The JBL L 166 Horizon is a vintage loudspeaker model that is part of JBL's legacy of audio equipment. It features a 12-inch woofer, a 5-inch midrange driver, and a 3-inch tweeter, providing a wide frequency response. The cabinet design is typically ported for enhanced bass response, and the speaker is known for its exceptional clarity and rich sound quality. The frequency response generally ranges from 30 Hz to 20 kHz, allowing for deep lows and clear highs. The speaker's impedance is usually around 8 ohms, making it compatible with a variety of amplifiers. The L 166 Horizon often comes with a wood veneer finish, which adds to its aesthetic appeal. These speakers were designed to cater to audio enthusiasts seeking a robust soundstage and excellent build quality, making them a favorite among collectors and vintage audio fans.