Edifier M1370BT 2.1 Bluetooth Multimedia Speakers - Bluetooth/5inch Super Bass Driver/Front facing Bass Reflex Port/3.5mm AUX/RCA Bluetooth Connectivity 5 inch super bass driver Front facing bass reflex port TOTAL POWER OUTPUT:RMS 8W x 2 + 18W SNR:≥85dBA INPUT SENSITIVITY:R/L: 450 mV±50mV SW: 100 mV±20mV BASS UNIT:5 inch (131mm), magnetically shielded, 8Ω TWEETER / MID-RANGE:2¾ inch (73mm), magnetically shielded, 4Ω DIMENSION:Satellites: 90 mm x 158 mm x 100 mm (WxHxD) Subwoofer: 164 mm x 192 mm x 278 mm (WxHxD) WEIGHT:Approx. 4.1kg/4.83kg net/gros