Bringing back old school design with the latest technology. The R1855DB is an active 2.0 bookshelf speaker system designed at a 10-degree angle to accurately direct sound to you in the luxurious MDF wooden enclosure geared to minimise acoustic resonance. The subwoofer output produces quality sound and performance. The bass vibrates any room or space it inhabits, creating an ideal atmosphere for entertainment. The R1855DB is classic and fun with the latest Bluetooth technology allowing playtime from phones, tablets or laptops. When thinking of the R1855DB bookshelf speakers the first thing that comes to mind is balance; the perfect balance of function and design. The R1855DB comes with a fully featured remote for the set of bookshelf speakers. Adjust the volume, switch inputs, mute the speakers and control Bluetooth connected playback all from your fingertips. The design of the remote with its modern sleek feel puts the power in your hands. Its easy to use and fits right in the palm of you hand providing the ultimate comfort. Edifier makes it easy on you with the simple remote commands for the R1855DB bookshelf speakers. Inputs are accessible with clear and concise functionality complimenting the manual. Every aspect of Edifier’s R1855DB bookshelf speakers are designed with purpose. The medium-density fibreboard [MDF] enclosure reduces distortion and minimises acoustic resonance. The base of the speaker is angled at a 10-degree incline for dynamic precision and delivery. The design of the angle directs sound from the woofers right to your ears producing 70 watts of balanced quality tunes. Edifier’s R1855DB active bookshelf speakers are a stand out in both categories of style and performance. Its 4-inch midrange/woofer speaker drivers create rich lows. Meanwhile, the treble units produce clear highs. A perfectly tuned bookshelf speaker to suit your needs.FREQUENCY RESPONSE 60Hz-20KHz TOTAL POWER OUTPUT:RMS 16Wx2 + 19Wx2 SIGNAL TO NOISE RATIO: 85dBA TOTAL HARMONIC DISTORTION:0.5% INPUT SENSITIVITY:PC:700±50mV AUX: 550±50mV TWEETER: Φ19mm silk dome, 6ohm SUBWOOFER: 4"Φ116mm 6ohm Length (cm): 44.5 Width (cm): 30.5 Height (cm): 19.5 Net Weight (kg): 7.70 Gross Weight (kg): 16.10 Pieces per box: 2