Edifier R990BT Bluetooth 5.4 Bookshelf Speakers, 2.0 Active Multimedia Speaker, 24W Output Power, RCA/AUX/Bluetooth Inputs, Digital Audio Processing, MDF Enclosure, App Control, for PC/Smartphone/TV

POWERFUL SOUND: With a combined total output power of 24W (RMS), these desktop speakers utilize a digital amplifier to deliver 15W to each stereo pair while offering dynamic range control (DRC). It generates ample sound to comfortably fill a medium-sized room QUALITY SOUND PERFORMANCE: Each speaker cabinet houses one 1-inch silk dome tweeter and one 4-inch long-throw mid-low driver. The calibrated speaker bass reflex port provides powerful bass MDF ENCLOSURE: The MDF cabinet can effectively diminish resonance and distortion, further guaranteeing the pure reproduction of audio input UPGRADE BLUETOOTH V5.4: The Bluetooth V5.4 audio receiver enables smooth audio streaming with a stable and reliable connection. Note: If encountering wireless interference (e.g., from routers or microwaves), simply move the speaker away from the source to restore seamless connectivity and enjoy uninterrupted music playback DUAL RCA INPUT PORTS: These PC speakers support simultaneous connection of two devices via RCA audio cables, allowing you to enjoy seamless audio playback from two sources at once MULTIPLE SOUND MODES: The EDIFIER ConneX App offers three tuned preset sound effects: Music, Movie, and Gaming, optimized for different listening experiences. With the app, you can also personalize your own sound profile and create custom audio effects, perfectly tailored to your preferences EASY CONTROL: The Edifier R990BT speakers come with a manual, providing detailed instructions for Bluetooth pairing, R990BT active and passive speaker connection, etc. Enjoy effortless setup and instant access to premium sound quality—no complicated steps required, perfect for beginners to get started quickly