2.1 Channel speaker box

2.1 Channelspeaker box FeaturesSimple integration of exterior design, with independent intellectual property rights;High gloss black panels, delicate process, highlighting the luxury;MDF wooden box, separated into three independent speaker chamber, effectively avoid speaker resonance;MP3/WMA Dual decoding master chip;Automatically search and read and play SD / MMC cards and USB disk MP3/WMA music format, support multiple subdirectories;FM stereo radio;LED display;Full-function infrared remote control;Inserted after the first play function;Breakpoint memory;Digital volume control knob;Class-A/B amplifier;4-inch subwoofer speakers, Powerful bass;L/R channels in a 3-inch full range speaker, alto sweet, clear treble;With charging status indicator, the use of more convenient;With a standard Mini USB charging port, supports MP3 / MP4 / mobile phone chargers charge for this product. Support with USB port based products ( computers / AV appliances ) charge for this product. Purpose is more environmentally friendly.With the standard 3.5 stereo audio inputs, Can be connected MP3/MP4 player / computer / phone to play music;With a standard 3.5 stereo audio output terminal, you can connect headphones;External power adapter.SpecificationsAcoustic system:Speaker System: Associate Professional 2.1 channel stereo speaker systemSystem Type:Road-oriented systems of fourth orderConfiguration:4-inch woofer, 3 inch full range speakerFrequency Range: 80Hz 18KHzSensitivity: 85dB (2.83V/1m)Rated impedance: 4ΩPower range: 10 25WAmplifier unit system:Rated Power: 15W + 3W x 2 RMSSeparation: ≥ 49dBSNR: 74dBDistortion: THD ≤ 10%Input Sensitivity: AUX ≤ 500mVInput impedance: 32KΩFM stereo radio; LED display;