[. . . ] X+ 0+ Y2 0 M HZ X + 0 + Y 2 0 M HZ" X + 0 + Y2 THANK YOU FOR CHOOSING JBL For more than 50 years, JBL has been involved in every aspect of music and film recording and reproduction, from live performances to the recordings you play in your home, car or office. [. . . ] Wiring "out of LEFT RIGHT phase" results in thin sound, weak bass and a poor stereo image. LEFT RIGHT + ­ + ­ ­+ Wires RIGHT LEFT ­+ LEFT RIGHT Front or Rear Channel Amplifier/Receiver Outputs Front or Rear Speaker Outputs Connections TROUBLESHOOTING If there is no sound from any of the speakers: · Check that the receiver/ amplifier is on and a source is playing. If there is no sound coming from one speaker: · Check the Balance control on your receiver/amplifier. · Check all wires and connections between receiver/ amplifier and speakers. If the system plays at low volumes but shuts off as volume is increased: · Check all wires and connections between receiver/ amplifier and speakers. · If more than one pair of speakers is being used, check the minimum impedance requirements of your receiver/amplifier. If there is no (or low) bass output: · Make sure the polarities (+ and ­) of the left and right Speaker Inputs are connected properly. S P E C I F I C AT I O N S Control 1Xtreme Low-Frequency Driver: High-Frequency Driver: Frequency Response: Crossover Frequency: Recommended Amplifier Power Range: Sensitivity: Nominal Impedance: Dimensions (H x W x D): Weight (each): 4" (100mm), Shielded 1/2" (12mm) Titanium-laminate, shielded 80Hz ­ 20kHz 4, 000Hz 10 ­ 80 Watts RMS* 89dB 8 Ohms 9" x 6-1/16" x 5-7/16" 228mm x 155mm x 139mm 5. 2 lb/2. 4kg * The maximum recommended amplifier power rating will ensure proper system headroom to allow for occasional peaks. [. . . ] T W E E T E R T Y P E : Titanium-laminate dome W O O F E R T Y P E : Shielded cone C R O S S O V E R N E T W O R K : Straight-Line Signal PathTM (SSP) E N C L O S U R E D E S I G N : Bass reflex P R O F E S S I O N A L R E F E R E N C E : Studio Monitor [. . . ]