※There was something inside, and when I moved it, it made a rolling sound, but I couldn't take it out. It is currently on sale. There were no problems with making a sound or sweep check. It is a simple, compact superwoofer that can easily reinforce low frequencies. The exterior is dull and has small scratches (Kobayashi Hitoshi)
Maintenance information: 2023.1.9 sound output confirmed
Accessories: original box
Main specifications: anti-magnetic playback frequency band 30 to 200 Hz W280 x H324 x D305 mm 9.15 kg