2012 New Professional Loud Sound Electronic Bar Design Promotional Whistle
Specifications Promotional Whistle 1Two different whistle tones 2 With lanyard 3 Anti-split protection 4 Large volume output Promotional Whistle
Specifications Promotional Whistle 1Two different whistle tones 2 With lanyard 3 Anti-split protection 4 Large volume output Promotional Whistle
Specifications 1.Using airplane technology to minimize sound, quiet bar. 2.Fashionable&Beautiful. 3.sevesal ways to install for different car
Specifications PA66GF25 thermal barrier strip 1.heat and sound insulation 2.high mechanical strength 3.energy-saving, environment protection polyamide PA66GF25 thermal barrier strip has high mechanical strength, high heat and sound insulation, high precision in size.Product features1. high mechanical strength, able to connect with hardware fittings when bearing draw and shear stress;2. thermal expansion coefficient close to that of aluminum profiles, ensuring the thermal barrier strip tightly combined with the aluminum profiles under a large temperature difference;3. high heat insulation satisfactory for further surface treatment of the aluminum profiles;4. high precision in size, can develop different types of thermal barrier strips according to client’s requirements.5. High corrosion-resistance, weather-resistance, heat-resistance, alkali-resistance and long life of usage;6. superior anti-chemical corrosion performance.7. energy conservation and environment-friendly products8.
Specifications 8X10W 4 in 1 led mini beam moving head bar light a light source:8*10w led b DMX512,master-slave,auto movement,sound control 8X10W 4 in 1 led mini beam moving head bar light • Voltage:AC200-240V 50HZ• Light source:8pcs of 10w led, 4 in 1 l(imported cree led)• Control signal:DMX512,master-slave,sound control or auto movement• Control channel:12CHs• Power consumption:150W• Product size:106.4*8.4*18cm• Package size:1165*17*22cm• N.W:7.5KG G.W:8KG
Type: Ceiling Tiles,ceiling grid component Place of Origin: Jiangsu China (Mainland) Brand Name: HUILON/OEM Model Number: HL-CS-016 Function: Fireproof,Heat Insulation,Smoke-Proof,Sound-Absorbing Feature: Artistic Ceilings,low carbon Ceiling Tile Shape: Grid Certification: ISO9001:2008 Style: steel t bars Packaging & Delivery Packaging Detail: 1.standard export package 2.steel t bars. Delivery Detail: 15 Days Specifications 1.Decorative ceiling material 2.Together with mineral fiber board 3.Low carbon 4.Environment friendly Steel t bars steel t bars Main features:(1) Ceiling T grids are made of galvanized steel and prepainted steel. This production can be made of different size which is according to different size of ceiling board. (2)Ceiling T grids has many advantages, include: beauty, good strength, cauterization resistance, and rust resistance. (3) Ceiling t-grid / keel together with mineral fiber board used to make ceiling for offices, shops and other places. specificationsC
Place of Origin: Guangdong China (Mainland) Brand Name: MVM/QH or OEM Model Number: F-215 Colour: Black Packaging & Delivery Packaging Detail: Durable Carton or Flight Case Delivery Detail: About Seven Days after Recieving Deposit Specifications This professional sound box is highly favored by project customer and widely used in DISCO, Slow Wave Bar, Performing Hall, etc. MODEL: F-215System type :2 way2 ×15 full rangeFrequency response:45Hz-20KHzDirectionalH×V:90°×50°Handling power:800W (RMS)1600W( PEAK)Sensitivity:102 dBMax.spl:134dBImpedance:4 OhmsSuspension:YesDimensions(W×H×D):560×1066×446(mm)Weight(kg): 55 kg The enclosure is made by high-strength plywood. A dedicated loud-speaker system help the enclosure realize a strong shocking effect under high-power input. The strong bass and delicate treble system ensure this series under the name of high-standard, high-performance entertainment dvice. Applic
Specifications Sound Bar speaker with USB/SD, 3D Stereo. Soundbar speaker home theater sound system Cheap OEM sound bar speaker with CE Sound bar speaker/home theater sound system built in subwoofer Model:LKS-901 Specification: Power Supply AC~220V/50Hz Power Consume 1205W Power RMS Front L/R.CENTER.REAL/R 15w*2=30W(1K) SRS 15W*5=75W SUB-W 40W(100Hz) L/R UNIT IMPEDANCE 6Ohm WOFFER UNIT IMPEDANCE: 4OhmS/N≥60dB BASS TUNING(100Hz)±14dBTREBLE TUNING(10KHz)±14dBSTEREO UNBALANCE≤2dB STEREO CROSSTALK≥60dB FREQUENCY RESPONSE(L/R CH.) 250Hz-20KHzFREQUENCY RESPONSE(WOOFER) 30Hz-250KHzFORMAT SUPPORTABLE MP3/WMAAUX-IN SIZE 1130*175*95(MM)NET WEIGHT 9Kg Model:LKS-901(display panel) 1.New integration digital audio technology,3D stereo effect.2.Stored sound:CLASSIC/POP/JAZZ/ROCK/NORMAL L/AUTO modes3.lectronic volume control4.Wall mountin
Specifications 1.High quality assurance 2.In stock 3.Low cost 4.Fast delivery Hot selling internal loudspeaker sound speaker for iPad 2, Buzzer loud speakerSpecification1.For ipad 2 buzzer speaker2.All the items are top quality with factory wholesale price3.100% compatible with your brand mobile phone4.We also offer all kinds of spare parts for various mobile phones5.Quality tested before shipping and best after-sale service, give our customers double safeguard6.High quality and fast delivery7.Paypal is accepted About usWe aslo can supply other mobile phone accessories,such as Mobile phone charger,mobile phone adaptor,Mobile Phone Flex Cable,Mobile Phone kepad,Mobile phone Buzzer,Mobile Phone Speaker,Mobile Phone Microphone and so on, For more information,please feel free to contact us,Your inuqury will be much appreciated! Payment Items will be shipped within 3 working day as soon as you payment verified Warranty3 months for the quality assurance Custom duty or taxBuy
Specifications music sensor light bar 1.New design,New style 2.Easy install 3.Sound activated function 4.Best after-service music sensor light bar 2013 hot music sensor light bar 1. Directly factory 2. Newest design 3. Energy saving and High power LED 4. Fashionable & Cool car decorate light Products details: product namecar music lightBrand NameLIWINCertificationCE,RoHS,E-mark Product Size 45*11cm;90*10cm;70*16cm;80*19cm;90*25cm;114*30cm Color ChoiceWhite,Red,Green,Blue,Yellow,Pink,Purple,mix 3 colors and mix 5 colors Port Guangzhou Life spanabout 3,000 hours car modelall carsPlace of OriginGuangdong China (Mainland)Description: 1) Cool flashing car stickers increases safety while you driving a car at night; 2) at the same time, Car music light makes your car fashionable and amazing, It is really cool. this flashing subject creates a fascinating view for your car.
Type: Beam Lights Light Source: Halogen Bulbs Input Voltage(V): 220 Lamp Power(W): 100 Lamp Luminous Flux(lm): 0 Lamp Luminous Efficiency(lm/w): 0 CRI (Ra>): 0 Color Temperature(CCT): 0 Working Temperature(℃): 0 - 65 Working Lifetime(Hour): 5000 Certification: CE,RoHS Emitting Color: RGBW Lamp Body Material: Plastic Base Type: G13 Place of Origin: Guangdong China (Mainland) Brand Name: Aiweidy Model Number: A-6408 warranty: one-year warranty Channel: 10/38CH LED Source: 8*10W CREE RGBW 4 IN 1 LED Units Controls: DMX512 Master/Slave, Sound Control, Auto Packaging & Delivery Packaging Detail: N.W:8KG G.W:8.8KG Size: 117*18*10cm Delivery Detail: According to order quantity Specifications 1. 8*10W RGBW 4 IN 1 2. Beam light 3. fast speed 4. 270 rotary angle 5. one-year warranty A-6408 8*10W LED Beam Light with 8 HeadsVoltage: AC110-240V 50/60HzLED Lamp: 8 pcs 10W(RGBW 4 in 1)Power:90WAngel: 15°/25°/45°Control:DMX/AUTO/Master-SlaveChannels: 10/38CHWaterproof:IP20Net Weight:
Specifications 1.bluetooth speaker 2.compliant with CE/ROHS/FCC 3.customized logo/color 4.new design ,hot sell 5.accept OEM New arrival! 500MAH long playback time High Sound Quality Bluetooth Speaker hot Selling rechargeable li-on battery Speaker Specifications:Also can work with many audio players like iPod, mp3/4, laptop etc by AUX cableAudio Output Power: 2.5W RMSLoudspeaker: 2.5w,40mm,4ohmAdjustable volume ,previous and next song buttonPower supply: Built-in Li-ion Rechargeable Battery Li-ion Battery Input: DC 5V / USBMusic Playing time: About 3-5 hours Nominal charging time: 2-3hours Shell materials: plastic Dimensions: Diameter 90mm.Weight: about 170gPackage Contents:Bluetooth SpeakerUSB charge/audio cable User's manual
Specifications Ceiling Bar,Ceiling T-Bars,t-bar,Ceiling grid 1) Size (H x W): a) Main tee: 38 x 24, 32 x 23mm b) Cross tee: 26 x 24mm ceiling bar1).Size (H X W): Main Tee: 38 X 24, 32 X 23mmCross Tee: 26 X 24, 24 X 23mmWall Angle: 24 X 24, 22 X 20mm2).Thickness, Length Can Be According to Customers’ Requirements.3).Packing: Paper Box,Standard Export Cartons4).Application:Together With Mineral Fiber Board Used To Make Ceiling For Office, Shops, Hospitals, Hotels, Restaurants, Theatres And So On.5).Year Capacity: 2,000,000 Square Meter.
Specifications *Ultra-slim Bluetooth Soundbar *USB dock, Bluetooth,3.5mm jack line in *LED screen/display *Mounting:Floorstanding,Wall TL-S2110U-BLSoundBar design with optimal fit for 37'' flat TV or large 35 Wattas RMS total output power 2.1CH Ultra-slim 55mm/2.2'' deep AC100~245VLED display Smart remote control that can even handle basic functions of your TV MP3 line-in ,Bluetooth placement on the wall or tabletop USB Direct for easy MP3 music playback Dimension(W*H*D):898*90*55mm
Specifications 1,10 pcs integrated drivers 2,Real 5.1 3D surround sound 3, Bluetooth funciton 4, USB/SD card input 5 Piano painting IA-6120BL------------------------------------------------------- 5.1 3D surround active wooden bluetooth sound bar Features: • ideal for platscreen TV • with LED display • with USB/SD/MS/MMC slot • built-in bluetooth stereo transmitter • built-in PLL FM tuner • with TV audio/AUX/5.1ch/optical/coaxial input • full function remote control • Piano painting surface finish Technical Specification: •Driver units: 5.25"x2(bass)+(3"+1")x2(front)+3"x2(center)+(3"x2)(surround) •Frequency response : 85Hz-20Khz •THD(1Khz,1W): <0.1% •Rated voltage: 110-240V,50/60Hz •Power: 15Wx5+50W(125W RMS total) 
Type: Buckets, Coolers & Holders Buckets, Coolers & Holders Type: Wine Holders Material: Plastic Plastic Type: Melamine Certification: CE / EU Feature: Eco-Friendly Place of Origin: Guangdong China (Mainland) Brand Name: AVE Model Number: Chiller Light color: Yes,Three Music: Yes,If you need Oem: Yes Suit for: any brands water or drink Not Provided: Water Packaging & Delivery Packaging Detail: Factory Standard Package or per you request Delivery Detail: 2-7days,depends on you order quantity Specifications 1.Factory Price,Good quality 2,Promotion Item :Drink Chiller with Multi-color 3.Weclome OEM As you know, most glasses in the market are used for drinking .Did you ever see a colorful electron bottle before? AVE(JTL ) is a high electronic enterprise.The drink glass chiller is the new design for drink bottle. It can show you 3 colors and wonderful music. It is suitable for all bars, KTV or any alive place. It can show you more fun. Working Principle: 1
Brand Name: MG Model Number: SD 01 Type: Passive Use: Home Theatre Channels: Other Place of Origin: Zhejiang China (Mainland) Model NO.: SD 01 MOQ: 200 pcs Weight Capacity: 35 KG N.W.: 1.1 KG Qty/CTN: 10 pcs Carton Size: 515*310*90mm Packaging & Delivery Packaging Detail: Gift bag with your logo and brand Delivery Detail: 25-30 days Specifications 1. Special design for North America, professional in local market 2. Niche market, less competition 3. Elegent package. 1. New desgn, new market, perfect suits the sould bar speaker. 2. Additional fitting screws 3. Easy to install 4. Customized gift box with your logo and brand Model No.SD 01 DescriptionSound Bar Speaker BracketBrandMGCapacity35 KGWall PlateSuit for wood studHardwareIncludedEnglish ManualIncludedMaterialHot rolled steelFinishPowder CoatingColorBlack & SilverOEM PackagingAvailable
Specifications wallcloth 1.wallpaper upgraded product,seamless! 2.waterproof,mouldproof,environmental 3.longer service life 4.more welcome Wallcloth---give your wall dress up, let the cold wall warmer up! the Features and Advantages of new product----wallcloth Wallcloth is wallpaper upgraded and replaced products, now is a rapid rise of new environmental protection industry, give a person elegant, noble, the magnificence of modern style feeling.as an important modern wall decoration art grade element, is more and more widely used in high-grade hotels, restaurants, bars, KTV, office buildings etc public field, also is very suitable for household villas, general house decoration and renovation, wallcloth has strong vitality for its incomparable advantages compare with wallpaper: 1.Seamless splice: using our seamless paste new technology can make whole wallcloth smoothly and flat pasted on the wall.Seamless wallcloth height can up to 3.1m, so can be widely used inte
Specifications Surround sound bar Accessory, Adaptor:12V3A/18V3A Remote control Instruction Manual 3.5mm RCA Cable Certificate card A50-890 Virtuel 5.1 surround soundbar Products Feature: Using digital Audio magnifying process, the small speaker can be made the same audio effect as the bigger one . Adopt YAMAHA sound effect technology, make the sound much more enjoyable. Fashion, simple, and smart bar design, it is very popular to be matched with LED/LCD TV set, and saves much space. With various Audio source input &output , It is the top ideal choice for modern home theater . A great many sound effect choices , you can change the sound effect freely as you like 2.4 G wireless Subwoofer, you can put anywhere you like in your room as you wish with out any constraint and restrictions, with easy installationTouch buttom operation panel , This makes the operation much easier and pleasant . Description:2.1 channel Soundbar w
Place of Origin: Guangdong China (Mainland) Brand Name: for apple Model Number: for iPad 2 Design: Bar Compatible Brand: Apple iPhone condition: high quality Packaging & Delivery Packaging Detail: Packed with Anti-staic bag and foam box or at your request Delivery Detail: Delivery about 1~2 days after confirmed full payment Specifications 1.100%Brand new 2.pretty competitive prices all- around services 3. sufficient number 4 three month warranty Black Internal Loudspeaker Replacement Part for iPad 2Specification: Product NameLoud SpeakerFit Modelfor iPad 2Main MaterialPlasticMain ColorBlackNet Weight11gPackage1 x Loud Speaker for iPad 2Description:Internal Loud Speaker Replacement Part Black for iPad 2nd Gen.We will test before delivery Welcome to us anytime if you need any further information! Payment:We accept T/T ,Western Union, Paypal and Moneygram ,Cash as payment method.Quality check and Warranty:We test our products one by one before we pack and
Specifications Bluetooth mini speaker Hands free function TF Card function Fm function Lovely appearance design 2013 best sound quality wireless outdoor soundbar speaker Feature : *Bluetooth, TF card, FM , Hands free.*Built-in microphone noise reduction circuit and hands free function.*Built-in double lithium battery charging and discharging protection to alarm when the battery power is low.*Using Air BASS pneumatic supercharging vibration basin technology to make the BASS more powerful.*AUX (line in): 3.5mm audio input,3.5mm audio output,Mini USB charging jack. Product Show
Place of Origin: Guangdong China (Mainland) Brand Name: Mastech Model Number: MS6701 Specifications 1.*LCD digital display 2.*Anolog bar indicator 3.*Auto/Manual range 4.*MAX value hold function MS6701Digital Sound Level MeterFeatures:lLCD digital displaylAnolog bar indicatorlWide dynamic rangelAuto/Manual range lFast/Slow response selectablelMAX value hold functionlA/C weighting selectionlDate and time displaylAC/DC auxilitary outputlMemory functionlRS232C interfacelComputer record graph softwarelBacklightlLow power indication
Specifications portable speaker, bluetooth speaker, sound bar speaker 1.Bluetooth Version: 3.0 2.Metal sense design 3.Hands-free call portable speaker, bluetooth speaker, sound bar speaker: With the continuous development and expansion of the digital portable audio market, the pursuit of the avant-garde, high-end consumers of stylish digital audio demand is growing. To this end,We launch a strong hit of the high-end market BS-02 portable audio products .As follows: Description*Portable mini bluetooth speakerFeatures*Bluetooth wireless audio transmission*With phone handsfree*AUX with an external input functionTF card*Stereo Sound*Supporting IPHONE, IPAD, computer, phone and so on*Metal sense design*portable, hanging portable design*Ariety of classic color for choiceSpecification*Bluetooth Version: V: 3.0*Frequency: 2.402-2.480GHz *Max power output: 4W*MIC sensitivity: -32db*Receiving sensitivity: Better than -82dBm *Charging Voltage: 3
Place of Origin: Guangdong China (Mainland) Brand Name: THE-ONE Model Number: TH-317 Production name: Led Stage Bar Light LEds: 10mm LED 252 pcs Color: 108 red , 72 green, 72 blue Warranty: 1Year Certificate: CE, RoHs Lifetime: over 50000 hours Packaging & Delivery Packaging Detail: Export carton ; Flight case Delivery Detail: 5-15days after payment Specifications 1.Led Stage Bar Light 2. 252 PCS 10mm RGB LED 3. indoor use 4. sound activ ,run auto, master/slave DMX512 RGB 252 z bar led lightBar Light , stage light TH-317 Technical Parameter: Input voltage 90-250V AC,47-63HzMax. Power Consumption50VALED source252 PCS 10mm LEDs (108 red , 72 green, 72 blue)ProtocolUSITT DMX-512Control channels12CHPacking size1080×130×127 mm(1pc)/ 1100×420×280mm(6pc/carton)Mechanical SpecificationHeight: 85mm Width: 1070mm Depth: 650mmGross weight19KG Feature : 1. Intensive brightness LEDs2. 60-100 thousand hrs Rated Life3. Beam angle
Specifications With wireless microphones and USB,SD slot,support U-line play Prefect sound and low price OEM is welcomed Technical parametersFrequency response: 70Hz-18KHzRated power: 250WLoss of real: 115dB (1W/1M)Speaker Impedance: 8ΩInput signal: wired 100mV (300Ω) Linear input 1.0V (1KΩ)Use the power: AC AC: 220V DC: 12V 12Ah 1 onlyCurrent consumption: 3.5A (MAX)Cabinet material: wood + ironBox Size: 590 * 350 * 295 mm (H*W*D)Packing size :420*330*655mmColor: black or grayNet weight: 15.75kg
Specifications Sound Passive Speaker Steel front grill covered with acoustic foam Europe Design Quality Guaranteed professional loudspeaker, professional speaker, pro speaker, pro audio, pro audio speaker, speaker, loudspeaker,audio CLS-8 :: Product Description * High power 2-way speaker cabinet * Compact plywood enclosure with durable, scratch free, painting * Steel front grill covered with acoustic foam * Equipped with: * 1" High frequency driver * 8" Woofer * Excellent sound quality, even at high sound levels. * Perfect for clubs, bars, hotels, ... * Can be used in full range or with a specially adapted 2x15" subw
Specifications Ceiling Bar A) Main Tee: 38 X 24, 32 X 23mm B) Cross Tee: 26 X 24, 24 X 23mm C) Wall Angle: 24 X 24, 21 X 21mm Ceiling Bar1) Size (H X W):A) Main Tee: 38 X 24, 32 X 23mmB) Cross Tee: 26 X 24, 24 X 23mmC) Wall Angle: 24 X 24, 21 X 21mm2) Length Can Be Provided In Accordance With Customers' Requests.3)Packing: Paper Box4Together With Mineral Fiber Board Used To Make Ceiling For Office, Shop, Hotels, Restaurants, Theatres And So On.Ceiling T-Bar Is Rolled Into Moulds By Galvanized Steel Coil And Color-Coated Steel Coil. It Can Be Made Into Several Specifications According To Different Kinds Of Ceiling. Owing To Be Beautiful Appearances, High Intensity,Toughness, High-Strength, Anticorrosive And Waterproof, It Can Substitute For Ceiling T-Bar Of Aluminum Alloy. T-Bar Can Be Divided Into Two Series, Including Metric System And British System.Year Capacity: 2,000,000 Square Meter / YearCeiling grid;metal stud;Ceiling Tee;Ceiling T-Bar ;Baking Finish Keel SeriesLacquer-Coa
Specifications bar nightclub supplies can receieve DMX512 signal Channels:12/21CH Light source : Cree LED Name:bar nightclub supplies Item: ST-F013TECHNICAL PARAMETERPower consumption: 90WLight source: 8pcs 10W white color Cree leds Lamp life: 6-10 ten thousand hrsRotation angle: 270 degreeBeam angle: 0 degreeColor: 16.7 million kinds of color changeControl channels: 4/7/11 chsControl mode: DMX512, master/slave, auto, sound activeAutomatic model(by function button) : color change, color strobe, color dimmer,color gradual change/color jump changeOperation menu: LCD screen displayPacking size: 1100*165*142mmN.W: 9kgG.W: 10kg Products Show: Extra details: We will produce your order after receiving 30% deposit and the balance should be paid before the delivery date. 3-5 days for sample /7-15 days for small order /20-30 days for big order (Shipping time is not included). Please contact with us if you need mo
Place of Origin: Guangdong China (Mainland) Brand Name: Charming Model Number: COL.L.005.0100 LED: SMD5050 3 in 1 LED quantity (pcs/unit): 96 Color type: Full color RGB Power Consumption: 18W/pcs Input voltage: DC 15V Crust Material: Antiflaming Polycarbonate Dimension: dia. 30mm X L840mm Net Weight: 0.6 kg Protection Level: IP 42 Control Mode: LED FLASH Computer Control System/SD Card Control System Packaging & Delivery Packaging Detail: 1. carton with frame wood case (80PCS/CASE), best for fixed installation 2. flight case (40PCS/CASE), best for rental purpose Delivery Detail: 15 to 20 days Specifications Sound bar light 1 High Brightness 2 360 Degree or 180 Degree Visible 3 Black PCB & Cable, Elegant 4 Easy Install Disco/night club bright falling star Sound bar light Feature Light Body1- Vertical type and horizontal type 2- Different lengths available, 0.84m, 1.24m, 1.64m Convenient for various installation designs Dim
Specifications Teinuro High Definition Sound Bar 1.Home audio Sound bar system 2.S/PDIF receive 3.Caoxial/ Optical input 4.SRS TrueSurrond Teinuro High Definition Sound Bar, TL-S2130RUExtra Flat-panel prefect soundFour 3" high-efficiency, hand-built mid/bass transducersTwo 3/4" high-performance, aluminum-dome neodymium tweetersSpeaker bar frequency response: 60Hz to 20kHzIntegrated Class-D amplifier at 30W+15W*2 channel with 0.01% THDS/PDIF receiver for digital audio delivery is optional102db Dynamic rangeSupport for PCM input via TOSLINK inputHigh Power Efficiency with Low Power ConsumptionEnvironmentally consciousHigh Definition Audio PerformanceHigh-Performance 32-Bit 150MHz DSP Audio EngineImpressive Sound Pressure Level measuring 98dB SPL max @ 1MAdvanced 24-Bit Linear PCM to PWM Engine with integrated thermal, over-current, over voltage, over current protectionLatest Virtualization & Volume Leveling Technology from SRS LabsSRS TruSurround HD virtual surroundSRS Tru
Brand Name: Eimuse Model Number: E-630 Style: Headband Communication: Wired Connectors: 3.5mm Use: Computer Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Headphone heaphone speaker: Headphone with speaker Packaging & Delivery Packaging Detail: Gift box with carton carton box size:760*480*450mm Delivery Detail: Three to four weeks Specifications beautiful Hi-Fi stereo sound. work freely with pc,tv and other audio device high sensitivity,stable frequency ROHS CE A.headphones feautures: Hamburger-shaped,our own copyright,wave-skin feather cushion,gooseneck shaped mic rod,hifi speaker B.Computer necklace Specifications: speaker diameter:40mm sensitivity:110±3dB impedance:32ohm maximum power input:40mw frequency response:20~20khz Mic sensitivity:-58±3dB cord: 2.1mUse for mp3,mp4,dvd,cd