The Sony WA-55 is a compact bookshelf speaker that combines style with performance. It features a sophisticated design, making it suitable for various interior aesthetics. This model is equipped with a 5.25-inch woofer, which delivers robust bass response and a 1-inch tweeter for clear high-frequency reproduction. The WA-55 is capable of handling a wide frequency range, typically from around 50 Hz to 20 kHz, which helps in producing a balanced sound profile for different genres of music. The speakers have a nominal impedance of 6 ohms, allowing them to be used with a variety of amplifiers. Additionally, the WA-55 includes a rear bass reflex port that enhances low-end extension. The build quality is notable, featuring durable materials that contribute to the longevity of the product. It is often favored by audiophiles looking for speakers that offer great sound in a more compact package.