Starke Sound’s new AD4.320 4-channel power amplifier ($1,399) uses a home-grown Class D amplifier module combined with an old-school linear power supply. It can be bridged for up to 650 watts!

In the bad old days of surround sound, it took patience, perspiration, and proficiency with sound systems to install a home theater sound system. Thankfully, those days are long gone as evidenced by ...

Due to their small physical size and high energy efficiency, Class D amplifiers have become fixtures in smartphones and battery-driven artificial intelligence (AI) speakers, where space and power are ...

The TCL Q6310 is an affordable, feature-packed 3.1 soundbar that outperforms its price with room-filling audio and thumpy bass. Though light on fancy extras, it nails the basics with clear, balanced ...