Philips Audio TAV5457 Multimedia Speakers 4.1 ChannelThis Philips speaker has 55W RMS total output power. RMS refers to Root Mean Square which is a typical measurement of audio power, or rather, the electrical power transferred from an audio amplifier to a loudspeaker, which is measured in watts. The amount of electrical power delivered to the loudspeaker and its sensitivity determines the sound power that is generated. The higher the wattage, the better the sound power emitted by the speaker.Thanks to the complete file transferability, you can easily enjoy the convenience and fun of accessing more digital music via the built-in USB Direct. We Only Sell 100% Original, Top-Quality PhilipsGenuine Products. We Only Sell 100% Original, Top-Quality PhilipsGenuine Products.Specifications⚡GeneralBrand: PhilipsModel Name: TAV5457Type: Multimedia SpeakersBluetooth: YesImpedance: 4 ohmSubwoofer: 1⚡Power FeaturesPower Output: 55 W⚡Product DetailsConfiguration: 4.1 ChannelBuilt-in Fm Radio: YesFrequency Response: 35Hz-20KHzDriver Type: Subwoofer driver: 5 1/4"Compatible Devices: Perfect for MP3, PC, TV & moreSold By: MM Distributors⚡WarrantyWarranty Summary: 1Year