Features • 2.0 Bluetooth multimedia speaker system • Φ19mm silk film tweeter and 4-inch Nomex diaphragm mid-range bass drivers • 70W RMS high power output without distortion • Precise electronical crossover based on DSP technology • Bluetooth 5.0 technology ensures stable connection • Optical, Coaxial, Line in 1 and Line in 2 audio inputs available • Wireless remote control for easy operations • Sub-out output works with external subwoofer Total Output Power (RMS) 19W × 2 + 16W × 2 Signal-to-Noise Rate ≥ 80dB (A) Bluetooth Version V5.1 Dimensions (W x H x D) 155mm × 254mm × 223mm Frequency Response 60Hz - 20kHz