The Onkyo Scepter E-503 A is a speaker model that features a 3-way design, which helps in delivering a balanced sound across various frequencies. It incorporates a 12-inch woofer capable of producing deep bass, a 5-inch mid-range driver for clear vocals and instruments, and a 1-inch tweeter for crisp high frequencies. This speaker is designed to handle a wide range of audio input, making it suitable for various listening environments. Its construction includes a robust MDF cabinet which reduces resonance and helps in providing a cleaner sound. The crossover frequency is carefully tuned to ensure smooth transitions between the drivers. The impedance is typically around 8 ohms, which allows for compatibility with a variety of amplifiers. With an output power rating that can handle around 100 watts, the Scepter E-503 A offers a solid performance suitable for both music and home theater applications.