RARE Hard To Find Pair of Klipsch Reference Premier RP-140WM Wireless Bookshelf Speakers.Comes with power cords for the speakers (not pictured). See photos for condition as they are part of the description. Klipsch Spec Sheet:https://d2um2qdswy1tb0.cloudfront.net/spec-sheets/RP-140WM-Spec-Sheet.pdf?v=1718395050 Requires HD Wireless Control CenterOne 4.5 Cerametallic cone wooferOne 1” titanium LTS tweeter90° x 90° Tractrix HornCustom designed internal amplification systemWireless connection to Klipsch HD Control Center HIGH DEFINITION WIRELESS AUDIO Award winning Reference Premiere HD Wireless speakers and HD Control Center are a combination of the acclaimed Reference Premiere acoustics platform with lossless wireless audio transmission. Through the use of state of the art WiSA technology, not a single detail is lost from the source to the speaker. HIGH EFFICIENCY DSP CONTROLLED AMPLIFICATION Separate ultra-low noise amplifiers are custom designed for each driver to maximize performance. SIMPLE SET UP Be immersed in high definition sound in a matter of minutes. With Klipsch’s proprietary Smart Speaker Selector, one button on the rear of each speaker seamlessly makes the connection to the HD Control Center without the need for speaker wire or a complicated A/V receiver. 90X90 TRACTRIX® HORN Creating the cleanest, most natural sound possible, Klipsch proprietary Tractrix® Horn technology utilizes a circular horn throat paired to a square horn mouth to further improve high-frequency response and extension, while enhancing imaging and dynamics. The compressed molded rubber construction adds high frequency damping to reduce harshness and improve detail. LINEAR TRAVEL SUSPENSION (LTS) TITANIUM TWEETER A Linear Travel Suspension minimizes distortion for enhanced, detailed performance. LTS Tweeters have been a hallmark of previous Reference lines, as well as our flagship Klipsch Palladium series, making it a core component of some of the best speakers in the world. SPUN COPPER CERAMETALLIC WOOFERS Cerametallic woofer cones maintain exceptional rigidity while their lightweight construction minimizes cone breakup and distortion. Pairing them with Tractrix Horn-loaded LTS tweeters creates acoustic systems with the highest efficiency in their class. STRONG, FLEXIBLE, REMOVABLE GRILLE Attaches magnetically for an elegant transition from powerful showstopper to discrete performance piece. LOW POWER STANDBY Exceptional efficiency whether your speaker is on or in standby mode. SPECIFICATIONS FREQUENCY RESPONSE 56 Hz - 25 kHz AMPLIFIER POWER (CONT/PEAK) 50W/100W CROSSOVER FREQUENCY 1.8 kHz HIGH FREQUENCY DRIVER 1” Titanium LTS Tweeter with Hybrid Cross-Section Tractrix Horn LOW FREQUENCY DRIVER 1 x 4.5” Cerametallic Cone Woofer WIRELESS TECHNOLOGY WiSA wireless technology Up to 24 bit / 96 kHz LATENCY ?5mS ENCLOSURE MATERIAL MDF ENCLOSURE TYPE Bass Reflex via rear-firing Tractrix port HEIGHT 13.1 (331.6mm) WIDTH 7.2 (181.6mm) DEPTH 11.0 (278.7mm) WEIGHT 13.0 lbs each (5.9kg) FINISH Brushed Black Polymer Veneer BUILT FROM 2015