※There is no problem with operation, but since it is cheap, it will be delivered as is. Onkyo subwoofer with built-in amplifier. It's a small and affordable subwoofer, so it seems easy to play with. There are abrasions, dullness, etc. on the exterior. Serial 5171934552 (Yonejima Satoshi)
Maintenance information: 2023.7.18 good sweep test
Accessories: none
Main specifications: bass reflex type anti-magnetic design with built-in amplifier, maximum output 75 W, frequency characteristics 27 Hz to 200 Hz (during FILTER), 27 Hz to 1.5 kHz (during DIRECT), high cut filter variable (50 to 200 Hz), W255 x H403 x D447 mm 15.6 kg