M601DB Active Bookshelf Speaker System with Wireless Subwoofer Specifications Total watts (peak): 220W Total watts (RMS): 110W (R/L: 20W+20W SW: 70W) Frequency response R/L: 140Hz-20KHz SW: 50Hz-170Hz Audio inputs: Line In, AUX, Optical, Coaxial, Bluetooth Enjoy your movies, games, and shows in a way you've never experienced before. The active speaker has been paired with the subwoofer before leaving the factory. The wireless connection is supposed to resume automatically when both the active speaker and subwoofer are powered on. And there is a top-mounted 3-color indicator that clearly indicates audio inputs. • Volume down button • Power on/off / mode switch / mode indicator Press: mode switch Bluetooth: blue light flashes AUX: green light flashes once Line In: green light flashes twice Optical: red light flashes once Coaxial: red light flashes twice Press and hold: power on/off • Volume up button Classic Wooden Enclosure The wooden enclosures can help to minimize acoustic resonance and provide a clean appearance. Bluetooth V5.1 with Qualcomm AptX Transfer high-quality audio sound from your Bluetooth-enabled devices wirelessly and quickly. Great Deep Bass with Wireless Subwoofer 1/2inch (Φ19mm) tweeter, 3.5-inch (92mm) mid-range driver, and 8-inch (210mm) subwoofer for an impressive overall sound. 220W Peak Power Crank up the sound with a total of 220W peak power and 110W RMS (R/L: 20W+20W SW: 70W), the sound quality is guaranteed as solid as ever. Versatile Connectivity Line In, AUX, Optical, Coaxial, Bluetooth5.1 with Qualcomm aptX connection options to connect to almost any type of device you have. Easy Control Infrared remote control and top panel control for easily adjust the volume, switch modes, power on/off the speaker, etc.