Edifier R990BT Bluetooth Active Bookshelf Speakers 2.0 (Black)

2.0 Active Multimedia Speaker Quality Sound Performance: Each speaker cabinet houses one 1" silk dome tweeter and one 4" long-throw mid-low driver. The MDF cabinet can effectively diminish resonance and distortion, further guaranteeing the pure reproduction of audio input. Powerful Enough: The digital amplifier can drive 15W to each of the stereo pair and provide DRC (dynamic range control). With 24W (RMS) total output power, the speaker can produce enough sound to fill a medium room. Bluetooth Connection: The Bluetooth V5.4 audio receiver supports the seamless audio streaming with stable connection. Dual RCA Input Ports: Available for the simultaneous connection of two devices with audio cables. Multiple Sound Effects: Three preset sound effects are optional by EDIFIER ConneX App for music, movie, and gaming. With the app, you can also customize your own sound effects to cater to your unique tastes. Works with EDIFIER ConneX App: Download the app and enjoy more functions.     Features: 24W total output power with quality sound 4" long-throw mid-low drivers and 1" silk dome tweeters MDF enclosure minimizing acoustic resonance and distortion Calibrated flared bass reflex port for powerful bass Bluetooth V5.4 audio receiver for seamless music streaming Dual RCA inputs for connecting to two devices simultaneously Multiple preset sound effects for music, movie, and gaming Works with EDIFIER ConneX mobile app for more functions Specifications: Total Output Power (RMS): 12W +12W Signal-to-Noise Ratio: ≥ 85dB(A) Bluetooth Version: V5.4 Driver: Treble: 1-inch, Mid-low: 4-inch Audio Inputs: Bluetooth, Line In 1, Line In 2 Codecs: SBC Frequency Response: 60Hz - 18kHz lnput Sensitivity: Bluetooth: 450±50mFFS, Line In 1: 500±50mV, Line In 2: 700±50mV Dimensions (W x H x D): 140mm x 226mm x197mm (Per speaker) Net Weight: 3.44kg