The Audioengine Studio Monitor Speakers A5+ in classic black are high-quality 2.0 channel speakers designed for professional audio monitoring. With a 5-inch woofer and integrated amplifier, these wired speakers offer 50W RMS power and a frequency response of 80Hz to 20kHz. The rectangular-shaped speakers also feature bass reflex technology, volume control, and are compatible with RCA and 3.5mm jack audio inputs. Perfect for home offices or studio setups, these Audioengine speakers are a reliable choice for accurate audio reproduction.