Edifier R1280T - Lifestyle Bookshelf Speakers Brown - 3.5mm AUX/Dual RCA, 42W, MDF Wooden EnclosureFeaturesActive bookshelf speaker system with 42W total power outputDual RCA inputs for connectivity to multiple audio sourcesBass, treble and master volume dials located on the side panelWireless remote control for volume adjustment and muteCalibrated, flared front-facing bass reflect port100% MDF wooden enclosures to minimize acousticesonanceUniversal 100V-240V power supplyPower Output: RMS 21W × 2Signal to noise ratio: ≥85dBAFrequency response: 75Hz-18KHz (+/-9dB)Input sensitivity: LPC: 750mV ± 50mV Aux: 550mV ± 50mVInput type: RCA - 3.5mm Auxiliary, RCABass driver: 4', 6Ω, with bass reflection portTreble driver: 13mm silk dome tweeter, 4Ω