The Onkyo D-77 FX is a speaker model from Onkyo, designed primarily for music enthusiasts who appreciate detailed audio performance. These speakers incorporate advanced materials and technologies to ensure high-quality sound reproduction. The D-77 FX features a two-way speaker design, consisting of a 25mm soft dome tweeter and a 16cm woofer, allowing for rich midrange and clear highs. The cabinet design minimizes resonance, contributing to cleaner sound. The nominal impedance of the speakers is typically 6 ohms, making them compatible with a variety of amplifiers. The frequency response spans from approximately 45Hz to 50kHz, providing a broad range that captures both low and high frequencies effectively. Additionally, the speakers are designed for both bookshelf and floor-standing setups, with a classic aesthetic that fits various interior decors. The overall sensitivity rating is around 87dB, making them reasonably efficient and capable of producing loud volumes without significant distortion. These speakers are often praised for their ability to deliver a balanced sound profile, making them suitable for a range of musical genres.