QCY launches SP300 retro Bluetooth speaker with 80W output, LDAC and 20h battery

QCY launches SP300 retro Bluetooth speaker with 80W output, LDAC support, 20h battery, wooden body, and stereo pairing.
eCoustics

DALI KUPID Review: A Compact Danish Speaker That Sounds Bigger and Less Polite Than It Looks?

Everything is anchored by a 2-way crossover set at 2,100 Hz, with a bass-reflex alignment tuned to 53 Hz. On paper, DALI rates the KUPID at 63 Hz–25 kHz (±3 dB) with a maximum SPL of 103 dB, which is ...
eCoustics

Are Audiophiles Really Flocking Back to CDs? Pro-Ject’s CD Box RS2 Tube Seems to Think So

Pro-Ject’s CD Box RS2 Tube doubles down on Red Book CDs with a balanced tube stage—no SACD, no digital inputs, and a $2,300 ...
IEEE

Improving Object Detectors by Exploiting Bounding Boxes for Augmentation Design

Abstract: Recent advancements in developing pre-trained models using large-scale datasets have emphasized the importance of robust protocols to adapt them effectively to domain-specific data, ...
What Hi-Fi? on MSN

I've tested countless home cinema sound systems this year, and these subwoofers stood out as the MVPs

But as we reach the end of 2025, I'd like to recognise subwoofers as this year's MVP (most valuable player) for all they have ...
IEEE

Grey Wolf Optimizer and Discrete Chaotic Map for Substitution Boxes Design and Optimization

Abstract: A metaheuristic approach based on the nature-inspired and well-known Grey Wolf Optimization algorithm (GWO) was employed in this study to design an approach for retrieving strong designs of ...