Specifications aluminum glass swing doors,widely used in ktchen ,balcony 1.Easy to install 2.Nice EPDM sealing 3.Sound insulation New design sound insulation aluminum bar room swinging door 1.Easy to install2.Nice design with competitive price 3.Good sealing perfomance 4.Excellent gas & water tightness5.Nice Sound & heat insulation6.Environmental protection Door-Aluminum door -Aluminum swing door ModelYF-8812 swing doorOpen styleswing doorWidth of sliding rail88 mm Apllication placeAluminum GlassLockAccessoriesFly screenCoastal areas aluminum profile1.2mm thick5mm+9A+5mmMutiple lock (for door) wind blockwater blockFiber screenInland88mm aluminum frameanti-aging stripProducts characters:♦Sliding flexible,can resistance typhoon if adopt high slide rail♦Extra special waterproof and airtightness treatment♦Economical,nice price performance performance♦Double hollow glass,nice heat and sound insulationan♦Decorative bar d
Material: ABS Technique: Polished Style: Artificial Use: education toys Theme: Music Regional Feature: China Place of Origin: Guangdong China (Mainland) Brand Name: shengyip Model Number: talking book color: any color voice: can be customized Packaging & Delivery Packaging Detail: opp+carton, Delivery Detail: 30-60 days Specifications 1,making learning more interesting 2,press button,here the sound. 3.oem design music sound book for children education Talking chip module for book 1. An excellent children book keeps your kid interested while learning. 2. This sound story book is printed in attractive colors, ensuring quality vision stimulation for young kids. 3. Buttons corresponding with the pictures enhance the effectiveness of learning. 4.&nbs
Brand Name: TASSO Model Number: RX123 Type: Passive Use: Stage,Outdoor Place of Origin: Guangdong China (Mainland) Component: LF:1x12";HF:3"+Horn Nominal Impedance: 45Hz-20KHz ±3dB RMS Power Handling: LF:400W;HF:250W Peak Power Handling: LF:800W;HF:500W Frequency Response: 45Hz-20KHz ±3dB Sensitivity(1W/1M): 108dB Max. SPL: 142dB Diving Mode: Bi-Amp Dispersion: 65H x40 V Voice coil size: 3"(75mm) Packaging & Delivery Packaging Detail: carton Delivery Detail: 10-15 days upon receipt of full payment Specifications professional sound speaker, outdoor speaker, pa loudspeaker, stereo speaker, professional loudspeaker, loudspeaker, pro speaker professional sound speaker, outdoor speaker, professional speaker, pa loudspeaker, stereo speaker, professional loudspeaker,subbass,loudspeaker,pro speaker Loudspeaker, power amplifier, line array system and are our main professional audio products. Our product ranges include also Karaoke sy
Place of Origin: Jiangsu China (Mainland) Brand Name: No Model Number: YX5823-01CU-L Nominal Impedance(Ω):: 4±15% Nominal power (W):: 3 Maximum Power Rating(W):: 5 Resonant Frequency(Hz):: 400±20% Effective Frequency Range(Hz):: F0-20K Sound Pressure Level(dB):: 81±3 Harmonic Distortion:: â¤7% Packaging & Delivery Packaging Detail: inside foam and outside carton Delivery Detail: 30days Specifications 1 ROHS 2009/95/EC 2 High quality 3 4ohms 3W 4 Reasonable price for its performance 5.Size:23x82.5mm 1. Technical Data: Item No:YX5823-01CU-LNominal Impedance(Ω):4±15%Nominal power (W):3Maximum Power Rating(W): 5Resonant Frequency(Hz):400±20%Effective Frequency Range(Hz): F0-20KSound Pressure Level(dB): 81±3Harmonic Distortion: ≤7% 2.Typical Applications: -Special designed for LED/LCD TV , LCD/LED TV speaker bar,sound bar speake
Specifications el panel for t-shirt 1.CE and SGS 2.life span:12,000-15,000hrs 3.animation:3-5 flash/sound active 4.more than 400 designs EL t-shirt panel No matter where you are and when the time is, just need voice, you can make the panel light up, it is so called EL sound active panel for t-shirt. with attractive animation and surprised design, most teenagers and kids and even adults are turning around and showing their great interest. EL panel for t-shirt=EL panel + inverter Specification: EL panel: 1. Thickness: 0.2-0.5mm 2. Brightness: 80-150CD/m2 3. Lifespan: 12, 000-15, 000hours 4. Design: with model, we have more than 300 designs; Customized. 5. Standard size: 200*150mm, 200*100mm 6. Animation: 3 to 5 step flashing model. 7. Character: EL flashing, sound active; No glare, no heat, no radiation. 8. Install: with Velcro strip or Sewn. Inverter/driver: 1. Input voltage: DC 6V 2. Batteries: 4 AAA batteries. 3. Size: 53*84*18mm 4. Sound active. MOQ: 100PCS Delivery time: 7 wor
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
Brand Name: KAWATA Model Number: KT-94,Bluetooth handset for iPhone Type: Active Use: Portable Audio Player,Mobile Phone,Outdoor Channels: 3 (2.1) Special Feature: Wireless,Portable Place of Origin: Guangdong China (Mainland) Feature 1: Bluetooth connecting , wireless Feature 2: Re-charging iPhone Color for choice: white / black / grey Bluetooth ver: 2.1 LED light: Blue Size: 17 x 10 x 5cm Adaptor: 110~230V Fitting: user manual, color gift box Product Name: Active sound bar for Samsung & Android mobile Packaging & Delivery Packaging Detail: Normal giftbox and bubble bag Qty/CTN:20PCS. CTN size: 51.1 x 37 x 44.4cm CTN GW: 16.7kg Qty/1x20'GP: 6180PCS Qty/1X40'GP: 12840PCS Qty/1X40'HQ: 16180PCS Measurement of carton: 0.084CBM Delivery Detail: 25-35days Specifications Active sound bar for Samsung & Android mobile -Bluetooth handset -Lessen radiation -Re-charging function CE,REACH,ROHS Active sound bar for Samsung & Android mobile ProductNumberKT-94Pro
Type: Ceiling Tiles Place of Origin: Hebei China (Mainland) Brand Name: Amusite Model Number: factory acoustic ceiling t bar Function: Fireproof,Moisture-Proof,Mould-Proof,Smoke-Proof,Sound-Absorbing,Soundproof,Waterproof Feature: Artistic Ceilings,Honeycomb Ceilings,Integrated Ceilings,Perforated Ceilings Ceiling Tile Shape: Strip Ceiling Tile Type: Mineral Wool Ceilings High quality galvanized steel,: Fireproof, humidity resistance, ametabolic. Packaging & Delivery Packaging Detail: export standard carton or as request Delivery Detail: within 19-29days after receiving advance or LC Specifications factory acoustic ceiling t bar 32T 1.we are factory 2.CE certificate 3.main tee,cross tee,wall angle. factory acoustic ceiling t bar 32 T 1.Materials: High quality galvanized steel, pre painted steel. 2.Composition: Main tee, Cross tee, Wall angle and other accessories. 3.Spec(width*height*length): a)Main tee: 24*38*3,000mm 24*32*3,000mm 24*28*3,000mm b)Cross tee: 24*28*1,200mm 2
Specifications Bluetooth 4.0 Speaker Sound Bar .Support Auto shut-off when disconnected for more than 30minutes .Hands-free conversation Specification of Bluetooth 4.0 Speaker Sound Bar Bluetooth 3.0+EDR Class 2 support for A2DPV1.2, AVRCPV1.4 profiles agreementProduct Size: 569*60*45mmMaterial: Alumium+Base: ABSWeight: 1000g (body+base)Transmission Distance:10 metersSpeaker unit:diameter 45mm, inner magnetic 4 ohm,8WBattery: Built-in lithium battery,3.7v/800mACharging voltage: 5V+0.25VCharging time: 2-3hoursWorking time: 5-8hoursAccessories: user manual/ dual 3.5mm audio cable2013 New Bluetooth 4.0 Speaker Sound Bar
Place of Origin: Hebei China (Mainland) Brand Name: eastmach Model Number: YLPZ-A color: blue or black color Type: Other Waterproofing Materials Thickness: 5-50mm(as requested) Width: as requested Packaging & Delivery Packaging Detail: packed in roll or as per customers' requirements Delivery Detail: 10 days Specifications 1.Light,heat preservation 2. heat insulation, cushioning 3.sound absorption, seal 4.electricity conduct and fire-resist Water swelling strip is not only general prevention, sealing performance, but also by the special protection of water function, has a water expansion effect of special rubber. It can enhance the waterstop and structure compactness, the waterproof, waterproof effect is better.Detailed Product Description1. Waterproof wire adopted water-swelling rubber which will be self-swelling when contact with water and sealed better between the concrete and&nb
Place of Origin: Guangdong China (Mainland) Brand Name: aier Model Number: AD-series use: ktv,hotel,bar.stage type: active size: single and double colour: according to your request Special Feature: With rotate colorful laser light channel: 2.0 packing: carton with foam material: pvc speaeker: new model/style function: with 7 band EQ Packaging & Delivery Packaging Detail: hardly cartons with foam Delivery Detail: 30 days after got deposit Specifications A. professional active 2.0 speaker with USB/SD.guitar input B. LED seven-color light C. perfect for party, stage, etc. professional active 2.0 speaker with USB/SD with USB/SD/FMwith karaoke function/two wireless microphonewith flash light on the coverswith EQ black covers and guitar inputTweeter:1" Woofers unit:10"X4Power: 100W*2stage dj speaker with usb/sd/fm MOQ:100 PAIRS / MODELMETHOD OF DELIVERY:FOB GUANGZHOU,CHINAPAYMENT TERMS:T/T 30% DEPOSIT&
Specifications 1.The Smallest Subwoofer in The World 2.High water proof 3.Custom design is welcome 4.Gorgeous design &Extreme perfect sound Features: 1.Single-channel portable speaker3. Bluetooth technology with AUX input 3.Using low-frequency enhancement technology 4.Using anti-breaking sound’s technology 5.Loudspeaker : 2.6Ω 3W 6.Working voltage: 3.7V, worked by Lithium battery built-in (400MAH), working current 300MA 7.with charging function, charging voltage: 5V, the charging current : 100MA 8. SNR equal to or greater than 95DB, Frequency Range: 60HZ ~ 18KHZ, THD equal to or less than 0.5%9. with SD card slot Services: 1.Your inquiry related to our products or prices will be replied in 24 hour2.Experienced staffs to answer all your enquires in fluent English. 3.OEM or ODM design is welcome. 4.Best competitve price and timely delivery.5.Update quotation monthly6.High quality control ,prompt delivery,c
Place of Origin: Guangdong China (Mainland) Brand Name: JIAPU Model Number: JP el panel Packaging & Delivery Packaging Detail: in a ctn Delivery Detail: 2-3days Specifications EL Panel. Size:20*14cm In stock 2000pcs Cheap to sell without tshirt. Price is USD2.21/unit EL panle: Cheap to sellUSD2.21/unit2000pcs in stock Guangzhou Factory. With tshirt for reference:
Specifications -abs+pc -High quality -fast delivery newstyle arrival sound bar for iphone 4 sound bar for iphone 4
Specifications Stereo Sound Bar Bluetooth Speaker 1.Excellent sound 2.Fashionable look 3.Ex-factory Stereo Sound Bar Bluetooth Speaker |bluetooth mini speaker|beats speakers|mini speaker |rohs speaker|bluetooth|speaker system|hp usb speaker|docking station|alibaba express| bluetooth wireless speakers| bluetooth stereo speakers | bluetooth laptop speakers| bluetooth speaker with clock | Professional Bluetooth Speakers manufacture factory Thus the best possible price advantage to provide consumers with the best quality. Specification: 1.Bluetooth version: Bluetooth® V2.1 BC52.Sound track: 2.03.Material: PVC \ aluminium alloy4.Type: Bluetooth, mini type5.Output power: 3W+3W 6.SNR: ≥90dBA7.Impedance: 4Ω8.Interface: AUX, Bluetooth9.Sound box control mode: via functional keys10.Power supply: 1500mAh, built-in polymer battery11.Frequency range: 90HZ~20KHZ12.Speaker unit: 2.04(outer diameter: 50mm)13.Length of audio lin
Specifications 1multimedia speaker . 2.high power handling for portable. 3.3.5 inch stereo speaker . 4.natural sound. 5. magnetic 3.5 inch portable speakerSpecificationsMagnet stem Overall Dimensions D88.4X46.90mmMagnet system type NeodymiumNet.Weight525gMagnetic Gap Height14mmNominal Power Handlng 25 W rmsB Flux Density 0.85TNominal Impedance 8 OhmsBl Product 3.781Sensitivity 1W/1M 83.6dBMax Linear Excursion 5mm+/-Frequency Response 79-20,000HzT/S Parameter Resonant frequency 97HzCms 0.997mm/NVoice CoilSd 27.34cm^2Voice Coil Diameter 25mmVas 1.111LVoice Coil Height 4mm Mmd2.693gmVoice Coil Former AluminumMms 2.611gmVoice Coil Wire Copper ribbonQms 1.642Number of Layers 1Qes0.652DC Resistance &n
Specifications professional sound speaker, outdoor speaker, pa loudspeaker, stereo speaker, professional loudspeaker, loudspeaker, pro speaker professional sound speaker, outdoor speaker, professional speaker, pa loudspeaker, stereo speaker, professional loudspeaker,subbass,loudspeaker,pro speaker Loudspeaker, power amplifier, line array system and are our main professional audio products. Our product ranges include also Karaoke system, switching power amplifier, digital power amplifier, mixing console, microphone, flight cases, audio cable, speaker cable and PA system. TASSO Audio Manufactory specializes in research, developing, manufacturing, sales and technical services in pro audio products. Over 15 years of technical experience of our engineers is the foremost guarantee to all of our operation. Type..............................................2-way full rangeComponent................................. LF:1&tim
Type: Moving Head Lights Input Voltage(V): AC110V/220V Working Lifetime(Hour): 100000 Certification: CE,RoHS Emitting Color: Changeable Place of Origin: Guangdong China (Mainland) Brand Name: HC Model Number: HC-CM36RGB LED light emitting angle: 25 degrees Maximum power: 50W/120W Power consumption: 50W Horizontal: 540 degrees Vertical: 280 degrees Control mode: Auto, sound control, master-slave control or DMX512 control Packaging & Delivery Packaging Detail: Standard Cartons and Flight Case Delivery Detail: 7-10days, it depends on your demand Specifications 1) 36pcs 3w led moving head light/moving head light/bar lights 2) 12CH 3) dmx512 signal control mode 4) 1 year warranty infinite color mixing rgb 36pcs 3w double arm led moving head light bar lights Voltage: AC110V/220VLight source: 36 x 1W/3W LED (Red:12 Green: 12 Blue: 12) RGB infinite color mixing, life up to 100,000 hoursLED light-emitting angle: 25 degreesMaximum power: 50W/120W Pow
Specifications active sound bar 2.1 channel sound bar sound bar with usb slot sound bar with karaoke function and 2 microphone input active sound bar Product name: sound barProduct model: SD-02 Specification:Output power: RMS 30WInput impedance: 47K ohmsSNR: ≥76dB Description: 1. Built-in USB function2. It can support MP3 music format 3. Built-in digital amplifier 4. 2.1channel sound bar 5. 2 Analog Audio inputs stereo*2 6. With LED digital display 7. With full function remote control 8. Compatible with PC/VCD/DVD/CD/TUNER/TAPE/TV and other audio input 9. Plastic Cabinet10. With karaoke function and 2 microphone input
Specifications 1.Various styles and colorful 2.Good breathing 3.Washable 4.Eco-friendly and Non-toxic Suzhou Guo Hao Wallpaper Co;Ltd is a professional Wallpaper manufacturer . We main produce PVC Wallpaper , Non-woven Wallpaper , Pure Paper Wallpaper with Various Patterns . Welcome OEM&ODM clients Product iformations as follows :BrandCreative Sky 1MaterialPVCBackingPaperSize0.70* 10.05mNet weight2.1 kg / rollPacking12 rolls/cartonTotal weightAbout 27.8 kgPriceFOB Shanghai USD 9.0-10.0/rollUse Bars,Karaoke,Restaurant ,Hotel, Coffee, Office etc.Moq60 rollsPaymentTT . L/C , Western UnionDelivery timewithin 7 days after receive advance payment Same pattern
Specifications led light bar sound activated 1. 30pcs LED/0.5M, 2. warranty for three years 3. CE, FCC Certificate led light bar sound activated Feature 1. Work voltage DC12V or DC24V2. Standard length: 30pcs/0.5m, 60pcs/m3. Available Color: White, Warm White, Cool White, Red, Green, Blue, Yellow4. Protect range: IP685. Beam angle: 120 degree6. Used for illumination or decoration7. Life Span: 50,000 hours8. Operating temperature: -20 to +50 degree Celsius9. plastic tube pack10. Environment friendly, no ultraviolet and infrared radiation, no mercury and other hazardous, no RF interference, no flickering or buzzing. SMD5050 LED Rigid BarLed type SMD5050Led quantity per meter60leds per meter, 30leds per 0.5mInput voltageDC12V or DC24VPower per meter14.4W per meterLight colorWhite, Warm white, Cool white, R, G & B.PCB ColorWhiteBeam angle120°Protect RangeIP68Light SourceOriginal Epistar From TaiwanLife span50,000hrs SMD5050 LED Rigid Ba
Type: Ceiling Tiles Place of Origin: Guangdong China (Mainland) Brand Name: WYMT Model Number: 8832 Function: Fireproof,Heat Insulation,Moisture-Proof,Mould-Proof,Smoke-Proof,Sound-Absorbing,Soundproof,Waterproof Feature: Artistic Ceilings,Honeycomb Ceilings,Integrated Ceilings,Perforated Ceilings,waterproof,fireproof Ceiling Tile Shape: Square Ceiling Tile Type: Plasterboard Ceilings color: white effect: comfortable Packaging & Delivery Packaging Detail: 6 pcs/carton, 3.0-3.8 kg/pcs 2000sqm/20'' Delivery Detail: 20 days a container,according to your quantity and deposit date Specifications t bar installed with gypsumboard 1.low price with high quality 2.popular designs 3.eco-friendly,best effect 600*1200 ceiling plaster board Model:8832 Size:595*595*16mm595*595*12mmOther Size:300*1200*18mm package:6 pcs/carton, 3.0-3.8 kg/pcs 20FT CONTAINER LOAD: 770-920 cartons, 1600-2000 sqm Advantages of sound-proo
Place of Origin: Guangdong China (Mainland) Brand Name: Topstriving Model Number: LED AETHER 4 Voltage: AC 90-240V 50/60HZ LEDs: 256 5mm high MCD LEDs(24*4 Red,24*4 Green,16*4 Blue) Life(hrs): 100,000 Beam Angle: 15° Housing: black housing Operational Modes: DMX 512 protocol, Sound Active, Auto DMX Channels: 5 Input/Output: 3-pin XLR cable Dimensions: 938*170*100mm Weight: 5.0kgs Packaging & Delivery Packaging Detail: carton packing Delivery Detail: 3~30 days according to quantity Specifications 1.club lighting and dj effects led rgb led bar dmx 2.LED AETHER 4 3.5 channels, 256*5mm 4.15 degree beam angle 5.CE,ROHS Specification: 1. Electronic power supply AC 90-240V 50/60HZ 2. color strobe effect and long life operation 3. black housing with 256 5mm high MCD LEDs (24*4 Red,24*4 Green,16*4 Blue LEDs) 4. low heat,Long Life LEDs (100,000 hrs.)5. operat
Type: Digital Projector,3D android projector led projector WIFI projector tv projektor Style: LCD+LED Use: Business & Education,Home Home Theater Projector: Yes Portable: Yes Brightness: 3000ansi Lumen Contrast Ratio: 3000:1 Weight: 4kgs net weight Resolution: 1280*768/800, support 1280X1024 and 1366x768 Projection Distance: 1~6m Lamp: 120W LED LAMP,50,000 HRS life Lens: 30-150inch Brand Name: OLEY Model Number: H2 Place of Origin: Guangdong China (Mainland) color: White/black/rose/orange(piano paiting) Dimensions: L: 330mm x W:245mmx H: 115mm name: home theater projector led beamer 1280X800 with 3*HDMI/ usb/ sd card type name: Android 4.1 Hd Projector with WiFi, 3000 Lumens model: 1280x800pixels HD home theater led projector model name: WiFi 4GB Internal Memory Packaging & Delivery Packaging Detail: 1pc/CTN or 2pcs/CTN, double cartons box with foam inside, Package G. W.: 5kgs Delivery Detail: The sample delivery time is 1-2 days, bulk order will be 5-6 day Specifications wireless
Specifications 177pcs led stage bar light 10mm LEDs 1.CE&Rohs 2.China Tainxin Lamp 3.Channle:6CH 4.Warranty: 1 year 177pcs led stage bar light 10mm LEDs 177pcs led par light 10mm LEDs Light Model177pcs led par 64 Light VolatageAC100~240V .50~60HzLight Power40WLed Sourse177pcs *10mm LEDLed Lamp Life50,000~100,000 hoursLense Degrees25°Mixing SystemR, G, B unlimited color mixing systemControl SystemDMX-512 ,Master/Slave, sound activated, AUTOSperation MenuDigital displayDMX Channels6 CHSignal Input3 core-XLR inputSignal Output3 core-XLR outputDimmer 0~100% linearly adjustableStrobe0~20t/sMaximum Ambient Temperature40°Maximum Ambient Temperature60°Material of Light ShapeAluminum Shape Related pictures
Specifications Beam moving head bar, led moving head bar Moving head design , irradiate in all domains RGBW 4in1 10W/pcs LED, High bright Moving head bar, Newest led beam moving head bar 1. Product Features Ø Moving head design , irradiate in all domains Ø Precisely control of moving , error correction design Ø Precisely control of the effect of each LED Ø RGBW 4in1 10W/pcs LED, High brightness LED. Ø Special lighting effect Ø 32-bit color (16.7 million color combinations) Ø Modular & highly portable Ø No technical experience required Ø Quick and easy installation
Specifications expanded bar grating steel grating mesh sound reputation prompt delivery small order is acceptable Hebei Meihua Hardware Mesh Co,.Ltd About the product's information: Expanded Bar Grating Steel grating is the product in accordance with customer’s requirements that is lined by load flat steel and horizontal rod alternately in a certain space, welded into primary plate in the high voltage resistance welding machine, then through the
Specifications 1 high-quality lasers 2 red, green, blue 3 with bright color 4 for each kind ceremony 5 for club, nightclub,stage 3W full color animation laser light for disco,bar,dance floor 1.Input Voltage:AC90-245V Frequency:50-60HZ 2.Power consumption:70W 3.Laser Power:R:650nm1W G:532nm1W B:450nm1W 4.Play Mode:Auto,sound active,DMX512,Master/slave,ILDA,key switch 5.Scanning speed:30Kpps 6.Scanning angle:50° 7.lifetime:more than 5000h 8.Operation Temperature:10-35°C 9.Cooling Way:Fan cooling 10.Machine Size:610*370*170mm 11.Flight Case Packing Size/Weight:715*465*235mm/28kg 12.Certification:CE,RoSH,and FDA 13. Guanrantee :1 year 14. Stability:aboua 8 hour 15. Warm-up time:less than 15 minutes 16. At place: outdoor and indoor,disco,dance floor,nightclub Input Voltage AC90-245V Frequency 50-
Specifications sound bar multiroom audio systems Touch-key high-performing HI-FI level Control by DVD,computer,TV ect. sound bar multiroom audio systems multiroom audio systems for home AUELEC A1013 from Tunersys background music system equipment , We are the manufacurer of BGM background music system and PA System equipments . For over 11 years ,we are keep reaearching and innovating and use advanced technologies to produce high quality audio products for background music system . Functions:1.Can pre-program the music for each zone 2.You could choice the interesting music and adjust the volume in the individual zo