Aperion Audio Allaire Powered Bluetooth Computer Desktop Speakers, 2.0 Active Near Field Monitors, Studio Monitor Speaker, Wooden Enclosure (Pair Stealth Black) Built in Bluetooth 4.0 with aptX for crystal clear wireless audio clarity, Multi-purpose connectivity with Optical (PCM) input, analog input and Subwoofer output, USB power jack for charging your mobile device while you listen STUDIO SOUND QUALITY - Natural sound reproduction from 20 mm silk dome tweeter and 4.25 inch Mid-bass unit, High quality MDF cabinet with magnet grille HIGH QUALITY ALUMINUM REMOTE CONTROL - Adjust everything at your figure tips. Sensitivity: 88dB 1W/1M, Frequency Response: 60Hz-25kHz (Typical In-Room), Dimensions Per Speaker:8 5/8" H x 6" W x 6 3/4" D, Impedance: 4 Ohms; Power: 2x50 W Digital Class D amplifier 1 YEAR WARRANTY - Guaranteed high quality and reliability with hassle-free parts and labor warranty for one years in USA and Canada. 9ft 14 gauge oxygen free speaker wire with gold plated banana plugs for the best sound and easiest connection 3 ft Optical cable for easy connection of your digital devices 3 ft 3.5mm gold plated stereo mini cable 3 ft 3.5mm gold plated stereo mini to RCA cable