He has been reviewing speakers and other audio products for more than 30 years. We tested several new amps and added the Aiyima D05 to Other stereo amps and receivers worth considering.

Its revolutionary electrostatic loudspeakers, the 1957-released Quad ESL, are the most prominent example. But the Quad 303 stereo amplifier and Quad 33 preamplifier — both originally released in 1967 ...

Ultranet is a protocol created by audio manufacturer Behringer to transmit up to 16 channels of 24-bit sound over a Cat-5 cable. It’s not an open standard, though: Behringer doesn’t offer an ...

If you're looking to dig into the world of hi-fi systems that consist of a separate stereo receiver or integrated amplifier that powers a set of passive speakers — whether your passion is ...

The EX Series features two audiophile-grade hi-fi components: the EXN100 music streamer ($1,799) and the EXA100 integrated amplifier ($2,199). The latter is most exciting. Not only are integrated ...

The operational amplifier, or op amp, is one of the most basic building blocks used in analog circuits. Ever since single-chip op amps were introduced in the 1960s, thousands of different types ...

AV receivers are classified based on how many speakers they can power. The more amp channels and power, the higher the price. Room correction Room correction adjusts your speakers’ performance ...

Devialet, the French company at the intersection of audio engineering and luxury, is known for its egg-shaped Phantom speakers, but the company’s first product was in fact an audio amplifier ...

A signal amplifier should only be used as a last resort when the television signal is weak. Even the best amplifier will still add some noise to the television signal it is amplifying/boosting ...

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If voltage is like water pressure, amperage is like the rate of water flow. “Amps” is the common shorthand for this. When ...

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title ...