OK-450
| width | 600mm | 
| length | 420mm | 
| height | 380mm | 
| power | 300W | 
| peak power | 450W | 
| frequency range | 20~20Hz | 
| sensitivity | 88dB | 
| impedance | 8Ω | 
| treble unit | 3.5" x 1 | 
| midrange unit | 8" x 1 | 
| width | 600mm | 
| length | 420mm | 
| height | 380mm | 
| power | 300W | 
| peak power | 450W | 
| frequency range | 20~20Hz | 
| sensitivity | 88dB | 
| impedance | 8Ω | 
| treble unit | 3.5" x 1 | 
| midrange unit | 8" x 1 |