Save $19.30 on the Lanzar 6-Channel Mosfet Amplifier with Bluetooth, now $185.99 on Amazon below its 30-day average.

Coming mid-2026, the FiiO K17 R2R Pro DAC and headphone amplifier aims for a more analogue like listening experience with proprietary resistor ladder architecture.

FiiO’s new K17 R2R Pro is a desktop DAC, streamer and headphone amp that promises “uncompromising sound quality with cutting ...

M5Stack has just launched the Cardputer Mesh Kit, a portable, card-sized Meshtastic communication terminal built around the ...

FiiO has officially introduced the K17 R2R Pro, a new all-in-one desktop audio solution that combines a DAC, streamer, and ...

Some listeners would rather their hi-fi had a little character, a little warmth, a little of what gets loosely described as ...

The problem with tube based audio is that it has so often been hijacked by people for whom the bragging rights of having a ...

Abstract: Electronic devices with high performances like Power Amplifiers (PA) are very important for Wireless communications. This paper proposes a design of a class AB power amplifier operating at 2 ...

Mark Persons shares why a multimeter is his go-to instrument for initially figuring out what is going on or going wrong in a ...

Abstract: This letter presents a K-band power amplifier (PA) monolithic microwave integrated circuit (MMIC) with frequency reconfigurable operation in a 0.15-$\mu \text {m}$ GaN-on-SiC process. The ...

The DX9 is Chinese audio brand Topping's latest DAC – though it's also a preamp and headphone amp – and it's now available in ...