It runs on mains power and uses a 100dB piezo buzzer for ear-splitting effectiveness to alert [Adam] whenever the freezer is at 32°F/0°C or above. If the Arduino loses sight of the DHT22 ...

The R165X3, which you can find for $140, is another great option -- these 6.5-inch speakers come with a peak power of 90-watt each, featuring a rubber surround, vacuum polypropylene cones, a silk dome ...

There are a variety of “exotic” loudspeaker technologies including piezoelectric and ... Mid-range speakers and the high-frequency tweeter are designed specifically to resolve different ...

The Canadian speaker maker has released upgraded versions of its already excellent powered desktop speaker system.

The JBL Flip 6 uses a two-way speaker system that is engineered to deliver crystal clear sound with a booming bass. The ...

The 2024 Zeppelin Pro is a subtle upgrade of the 2021 model, but remains an astonishing wireless speaker nonetheless –and I ...

The three-way speakers feature a 28mm lithium-magnesium tweeter, 5-inch carbon-graphene midrange and 8-inch aluminum bass drivers. According to the brand, they’re designed for “critical hi-fi ...

When you want to listen to your favorite music on the go, you can skip pesky cords and cables–that’s where the best Bluetooth speakers shine. Not only are they portable and user-friendly ...

Ty Pendlebury has worked at CNET since 2006. He lives in New York City where he writes about streaming and home audio. Expertise Ty has worked for radio, print, and online publications, and has ...

Although it's possible for a single speaker to reproduce sounds spanning the entire range of human hearing, car audio systems ...