0kHz Frequency Response 100Hz ­ 20kHz Sensitivity 89dB @ 1 watt/1 meter Impedance 8 ohms nominal Recommended Power** 10 ­ 70 watts Dimensions (HxWxD) 6 x 16 x 6-1/4 inches 152 x 406 x 159mm Weight 9 lbs/4. 1 kg Shipping Weight 19 lbs/8. 7 kg *The customer is responsible for proper selection and use of mounting hardware, available through hardware stores, to properly and safely wall-mount the speakers. This product is not intended for ceiling mounting. **The maximum recommended amplifier power rating will ensure proper system headroom to allow for occasional program peaks. We do not recommend sustained operation at these maximum power levels. Occasional refinements may be made to existing products without notice, but will always meet or exceed original specifications unless otherwise stated. Warranty ­ For warranty information outside the U. please contact your local distributor. JBL 5-Year Limited Warranty This is an important document. Attach your bill of sale to this page and keep it in a safe place. Your bill of sale is your warranty. The JBL warranty on loudspeakers (except enclosures) remains in effect for five years from the date of the first consumer purchase. Enclosures are warranted for two years from the date of the first consumer purchase. Who is protected by this warranty The JBL warranty protects the original owner and all subsequent owners providing that the JBL product was purchased from an authorized dealer in the United States or purchased by military personnel from an authorized military outlet. A copy of the original dated bill of sale must be presented whenever warranty service is required. For warranty policy outside of the U. , please contact your local distributor. What is covered by this warranty Except as specified below, the JBL warranty covers all defects in material and workmanship...