The Pioneer CS-411 is a bookshelf speaker manufactured by Pioneer between 1975 and 1977 in Japan. It features a bass-reflex design, ensuring a robust sound profile. The speaker system is a 2-way setup that includes a 250 mm (10 in) cone type woofer and a 94 mm (3.7 in) cone type tweeter. It has a frequency response ranging from 50 Hz to 20,000 Hz, making it capable of reproducing a wide range of audio content. The nominal impedance of the CS-411 is 8 ohms, and it boasts a sensitivity rating of 93 dB (1W/1m). With a nominal power handling of 15 watts and a maximum music power handling capability of 30 watts, this model delivers considerable audio performance. The crossover frequency is set at 4,000 Hz, allowing for effective separation of audio frequencies between the woofer and tweeter. The speaker dimensions are 570 mm in height, 320 mm in width, and 280 mm in depth, with a weight of 8.7 kg. The original retail price was approximately 120 US dollars. The CS-411 features a distinctive aesthetic with a walnut finish and a front with a chrome edge. This model is part of a series that includes the Pioneer CS-311, providing options for users in search of quality bookshelf speakers during this era.
