Find out more about how we test. Having focused on wireless speakers for the past few years, Sonos has returned to its roots with its latest product: the Sonos Amp. Like the ZonePlayer 100 and Connect ...

Here’s how it works. Every surround-sound system starts with one thing: an AV receiver. The AVR (also known simply as an amplifier) is the beating heart of any setup, powering the speakers and acting ...

Do not be seduced or turned off by power ratings. Some loudspeakers only require a few watts into an 8 ohm load, while others require an amplifier that can double its output into 4 ohms and is stable ...

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The REC Alpha Pro M Series is available in four versions, with power ratings ranging from 610 W to 640 W, and efficiencies of 21.5% to 22.5%. They are made with 120 heterojunction, half-cut ...

Safe and Efficient Performance along with Longer Backup. Rated Capacity 800 VA / 12V Output Power 640 Watts Battery 1 Battery System (12 VDC) Wave form Pure Sinewave Warranty 2 Years ...

The ES15’s sensitivity measured at 87.2 dB, which means it can get over 100 dB (an uncomfortably loud sound level) with just a 30-watt amp. For the price, it looks nice. Most speakers in this ...

A separate headphone amp with a built-in USB digital-to-analog converter (DAC) lets you use wired headphones with all of your mobile devices. We recommend the Fosi Audio DS1 because of its ...