The Sanyo SX-622 is a loudspeaker model manufactured between 1979 and 1981 in Japan. The speaker features a 3-way bass reflex design, which includes a low-frequency driver of 300 mm, a midrange driver of 120 mm, and a tweeter with a 27 mm dome. It has an impedance of 8 Ohms and offers power handling capabilities of 60 W nominal and 120 W maximum for music. The efficiency is rated at 93 dB/W/m, making it relatively sensitive to power. The frequency response of the SX-622 spans from 35 Hz to 20 kHz, allowing for detailed sound reproduction across the audible spectrum. The transitional ranges are set at 1,200 Hz for the midrange and 7,000 Hz for the high frequencies. Unique features of the SX-622 include level controls for adjusting the mid and high frequencies, catering to user preferences in sound production. The exterior color is silver, and the speaker dimensions are 360 mm in width, 630 mm in height, and 280 mm in depth, with a total weight of 14 kg. The original price was approximately 698 DM per pair.