Edifier MR4 42W Studio-Ready Active Nearfield Monitor Speakers with Balanced TRS Inputs, RCA and 3.5mm Stereo Plugs, Bookshelf Speakers, Pair of 2 -

It features a 1-inch (approximately 25mm) tweeter unit and a 4-inch (approximately 106mm) mid-bass unit, and delivers 42W (21W + 21W). Its frequency response is 60Hz - 20KHz, and it offers three input terminals: TRS balanced, RCA unbalanced, and AUX. The cable lengths are approximately 1.6m for the power cable, 2.4m for the speaker connection cable, 1.7m for the RCA to 3.5mm stereo mini plug cable, and 1.7m for the 3.5mm stereo mini plug cable. The overall dimensions are (W)140x(D)170x(H)228mm, and it weighs approximately 4.5kg (per unit). The input terminal sensitivity is TRS: +4dBu, RCA: -10dBV, and AUX: -10dBV. The power supply is compatible with 100 to 240V 50/60Hz. Includes include the speaker unit (1 set), speaker connection cables, RCA to 3.5mm stereo mini plug cable, 3.5mm stereo mini plug cable, user's guide (multilingual), and warranty card.