The Pioneer DSS-9 is a 3-way loudspeaker model produced between 1985 and 1987. It features a bass reflex design and is equipped with three speakers, including a 300 mm cone woofer, a 120 mm cone midrange driver, and a ribbon tweeter. The overall dimensions of the speaker are 381 mm in width, 686 mm in height, and 356 mm in depth, with a weight of 25.9 kg. The nominal power handling is rated at 80 Watts, with a maximum power handling capability of up to 300 Watts. The efficiency is rated at 91 dB per watt per meter, and it has an impressive frequency response range that spans from 30 Hz to 50 kHz. The transitional ranges are at 650 Hz and 4 kHz, and its impedance is rated at 6 Ohms. A unique feature of the DSS-9 is its mirrored loudspeaker arrangement, which is designed to enhance audio performance. The original pricing of the speaker was approximately 450 US dollars or 990 Deutsche Marks.
