The Infinity Reference 81 II is a floor-standing loudspeaker designed to deliver a balanced audio experience for both music and home theater applications. Featuring a 3-way design, it includes a 1-inch silk dome tweeter for high frequencies, dual 5.25-inch mid-range drivers for clear vocal and instrumental reproduction, and dual 8-inch woofers that provide deep bass response. The speaker uses a rear-firing bass port to enhance low-frequency performance. Constructed with a stylish cabinet that is available in various finishes, the Reference 81 II is designed to fit into a variety of home decors. Its sensitivity rating is approximately 90 dB, allowing it to work effectively with a range of amplifiers. The nominal impedance is 8 ohms, ensuring compatibility with most audio systems. Overall, the Reference 81 II combines performance and aesthetic appeal, making it a suitable choice for audiophiles seeking an immersive listening experience.