The Onkyo SC-11 SUB is a combination subwoofer and satellite speaker system that was produced in the early 1990s. It features a bandpass design, delivering powerful low-frequency response and clear high frequencies. The subwoofer is equipped with a 160 mm woofer that handles deep bass, while the satellite speakers include a 120 mm mid-range and a 25 mm tweeter for high-frequency reproduction. This system has an impressive frequency response range from 35 Hz to 32,000 Hz, allowing for a broad spectrum of sounds. The nominal power handling capacity is rated at 70 watts, with a music power rating of 140 watts, providing sufficient output for home audio setups. With an efficiency rating of 85 dB/W/m and impedance at 4 ohms, the SC-11 SUB can be integrated with various amplification setups. The dimensions of the subwoofer are 221 x 909 x 342 mm, while the satellite speakers measure 182 x 271 x 199 mm, adding a compact yet powerful presence in audio systems. The system is finished in a sleek black ash veneer, enhancing its aesthetic appeal. Overall, the SC-11 SUB was designed to provide quality audio performance in a home theater setting, delivering immersive audio experiences.