Rockville 5.25" 2-Way 250W Active/Powered USB Studio Monitor Speakers Pair (APM5C) Rockville APM5C 5.25&quot; 2-Way 250 Watt Powered USB Studio Monitor Speakers &nbsp;in Classic Wood Finish ( Pair). 125 Watt RMS. Two-Way Active Studio Monitor Speaker System. Quad Amp Design: Each Driver Features Frequency Specific Independent Amplifiers. The enclosure is 0.5&quot; thick while the front board of it is a full 1&quot; thickness to give you the ultimate best sound quality! Comes in 3 enclosure finish options Wood finish painted black. Wood finish painted white. Wood finish with vinyl front board Full Range Class &quot;D&quot; Amplifier Circuitry with Auto-Switching Power Supply. LED Power on Indicator on Rear Panel&nbsp;. Ferro Fluid Enhanced&nbsp;3/4&quot; Neodymium Silk Dome Tweeter With Metal Grill Protection. Tweeter has&nbsp;3/4&quot; voice coil diameter 110 Volt compatible with SMPS technology. Every Speaker in Production Undergoes a Computer Generated Sound Check Test to Ensure it Upholds to our Specifications and Standards&nbsp;. We use a &quot;6Sigma&quot; style Quality Assurance of Each Product Transducer Production Line to Make the SPL Performance Stable. One Complete Pair with Mater / Salve Output Connection with Included Noise Rejection Cabling Inputs / Outputs / Controls: Volume control. Bass/Treble Control -4dB to 4dB (allows you to adjust high and low frequency independently). 1/4&quot; and XLR combo input jack. High Speed USB jack. RCA &nbsp;input. 3.5mm Headphone output. Details: Certification: CE and RoHS Compliant. Amplifier: Class D, very efficient amplifier with top components! (ADI--ADAU1701, TI--TPA3116, SMPS). System Impedance: Tweeter 6 Ohm.&nbsp;Woofer 4 Ohm. Signal to noise ratio: 90dB (Maximum output with THD+1&lt;1%, A-weight). Max SPL: 100dB @ 1w/1m. THD: 0.10%. Frequency Response: 50Hz - 20 kHz. 250 Watts peak output per pair. 125 Watt RMS output per pair. Each speaker produces 125 watts peak and 62.5 watts RMS. Input voltage: 120V. Components:&nbsp;3/4&quot; silk dome tweeter and 5.25&quot; woofer with rubber surrounds and polypropylene cone. Product Size (Single): (W*H*D): 7.4'' inch x 11.34'' inch x 9.76'' inch. Shipping Dimensions: (W*H*D): 24.1'' inch x 13.54'' inch x 10.7'' inch. Net Weight (Pair): 15.4 LBS.Shipping Weight (Pair): 18.37 LBS. Includes speaker linking cable and power plug.Input Impedance (Ohms): 10 K Ohm Balanced.System Volume: (-30dB to +6dB)