Type: SP-150 Amplified speaker and S-meter unit 
Max ouput power: 10 W 
Impedance: 4 ohms 
Frequency response: ?-? Hz 
Filter response: High pass: 500 Hz fixed 6 dB/octave (500 Hz -6 dB, 300 Hz -20 dB)
Low pass: 0.8-6 KHz variable 24 dB/octave (2.5 KHz -6 dB, 7 KHz -40 dB)
Notch: 0.4-4 KHz variable >40 dB (BW: 100 Hz -6 dB, 15 Hz -20 dB) 
Voltage: 11-15 VDC 
Current drain: 500 mA 
Dimensions (W*H*D): 185*80*175 mm 
Weight: ? Kg 
Manufactured: 1994-199x 
Other:  
Related documents: User manual (231 KB)