The JBL L 20 T is a compact bookshelf speaker model that features a 2-way design, which means it has two speaker drivers: a bass driver and a tweeter. This configuration allows the speaker to deliver a balanced sound profile, suitable for a variety of music genres. The speaker is equipped with a 6.5-inch (approximately 16.5 cm) woofer that provides deep bass response, along with a 1-inch (approximately 2.5 cm) soft dome tweeter for clear high frequencies. The cabinet design often includes a bass reflex port, which enhances the low-frequency response. The JBL L 20 T is known for its efficient performance, typically having a sensitivity rating around 88 dB, making it a decent choice for both home audio setups and smaller spaces. It is designed to handle an RMS power of around 60 watts and can accept peaks of around 120 watts. The speaker has an impedance of 8 ohms, making it compatible with a wide range of amplifiers. Aesthetically, the design often features a wood veneer finish, contributing to a classic look that fits well in various interior styles.