※This item is sold as it is. A Yamaha superwoofer equipped with a 20 cm x 2 double woofer. Equipped with active servo technology and a 150W high-power amplifier, it makes a small yet voluminous bass sound. Exterior, dullness, abrasions, and bruises can be seen (Oikawa Tetsuji)
Maintenance information: 2023.12.2 operation confirmed
Accessories: none
Main specifications: Unit used: 20 cm cone type x 2, rated output 150 W (5 Ω), playback frequency band, 20 Hz to 160 Hz, high cut filter, 40 Hz to 140 Hz, continuously variable W235 x H602 x D463 mm, 20 kg