XTS-36 Mini Speaker (400-1994) Specifications Faxback Doc. # 32644 OVERALL: Frequency Response: ....................................... 140 Hz - 20 kHz System Resonance: ..................................... 210 Hz +/- 20% / 1V Impedance: ......................................... 8 Ohms @ 400 Hz +/-15% Power Capacity: ................................................ 15 W (Max) Sound Pressure Level: ...................................... 88 dB +/- 2 dB Dimensions (HWD): ........................................ 145 x 95 x 93 mm WOOFER: Diameter: .............................................................. 3" Resonance: ......................................................... 121 Hz Voice Coil Impedance: ..................................... 8 Ohms @ 700 Hz (br-4/25/96)