The Sony ULT Field 5 is down to $191.95 from $349.99. It offers strong low-end sound, Bluetooth 5.3 with multipoint, LDAC support, AUX input, and up to 25 hours of battery life.
The German loudspeaker manufacturer has been making loudspeakers primed for home theater and stereo hi-fi systems since 1926 ...
Abstract: With the rapid development of multimedia devices, such as smart phones and tablet PCs, and wearable devices such as neckband speakers are being used increasingly as audio equipment.
Abstract: The transient electromagnetic wave energy conversion near an aperture radiator is investigated. The case of uniform distribution of current in form of rectangular pulse is presented for ...
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