P Extender Boost up to 164 Feet Compatible with PS4 VR TV Box Blu-ray Player HDTV Monitor Projector

DTech #ad - Plug and play hardware designed, no driver/extra power needed; for a high-power devices over super long connection, it can be powered by a backup charge cable when the power is insufficient.

Hdmi to hdmi v2. 0 signal amplifier extender box is well constructed with mini size aluminum metal case, and small enough to be fitted behind a display, or in the back of a rack. Active hdmi booster supports hdcp2. 2, ultra hd video deep color 36 bit, 3d, cec pass through, multiple audio format DTS-HD / AC3 / LPCM 7.11 / dts / true-hd / dSD. Handles 18gbps bandwidth that enables you to view ultra hi-definition detailed image up to UHD [email protected] 60fps YUV 4:4:4 below 82 feet, [email protected] fps below 131ft, [email protected] below 164ft. 4k hdmi 2. 0 repeater boosts audio video signal to greatly improve your devices’ picture quality, receiver, PS4, VR headset, ideal for projector, HDTV, etc.
BrandDTech #ad
Manufacturerguangzhouditedianzikejiyouxiangongsi #ad
Height0.83 Inches
Length2.05 Inches
Weight0.35 Pounds
Width1.81 Inches
Part NumberEX39-US
Warranty180 days

2. Douk Audio


Mini Stereo Line Level Booster Amplifier Audio Preamp 20dB Gain Volume Control

Douk Audio #ad - Perfect design in size and function, suitable for many scenarios to increase the output level, audio recording, party, such as home stereo system, karaoke, mixer or speaker setup, live stage event etc. With built-in amplification and voltage boost circuit: adjustable gain to match better with different audio sources, support DC 5-24V wide input voltage that can share the power supply of amplifiers, while L1 can always work at a high voltage of 26V to provide ±12.

5v high output amplitude and max 20dB high gain. Mini size with exquisite appearance, compact and all-metal design for durability and shielding the electronics from electromagnetic interference with noise rejection. Unique design and hifi clear sound: double-side pcb design, ne5532p op amp with pluggable socket design, convenient to change other op amps to enjoy different sound and bring much DIY fun for audiophiles.

Mutiple input/output interfaces: with 3. 5mm aux/stereo rca/5-din inputs and stereo rca/5-din outputs, can be compatible with most low-volume audio sources such as ipod, video game etc. Potable cd player, tv, phone, mp3 player, ipad, computer, and boost their output to the level needed to drive amplifier or speakers. High-qaulity sealed potentiometer, the sound is smooth and natural, with wide frequency bandwidth and excellent dynamic response, warm and delicate with ultra-low distortion.
BrandDouk Audio #ad
ManufacturerDouk Audio #ad
Part NumberXZ-L1



Gain 20dB Phono Turntable Phonograph preamp, Headphone Amplifier, ATNEDCVH Mini Small Stereo Audio preamplifier, Dual op amp NE5532 with RCA 3.5mm Input to RCA 3.5mm Output

ATNEDCVH #ad - Input: dvd, computer, post-amp, phono turntable, bass, set-top box, cd, game console or other devices. Output: speakers, headphones, tablet, electronic instrument, subwoofer, Sound Blaster, mobile phone, MP3, AV receiver, reverberator, TV, sound card, guitar, etc.

It is suitable for audio signal amplification. Widely compatible with all audio devices. Input: rca l / r + 3. 5mm, static current about 8ma. Using the classic dual op amp ne5532, high frequency electrolytic capacitor, noise reduction circuit design, effective gain audio, no background noise, improve sound quality. Small size, easy to carry and use. With volume adjustment knob, poowered by DC 9-19v, Output: RCA L / R + 3.

5mm + headphones, the volume can be adjusted freely. Size: 87mm / 1. 96in × 37mm / 3. 42in × 50mm / 1. 45in. It can directly drive the headphone to work the headphone output port can't be used with other output ports at the same time, and supports the maximum headphone impedance of 16 ohm. The amplification multiples is 10 times 20dB.
ManufacturerATNEDCVH #ad
Part NumberAT-PA001-B



AptX HD, aptX Adaptive, Qudelix-5K Bluetooth USB DAC AMP with LDAC, AAC Dual ES9219 3.5mm Unbalanced & 2.5mm Balanced Output

QUDELIX #ad - Qualcomm qcc5124 bluetooth chipset hfp / hsp / aptX Adaptive / avrcp ldac / aptX HD / A2DP / AAC. Bluetooth and usb dac 96KHz/24bit with embedded double-precision equalizer. Dual es9219 hifi dac 2. 5mm balanced 4v rms 3. 5mm unbalanced 2V RMS. Plastic body black with anti-scratch uv coating / 52. 8h x 26. 7w x 15. 6d mm including clip / Aluminium Clip Dark Gray / 25g. 500ma li-po battery / 6~20 hours streaming.
BrandQUDELIX #ad
ManufacturerQudelix,Inc. #ad
Height0.61 Inches
Length2.07 Inches
Weight0.06 Pounds
Width1.04 Inches
Part NumberQudelix-5K
Warranty1 year manufacturer

5. Fosi Audio


Fosi Audio PH04 4 Channel Headphone Amplifier Stereo Audio Amp with 12V 1.5A Power Adapter Ultra-Compact Portable Headphone Splitter for Studio and Stage

Fosi Audio #ad - These ultra-low-noise operational amplifiers are included for outstanding audio performance: the same op amps found in "full-size" audio equipment. Upgraded versionph04 is designed with a power switch and 3. 5mm headphone output compare with other 4 CH headphone amp. If you're tracking more than one musician at once, flexible PH04 can power up to four pairs of headphones and up to four independent volumes.

Grab this super-compact amp during your sessions to power practically any headphones: four of them at the same time. Ultra-compact designa simple solution: ultra-compact headphone amplifier system for studio and stage applications. When a recording session calls for everyone's heads and ears to be in the game, the PH04 is the perfect solution and a real money-saver! Great sound, great valuethe ph04 contains 4 independent stereo high-power amplifier sections that maintain the highest sonic quality even at maximum volume levels.

What you getph04 amp x1, our worry-free 18-month warranty, user manual x1, 12v DC power adapter x1, and friendly customer service.4 channel stereo headphone amplifierfosi audio ph04 is a 4 high-power stereo amplifiers with output level control for each channel, or if everyone in a group wants to listen to a playback, you need a monitor distribution system. The compact, compatible with 3. 5mm headphones and 6. 35mm headphonesYou need a 3.
BrandFosi Audio #ad
ManufacturerFosi Audio #ad
Height0.98 Inches
Length3.98 Inches
Weight0.38 Pounds
Width2.17 Inches
Part NumberPH04
Warranty18-month manufacturer

6. Syncwire


Home Stereos, iPad, iPod, Speaker, iPhone, Syncwire 3.5mm Nylon Braided Aux Cable 3.3ft/1m,Hi-Fi Sound, Echo & More – Black, Audio Auxiliary Input Adapter Male to Male AUX Cord for Headphones, Car

Syncwire #ad - Such as apple iphone, laptop, ipod, ipad, tablet, MP3 Player, Smartphones, Hi-Fi, Car Stereos, Headphones, Speaker and any other audio-playing devices. Nylon braided aux cable, 3 Years Free Card, User Guide and Customer Service.

You can wind it without having to worry about knots or kinks. Attention: incompatible with Life proof Cases And Otter Box cases. Unparalleled sound quality: polished 24K gold-plated connectors ensure reliability and eliminate signal loss and noise possible, offer clear and stereo sound to your devices. 5mm aux port. Easy carrying and storage: double shielding significantly enhances protection against interference, and with the specially designed organizer, no messy or tangled cable any more.

Ultra durable and tangle-free: with an 15000+ ultra-durable bend lifespan several times longer than original audio cables. Universal compatibility: perfectly compatible with any devices with a 3. What you get - sync wire 3. 3 ft.
BrandSyncwire #ad
Height2.17 Inches
Length4.33 Inches
Weight0.04 Pounds
Width0.47 Inches
Part NumberSW-SC017
Warranty3 Years Free Warranty Card, User Guide and Friendly Customer Service



1/8" aux Mini Inline attenuator knob -MC11, line Volume Control Box, 3.5 mm Audio Volume Controller

TENEALAY #ad - Useful and quickly to adjust volume level Up and Down. Plug and play. 3. 5mm 1/8" aux input output jacks. It allow you to adjust and control the volume level directly. No need power supply. Build in solid aluminium CNC chassis, looks nice and durable.
Manufacturerchenkuiyuli #ad
Height1.02 Inches
Length2.83 Inches
Weight0.23 Pounds
Width2.36 Inches
Part NumberMC11

8. GE home electrical


Supports HD Smart TV VHF UHF, GE Indoor HD Digital TV Antenna Amplifier, Black, AC Adapter, Clears Up Pixelated Low-Strength Channels, 42178, Low Noise Antenna Signal Booster

GE home electrical #ad - Nextgen tv atsc 3. 0 compatible – experience this new broadcast standard for over-the-air TV as soon as it’s available in your area and enjoy superior picture and sound, premium audio, richer color, faster refresh rates, a stronger broadcast signal, optional integration with your internet service for additional features and more.

The number of channels and reception quality will vary based on distance from broadcast towers, antenna position and obstacles, including hills, buildings and trees. Signal booster – this low-noise amplifier boosts signal strength to compensate for cable loss and minimizes reception dropouts to strengthen the signal of available channels that your antenna is already receiving. 4g/5g lte filter – this indoor amplifier’s pureamp technology includes a built-in 4G/5G LTE filter that blocks unwanted cell phone interference and boosts the signal for enhanced, crystal-clear reception of HDTV, VHF and UHF channels.

Universal compatibility – engineered for the future of television, this amplifier is full 1080p and 4k Ultra HD compatible to deliver high-quality picture and sound and works with all TV and antenna brands. Call the experts at 1-800-654-8483 between 7am-8PM, M-F, Central Time with any questions or issues about your purchase. Trusted brand – this amplifier is backed by a limited-lifetime replacement pledge and free U. S. Based technical support.
BrandGE home electrical #ad
ManufacturerJasco Products Company, LLC #ad
Part Number42178
WarrantyLimited-Lifetime Warranty

9. TNP Products


TNP Portable Headphones Amplifier Stereo Headphone Earphone Amp Volume Control Audio Booster with RCA Input 3.5mm 6.3mm Output Jack & Power Switch

TNP Products #ad - Volume control with power switch - Smooth rotating analog knob for easy operation and precise volume settings; Reach beyond the limitation of your earpiece. Power on with led indicator and push your headphone cans to the next level with this headphone amp; Widely used in music stores, home component systems, education, museums, studios, choir, commercial sound systems and anywhere you go.

Portable and lightweight - this headphone Amplifier is designed to enhance your music listening experience wherever life takes you; A sleek and sturdy shell and chassis allow for a durable use. Deliver the highest audio quality with virtually all types of headsets and earphones include the larger over ear headphones even at maximum volume; Adding an amp between the player and your audiophile headphones can provide a significant, audible improvement in clarity, detail and dynamics.

Flexible output option of 3. 5mm or 6. 3mm stereo jack; support stereo 3. 5mm or rCA Input. Connect only one input; powered by Micro-USB Type A or B power input or DC Adapter Included.
BrandTNP Products #ad
ManufacturerTNP Products #ad
Height2.1 Inches
Length5.9 Inches
Weight0.15 Pounds
Width4.5 Inches
Part NumberAMP_A1343

10. LVY


Phones, Computer and Various 3.5mm Audio Digital Devices, LVY Headphone Amplifier A010 Portable Headphone Amp 3.5mm Audio Rechargeable Two-Stage GAIN Switch HiFi Headphone Amplifier Compatible MP3/4

LVY #ad - Amp using time: more than 5 hours, Load Impedance: 16-300Ω. 3. 5mm aux input and output and snr>120db and Distortion 0004% make it possibility to output not just louder sound, but a sharper. Mini hifi headphone amplifier, which make it convenient to carry, can output remarkable sound without distortion. Two-stage gain switch enhances the signal input into the amp circuit for optimal performance of the headphones. Compatibility mp3, phones, mp4, laptop Computer and 3.5mm audio a Various of Digital Devices.
BrandLVY #ad
ManufacturerLVY #ad
Height0.5 Inches
Length1.9 Inches
Width3.6 Inches
Part NumberA010
Warranty2 years warranty