March 25, 2019, 9:26 am

Amplifiers

A headphone amplifier is a low-powered audio amplifier designed particularly to drive headphones worn on or in the ears.

Audinst HUD-DX1

Audinst HUD-DX1 DAC/Amplifier Review

The Audinst HUD-DX1 is a solid state headphone DAC and amplifier combo from Audinst, Korea. Audinst is a company established in 2009 with the goal of bringing PC-based audio components to...
FiiO Q1 Mark 2

FiiO Q1 Mark 2 DAC/Amplifier Review

Apple’s closed-source iOS system, coupled with its decision to remove the headphone jack from the iPhone 7 in 2016 has made it challenging to play hi-res audio files on the iPhone. While...
SMSL IQ DAC/Amplifier

SMSL IQ DAC/Amplifier Review

Apple started the trend of removing the headphone jack in 2016 starting with the iPhone 7. Since then many Android device manufacturers have jumped on the bandwagon, ditching the 3.5mm headphone...
Audirect Beam

Audirect Beam DAC/Amplifier Review

Having reviewed the Audirect’s Whistle earlier in the year, the company is not an unfamiliar name to the readers of Porta-Fi. Based in Shenzhen, China, the Chinese company has been engaging in...
Huawei CM21 DAC Amplifier

Huawei CM21 DAC/Amplifier Review

Last month, in my Huawei Mate 20 X Smartphone review, it was mentioned that the smartphone supports audio playback of up to 24-bit/192kHz and that 32-bit/384kHz audio playback as well as...
Leptoni - Photo with Master Đình Thủy

Visit of Leptoni in Ho Chi Minh City, Vietnam

Leptoni is the plural form for Leptone in Italian. Leptone is an elementary particle that has a 1/2 spin and does not interact via the strong nuclear force. In the world of...