The Onkyo SC-350 is a loudspeaker model that was manufactured in Japan in 1987. It features an acoustically damped 3-way box design, which contributes to its sound quality and performance. The speaker is equipped with a 200 mm woofer for deep bass, a titanium dome midrange driver, and a dual tweeter setup that includes a 30 mm super tweeter and a 19 mm tweeter, allowing for a wide frequency response and clarity in sound reproduction. It has an impedance rating of 6 Ohms, suitable for a variety of amplifiers. The nominal power handling is rated at 40 watts, while it can handle music power up to 80 watts. The efficiency is rated at 89 dB/W, indicating its capability to produce sound effectively from the input power. The frequency response range extends from 45 Hz to 30,000 Hz, covering both deep bass sounds and high-frequency details. The speaker comes in a black color and has dimensions of 240 x 400 x 210 mm, making it compact enough for various audio setups.