Place of Origin: Guangdong China (Mainland) Brand Name: JShen,Mini Laser Light A Model Number: TSC016 Power: 12VDC( multiple effects);10W Laser Diode: Diode Laser/ Diode Pumped Solid State Laser(DPSS) Laser power: 130mw (Optional power100-200mw) Scanning System: Micro-step motor scanner Play Mode: Sound Active/Auto-Play/Master-Slave/DMX512 LED Bead: 162 pcs Beads Colorful Magic effects Wavelength: 532nm Green,650nm Red Scanning angle: big angle scanning Packaging & Delivery Packaging Detail: package / flight case Delivery Detail: 5~7 days Specifications 1.LED Bead: 162 pcs Beads Colorful Magic effects 2.Play Mode: Sound Active/Auto-Play 3.Scanning System: Micro-step motor Power Supply: 12VDC( multiple effects) Rated Power: 10 W Laser Diode: Diode Laser/ Diode Pumped Solid State Laser(DPSS) Wavelength: 532nm(Green), 650nm(Red) Laser power: 30mw(Green), 100mw(Red) Total laser power: 130mw (Optional power100-200mw) Scanning System: Micro-step motor scanner Scanning angle: big angl
Specifications 1. sound bar speaker, designed for North America, USA, professional in local market 2. Niche market, less competitive 1. New desgn, new market for USA 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 Bracket-for USA marketBrandMGCapacity35 KGWall PlateSuit for wood studHardwareIncludedEnglish ManualIncludedMaterialHot rolled steelFinishPowder CoatingColorBlack & SilverOEM PackagingAvailable
Specifications Active Bass, active line array, active speaker, professional loudspeaker, pro audio sound equipment, pa audio loudspeaker system 1.High quality and good price! 2.loudspeaker, power amplifier,column array speaker system and line array pa system are our strong points3.selling to 110 countries and regions4.Most are CE and RoHS certified.
Specifications 8*10w led pixel led beam moving bar/10w cree led 1.LED:8 pcs RGBW (WHITE) 10W LED 2.CH:5/14ch 3. blue LCD display 8*10w led pixel led beam moving bar/10w cree led
Specifications At LARABAR we believe that the foundation of a sound mind body and spirit is derived from what you eat. And what you eat... At LARABAR we believe that the foundation of a sound mind body and spirit is derived from what you eat. And what you eat is healthiest and most satisfying when it's in a whole natural state. Quantity : 16 bars Size : 1.8 OZ Flavor : Banana Cookie
Specifications party light Red+Green laser diode dj disco party light Firework effect light firefly lights stage equipment Good News!If buy 6pcs/lot,you can have US10 off!Fast delivery firework Red+Green party strobe light Specifications:50mW 532nm green laser,TE-cooled+100mW Red laser,TE-cooledOperating modes:Auto, Sound active, Master/Slave & DMXAfter 8 seconds without sound laser will be shut down automaticallyDynamic scan speed adjustDynamic pattern speed adjustLED indicator displays the status of the POWERSound sensitivity control Features:Fan cooledPower:110V/220VApplicable for Disco, Pub, Bar, Clubs, Large stage, Entertainment center, Casinos, Family party etcSize:34*14*20cmNet Weight:3.5kgs
Specifications 240pcs Small Power 17W Indoor LED Pixel BAR Light(240*10mm RGB) Color effect:R,G,B mixing color Size:100*6*6CM NW:2KG 240pcs Small Power 17W Indoor LED Pixel BAR Light(240*10mm RGB) Input Voltage:AC 100-240V/50-60HZConsumed Power:17WLamp Type:LED(10mm)Lamp Specification:R(96PCS),G(72PCS)B(72PCS)Useful life:Around 5-100000hLED Dimmer:PWM>400HZAnti-electricity intension:1.5KVDMX Signal:DMX512Control Mode:stand alone/master and slaverDMX Channels:3CH,4CH,7CH,10CH,16CH,24CH,28CHColor effect:R,G,B mixing color,build-in programEffect:strobe,eotic,gradual change, Sound ActiveBeam Angle:25DegreeMaterial:Aluminum bodyProtection rate :IP20Approvals:CE,RoHsBody color:BlackSize:100*6*6CMNW:2KG
Specifications 7 Color Changing LED Light Natural Sound Alarm Clock 7 Color Changing LED Light Natural Sound Alarm Clock Digital Multi-colored Changing Natural Sound Sphere Alarm Clock. Novelty Sphere Alarm Clock with natural sound alarm 7 LED colors changing backlight. It features 7 different colors that flash when the alarm goes off and has different "natural sounds". The Multi-colored Changing Clock is another fun way to get up in the morning. Specifications: 7 colors changing light different natural sound Clock function (month, date, hour, minute, weekday) Alarm with different natural sound available Snooze function. Temperature detection with range 0°C~50°C(32°F~122°F) This Digital Sphere Clock power by 3pcs AAA batteries (Not included) Time(12/24 hours exchangeable) Countdown timer, the rang :23:59:29~0:00:00 Size: 4 1/4"(W) x 3 1/4"(H) x 3 1/4"(diameter) Weight: 189.6g Details Digital Multi-col
Specifications 1.Power supply: 90-240Vac/50-60Hz 2.Power consumption:30W 3.252pcs 10mm Ultra bright UV leds 4.dmx 2channels GM115 (IR wireless selectable)LED Wall Washer 252(1 Meter)2,3,6,7 and 14 DMX channels select from control panel4 Operation mode:Auto, Master/Slave,DMX and Sound Active0—100% strobe; 0—100% dimmer flicker free255 Static colours and RGB colour mixing Color strobe effectColor gradual change/color jump change,speed adjustable4 digital LED displayVery low power consumption,high outputIncludes mounting bracketsPower supply: 90-240Vac/50-60HzPower consumption:30WLight sources: 252pcs 10mm Ultra brightness leds(84 red;84 green;84 blue) 252pcs 10mm Ultra bright UV leds (dmx 2channels)Beam Angle: 40 degreesLED life: 10,000hrsDimensions: 150 x 120 x 1050mmWeight: 3.25Kg
Place of Origin: Zhejiang China (Mainland) Brand Name: ESG Model Number: ESGT Material: 100%cotton Size: From XXS to XXXL Power: Inverter supply Battery: 2 AAA batteries Design: Custom design Actived: Sound actived MOQ: 10pcs Panel size: Up to the design Delivery: DHL/FEDEX/UPS Payment: 100% Paypal Packaging & Delivery Packaging Detail: 1pc/pp bag 50pcs per carton 280g/pc 16KG/Carton Delivery Detail: 2 working days afer payment Specifications 1.sound bar t shirt 2.1400 factory models 3.Custom design 4.EL t shirt soundactive 5.panel sewed or velcro on sound bar t shirt This is the T shirt that everybodys talking about - the sound activated equalizer with adjustable sensitivity! Walk into a disco, bar or nightclub with this shirt on and the bars on the equaliser jump up and down to the music in real time! How cool! Just insert 2 x AAA battery and carry the battery box on your belt clip. Product structure: el panel+T shirt+inverter+pretty individual pakcing. 1. EL pa
Light Source: LED,36pcs 1W/3W Edison high brightness leds(R12,G12,B12) Item Type: Wall Washers Warranty(Year): 1 Input Voltage(V): 110-250 Lamp Power(W): 50 Color Temperature(CCT): Cool White Working Temperature(℃): -20 - 45 Working Lifetime(Hour): 100000 IP Rating: IP65 Certification: CE,EMC,LVD,RoHS Place of Origin: Guangdong China (Mainland) Brand Name: Richa Model Number: RL-W36A Name: 36pcs rgb waterproof led bar light Voltage: AC110-250V, 50/60Hz DMX mode: 7CH Power: 50W LED angle: 30(+5) degree Control Mode: DMX512, master/slave, auto, sound active Color: 16.7 million kinds of color change Warranty: one year Packing size: 1250x330x220mm(6pcs/CTN) Packaging & Delivery Packaging Detail: Carton box/ Flight case Delivery Detail: 5-7days after confirm the receipt of payment Specifications 36pcs rgb waterproof led bar light 1. 7CH 2. CE & RoHS 3. High Quality & Competitive Price 36pcs rgb waterproof led bar light Specification Power supply AC110
Place of Origin: Zhejiang China (Mainland) Brand Name: HOPO Shaping Mode: Plastic Injection Mould Product Material: Steel Product: Household Appliance Cavity Numbr: single or multi Design Software: UG,PRO-E,CAD Mould Base: HASCO,LKM,DME Runner: cold/hot runner Packaging & Delivery Packaging Detail: wooden case Delivery Detail: 15-60days, depends cutomers' need Specifications 1-High performance loudspeaker box mould 2-Europe qualiy, China price 3-Prompt reply 4-OEM & ODM is available 5-On-time d Taizhou Hopo Industrial & Trade Co., Ltd. After years of accumulation, Taizhou Hopo Industrial & Trade Co., Ltd initiates from one department of Zhejiang Daxiong Plastic Mould Co., Ltd and have developed into an independent company. We are a company of diversified development and combine of R & D, production, sales and service in one. Our company is one of key fixed suppliers of China electronic mold. We have developed large-scale injection mold business, during the past 10
Brand Name: Jabees Model Number: Jmusic-black Type: Active Use: Portable Audio Player,Mobile Phone,Computer,Outdoor Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Color: orange,black loud speaker: Built-in two loud speaker application: smart phones or other Bluetooth enabled devices Solution: CSR V2.1 Packaging & Delivery Packaging Detail: gift box packing Delivery Detail: 2-3 day for Jabees distributor,15-20days for OEM Specifications 1.Portable Multimedia Bluetooth Speaker with DSP 2.High quality,impressed sound 3.V2.1+EDR,Built-in microphone 4.CE/ROHS mini speaker bluetooth sound bar TV multimedia speaker Specification: * Bluetooth V3.0, class II ,DSP Technology * Bluetooth Speaker with incorporated microphone * More than 10 meters in working distance (open space) * Bluetooth profile: A2DP1.2/AVRCP1.0 * Built in two loudspeakers* Built in microphone, support phone converstion in the car,at home,at anywhere, anytime,totally
Specifications 1.Super competitive Sea-Air freight and services 2.EMS, UPS, DHL and FEDEX services 3.express air cargo 4.Sea-Air AIR FREIGHT/logistics/shipping/sea freightfreight forwarder/air express/shipping service 1.Super competitive AIR freight and services of all main carriers: CX,9W,IT,3C,MP,KA,TG,AI; KA, EK, QR, GF, BG, SV, TG, KQ, OX2.EMS, UPS, DHL, TNT and FEDEX services3.Sea-air multi-transportation4.Warehousing, repacking, pick and pack, etc5.customs clearance6.Ocean freight to worldwide destinations.7.International Forwarding2013 air express/shipping service logistics shenzhen port to newark nj usa shipping agent for led light bar sound activatedWe are a sharp rate seeker and service provider of total logistics from whole China to the rest of the world! We have excellent rate agreements with such main OCEAN carriers as MAERSK, MSC, CMA, EVERGREEN, HAPAGLLOYD, APL, NYK, PIL, CSAV NORASIA, OOCL, HANJIN, KLINE, CHINA SHIPPING, MCC,
Place of Origin: Guangdong China (Mainland) Brand Name: bothlighting Model Number: LE022 Light source: 18 x 3W Ultra bright 3-in-1, TRI Color RGB LEDs 4 operation modes: DMX-512, Master/Slave, Stand Alone and Sound Active,can add wireless Beam angle: 40 degrees Power Draw: 70W Type: LED wall washer Packaging & Delivery Packaging Detail: carton box with PE foam Delivery Detail: 7 days after payment Specifications American dj LED wall washer 18x3W 1.18pcs 3W RGB 3in1 leds 2.Guarantee: 1 year 3.High power ,high brightness led mega bar Product name: American dj LED TRI COLOR BAR 18x3W , LED wall washer , dj lightsSpecification: Power70wPower supplyAC90V-250V/50-60HzBeam angle40 degreesLight sources18 x 3W Ultra bright 3-in-1, TRI Color RGB LEDsDMX channels2, 3, 4, 6, 7, 12 & 54 channel modesModeDMX-512, Master/Slave, Stand Alone and Sound Active, can add wirelessLamp life6-10 ten thousandElectronic Dimming0 - 100%Protection ratingIP20Body colorblackColor16.7mil
Specifications *LCD/PC/MOBILE/MP3 *BUILT IN SUBWOOFER SPEAKER *FM STEREO RADIO *USB/SD CARD DECODE PLAYBACK *AIR MOVE VOLUME CONTROL *MULTIMEDIA HI-FI SOUND BAR*LCD/PC/MOBILE/MP3*BUILT IN SUBWOOFER SPEAKER*FM STEREO RADIO*USB/SD CARD DECODE PLAYBACK*AIR MOVE VOLUME CONTROL*AUX IN STEREO 3.5mm*FREQUENCY RESPONCE: 40Hz-18KHz*BS Cord
Type: LED Modules Model Number: CL-F100016S5050W60-LK Place of Origin: Guangdong China (Mainland) Brand Name: Clen size: 1000mm*16mm*10mm Warrant: 2 years Length:: 1M/pc IP rank:: Waterproof &IP67 Working current:: 0.06A Power: 14.4W/M LED QTY:: 60leds/pc View angle: 120degree G.W: 300g/pc Packing: Carton Emitting Color: White Certification: CE Power Consumption Per Piece: 14.4W Voltage: DC12v Drive Current Per Piece: 60mA Packaging & Delivery Packaging Detail: Neutral packing Delivery Detail: 7-10 working days Specifications 1.Length of connect wire:200mm 2.DC12V, 60leds/M,1m/pc 3.View angle: 120degree 4. Power:14.4W/M 5.Grade of waterproof:IP67 Detailed Product Description:led light bar sound activated:1.Size:1000mm*16mm*10mm 2.60leds rigid led strips 3.1m/pc rigid led strips 4.CE&ROHS approved Feature: Size 1000*16*10mm(1m/pc)Working voltage DC12Working Current 0.06Apower 14.4W/MView angle 120degreePacking CartonGrad
Place of Origin: Guangdong China (Mainland) Brand Name: Shida Model Number: C3604 Application: Bolt ,Nut ,Screw,Axle,Valve,Gear,Horologe,IT Industry, Diameter: 0.8-28MM Shape: Round Length: As Requirement Grade: Brass Cu (Min): 57 Alloy Or Not: Is Alloy Packaging & Delivery Packaging Detail: Wooden case ,about 200 KG each case. Delivery Detail: 1-30 days after confirmation Specifications Title:Brass Round Bar Grade:C3604 Charater:Free-cutting,mechanically sound,environmental,corrosion-resistance Surface:Bright Title:Brass Round BarGrade:C3604Charater:Free-cutting,Mechanically sound,Environmental,corrosion-resistanceDense homogeneous in microstructureUniform and fine copper scaleSurface:Bright Application:High-speed automatic processing,CNC processing and products that strict in ecological environmental protection and health or safety
Brand Name: sound bar Model Number: sound bar Type: Passive Use: Home Theatre,Portable Audio Player,Mobile Phone,Karaoke Player,Computer,Stage Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Color: blue,silver,pink,green,black,purple Weight: 170G Support: TF,FM,USB LCD: LCD screen Logo: laser 3c MOQ: 100PCS Size: 5*5*5cm OEM: YES sample time: 1days sound bar material: Aluminum alloy Packaging & Delivery Packaging Detail: Gift packing mini music car Delivery Detail: Within 5 mini music car Specifications sound bar support Micro SD/TF card support USB flash disk FM radio Earphone function Product name: sound bar support Micro SD / TF cardsupport USB flash diskFM radioEarphone function Mini TF USB FM Speaker for mobile phonel This speaker has been put into stylish and economic element, you can own its sharp design while enjoying music.l
Brand Name: ZTH-OEM Model Number: ZTH-DY-01 Type: Passive Use: Home Theatre,Mobile Phone,Karaoke Player,Computer,Stage,wireless mini portable bluetooth speakers with microphone,USB TF card Channels: 2 (2.0) Special Feature: Wireless,Portable,Mini Place of Origin: Guangdong China (Mainland) Function: support TF card,USB,FM,MIC, hands-free calling, Bluetooth function Color: Silver, Blue, Red, lividity Certificates: CE ROHS FCC Warranty: 12 months Battery: 450mAh enough power Support: FM radio LED light: We can take it off if we no need it Support MIC: hands-free calling function Bluetooth range: CSR3.0 Bluetooth, which can remote 15M . Packaging & Delivery Packaging Detail: Carton box Delivery Detail: 15-20 days Specifications sound bar with bluetooth speaker 1) TF card,USB,FM,MIC 2) super sound,LED flashing light 3) Remote 15M New Mini Multi-function bluetooth speaker Sell Points: * Support: TF card,FM Radio,* High sensitivity FM radio with extern
Specifications Standard: ASTM B348 AMS4928 ASTM F67/136 Size: dia(3~500mm) * L 100% ultrasonic test 7 years export experiences Free sample 1. Introduction of our companyBaoji City Changsheng Titanium Co. Ltd is a professional titanium manufacturer, established in 2006with the registered capital of RMB 3.5 million. We specializes in the titanium and titanium alloy products.we have complete production lines of metallic titanium and titanium alloy materials,with 9engineers,20 advanced artificers,and 30 production artificers.We has passed the Quality Management System Certification ISO9001:2000.2. Widely used grades ASTM GradeAlloyDINUNSGrade 1Commercially pure3.7025R50250Gr
Specifications 1.Sound Actived EL T Shirt 2.Panel Lifetime:200-300 Hours 3.Over 2000 Designs 4.Be Washable 5.AC&RoHS Approved. 2012 Hot Saling EL T Shirt/ Sound Actived EL Shirt/Flashing EL T Shirt Size of Man T-Shirt SizeXSSMLXLXXL3XL4XLlength63.569717477.5798184Chest width47495153555759.562Shoulder width4143454749515355Short sleeve length19.521222324252627Long sleeve length5354.52657.55960.56263.5Collar length40424243.543.5454546Height155/160160/165165/170170/175175/180180/185185/190190Size of Woman T-Shirt SizeXSSMLXLXXL3XL4XLlength56.55961.56466.56971.5 Chest width43454749515355 Shoulder width3738.54041.54344.546 Short sleeve length3738.54041.54344.545 Long sleeve length17181920212223 Collar length52535455565758 Driver from EL Panel1), Sound Activated with 4AAA/2AAA batteries2), Programmed with 4AAA/2AAA batteries EL T-shirt Panel1.Sound sensitive and high brightness2.No heat with long lifet
Specifications bluetooth sound bar Bluetooth speaker Handsfree function Original design TF card function Big Bang of 2013! L.HOME Lovely Handsfree Speaker bluetooth sound bar for spare time *Bluetooth, TF card, 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.* Mini USB charging jack. Product Show Main FeaturesBluetooth versionVER2.1+EDRQualityHi—Fi stereoBluetooth transmission distanceup to 1
Specifications Battery Powered Wireless DMX LED bar 1, 8*10W RGBW 4-in-1 LEDs 2, Portable 3, Per 2 pixels could be controlled separately Battery Powered Wireless DMX LED bar 8*10W RGBW 4-in-1 LEDs PRODUCT FEATURES Wireless DMX (WDMX) System Built-in lithium-ion battery: 24Ah 8.4V High power Led 10W /pcs , RGBW 4IN1 Four sections effect control Three control modes: Sound active mode, DMX mode, Stand-alone mode Unlimited programming effects Professional color mixing Soft light effect Protection class IP30 Quick and easy installation Indoors use TECHNICAL SPECIFICATIONS Main Color: Black Main Material Main body: Aluminum+iron , Plastic knobsControl Mode Stand-alone mode, DMX-512 mode, Sound active modeDMX Channels 3 /7 /19 standard DMX Channels , 4 base DMX ChannelsGray Level 256 levelLEDs High power Led 10W
Type: Event & Party Supplies Event & Party Item Type: Noise Maker Occasion: Valentine's Day Place of Origin: Fujian China (Mainland) Brand Name: Nuojie Model Number: A6-362 Size: D12x H8cm Unit Weight: 735g Material: cast iron Packaging & Delivery Packaging Detail: to be customized Delivery Detail: about 45 days Specifications 1, cast iron bell for door and bar 2, with dull sound and nice shape 3, door bell or bar bell 4, good quality Specification:1, Item Name: A6-3622, Size: Dia 12cm x H 8cm ,Total height is 15cm3, Weight: 725g Features:1, made by iron, the sound can be heard in a long distance2, good quality and reasonable price3, suitable for bars,ship ,door4, OEM orders are welcome Any further news needed pls contact Anna ~
Specifications KTV/night club/bar/stage LED effect light Power rating:72W Lamp bead:10W-high power LED a full-color Light pearl service li KTV/night club/bar/stage LED effect light MODEL NOAD-410PACKINGCarton Box; Flight CaseTRADE:FOB EXWPORTHuangPu GuangZhouCERTIFICATIONCE ROHSPAYMENT TERMST/T Westerm UnionBRAND NAMEANDAORIGINGuangZhou chinaUsed for stage/disco/ktv/night club/big show/partyRated voltage:90V-240V Power rating:72W Lamp bead:10W-high power LED a full-color Light pearl service life:50000 hours Choose the pulse: 0-10HZ DMX512 channel count:5CH and 21CH selection Function:Auto,Sound and DMX512Protection level:IP20 Temperature:-25°-- +35° Guaranty:1. 1-Year Warranty from the date of package receipt.2. In case of DOA (Dead on Arrival), please report within 3 days and return the case withi
Model Number: SH SB-001 Specifications 2.1 Sound Bar Speaker, Sound Bar, with Stereo Sound 2.1-channel stereo sound Full-function remote control Bass control LED display Auxiliary input x 2 Input modes: TV, DVD Audio modes: movie and music Power output: 90W Frequency response: 20Hz to 20kHz (-3dB) Voltage: 110/230VFrequency: 60/50Hz S/N ratio: ≥90dB Drive units:Mid-range: 4-inch x 2Woofer: 5-inch x 2Tweeter: 1-inch x 2 Dimensions (L x W x H): 830 x 155 x 215mmAll trademarks are shown for reference purposes only. We are not authorized to sell any items bearing such trademarks
Specifications 1. Strip Sound Bar Portable Out Door Sound Microphone 2. Karaoke+MP3 Player+U Disk+Card Reader 3. Super Bass Sound Strip Sound Bar Portable Out Door Sound Microphone Main FunctionKaraoke1. Karaoke Effect, Sound Mixer Effect 2. Professional KTV Room Sound Quality3. Support External Audio Output and Input4. Support Echo Length Control, Channel Switching5. Super Bass Sound Effect Sound Mixer Microphone1. Support High Power Output by Line-in Cable2. HD Microphone Head, Professional KTV Sound Effect3. Professional Bass Effect4. More Clear Sound; More Perfect Sound Quality U Disk/Card Reader1. Support TF Card (128M-16G) Storage Device; U Disk Function2. Support High Speed Read and Write Speed (Up to 480Mbps )3. 1.5Mbps to 12Mbps USB 2.0 Transmission Speed4. Support USB Charging Feature1. You also can record your song by recording software.2. It is a smart and portable mini karaoke player with delicate microphone appearance.3. you can p
Brand Name: OEM Model Number: ZL-06A Channels: 2.0 Player Type: HDD Player Special Feature: Mini System Place of Origin: Guangdong China (Mainland) Model: ZL-06A Keywords: 2.0 tower speaker Type: active Bass: 4''x2 Tweeter: 3'' x2 MOQ: 200PCS Brand service: OEM Packing: gift box / color box Card reader: USB SD karaoke Packaging & Delivery Packaging Detail: PVC bag+foam+color box; 1set/box; 4set/ctn; 1615pcs/40HQ; 665pcs/20GP Delivery Detail: 25-30days for 1x40HQ Specifications 2.0 tower speaker 1)USB/SD/FM/MP3/remote/karaoke 2)color box/gift box;1set/box,4sets/ctn 3)MOQ200pcs 4)wooden box sound bar Product: 2013new home tower speaker for LED TV set, sound bar Model: ZL-06A Usage: Home / hotel / office / shop to attract customers Specification: BrandOEMModelZL-06A Channel2.0FunctionsUSB SD MP3 FM remote karaokeBass4''x2Tweeter3'' x2S/N Ratio≥75dB Power