This listing is for a pair of Optimus Pro X5 satellite speakers, catalog # 40-2070. These are in the gray finish. 

 Speakers have been tested & are in excellent working condition & good cosmetic condition for their age. Woofers & tweeters are in excellent condition.

 Impedance is 8 ohms & power handling is 15W RMS, 30W Peak. 

 Speakers measure 6.5" tall by 3 7/8" wide by 4" deep (with grill).