ST-Standard Triangle 2500 Subwoofer 2.1

Brand: ST-Standard Model: Triangle 2500 Type: Subwoofer Channels 2.1 Power Connectivity: Wired Remote Control Unit: Yes Support (AUX - USB - SD - Bluetooth - FM - Optical) Master Volume: Yes Built In LED Light Radio FM With Antenna Built in Powerful Amplifier Deep Base Firing Sub-Woofer S/N Ratio: 72db Frequency Response: 40Hz-150Hz (Subwoofer), 150Hz-20 KHz (Satellite) Impedance: 6Ω (Subwoofer)+4Ω (Satellite) Output Power: 15W (Subwoofer)+ 5W (Satellite)×2 Compatible With: Multi Devices Speaker Unit: 3-inch x 2, Subwoofer: 4-inch x 1