classroom response systems,China classroom response systems Manufacturers, Suppliers

P12 wall recessed outdoor led display for advertising

Mar 02, 2013

... products display; 2.Warranty and Maintenance Promise 1. Maintenance principles: response in time, solve problems as soon as possible and ensure ... various outdoor circumstances, and applied the research achievements to design systems, so as to obviously improve both the flexibility and reliability ...

Supplier: Shenzhen Haojingyuan Optoelectronic Co., Ltd.

[China Manufacturers]

5630smd gu10 led light

Mar 31, 2013

... time. 3.We always offer relative technical suppore/consultant. Quick response, all your inquiry will be replied within 24 hours.5 ... the world-wide consumption of energy is from our lighting systems.

Supplier: Jiashan Kingfine Electric Co., Ltd.

[China Manufacturers]

Active speaker

Jan 30, 2013

... for club , conference centers , multifunction hall and fixed installation reinforcement systems, etc .MIS15 guarantee high dynamic in the efficient use of ... room, bar, etc. Model : MIS15 2-way self-powered speakerFrequency response :48Hz-20KHzDirection(H*V):50° * 80°Power Handing(RMS):300W ...

Supplier: Guangzhou Qihui Pro-Audio Co., Ltd.

[China Manufacturers]

parking sensor

Jan 16, 2013

... frequency:40KHZAlso Available:2,3,6 or 8 Sensors Systems24v Systems for Special/Heavy VehicleLarge selection of colorsVariety of Sensors:e ...

Supplier: Guangzhou HEM Electronic Technology Co., Ltd.

[China Manufacturers]

loud speaker

Aug 24, 2012

... : Multi-purpose assembly hall, school and so on public broadcast systems B. Home applications: Home theater system and multi-zone audio ...

Supplier: Shenzhen Qiaodeng Video & Audio Equipment Co., Ltd.

[China Manufacturers]

Portable Outdoor Public Sound System AK12-201

Mar 31, 2013

... volumeOn and off switch on the microphoneMicrophone priority functionSensitivity: 97dBFrequency response: 40Hz to 20kHzMuteMicrophone power supply: 9V batteryPower Box: 230V, 50Hz34 ... dancing, gymnastics, demonstration's loud-speaker, recorded, play) *Teaching, Conference, classroom, military training, guide, sales promotion, public sale's loudspeaker recorder ...

Supplier: Guangzhou SHEIR Sound Technology Co., Ltd.

[China Manufacturers]

vietnam 12inch usb professional dj speaker with amplifier

Mar 31, 2013

... qualityspecification: Rated power 80W*2 Max power 160W*2 Frequency response 63Hz-16KHz Rated impedance 4Ω Sensitivity 87dB±2dB Subwoofer 12 ... been specializing in researching, producing and selling Home Theatre Speaker Systems,all kinds of professional sound boxes, amplifiers, tweeters and woofers ...

Supplier: Guangzhou Vorsen Electronic Science & Technology Co., Ltd.

[China Manufacturers]

amplifier professional amplifier audio amplifier switching power amplifier

Mar 31, 2013

1.3channel 2.Meeting room,hotel lobby,dining room,classroom,training room,fitness room,wholesale price karaoke room 3.Top ... (RMS)220W×2 (8Ω)Gross harmonic distortion ..........................<0.1%Frequency response............................20Hz-50KHz (±0.5dB)Slew rate............................35V/usDamping factor(8 ...

Supplier: Ningbo Junpin Electronics Co., Ltd.

[China Manufacturers]

Multimedia Active Mini Speakers with SD/USB reader,1.0 Portable audio speaker,

Mar 31, 2013

... control, (3)Powerful bass,excellent 2.0 CH COMPUTER SPEAKER SYSTEMS 1.High glossy piano paint front panel USB/SD card ... .25inch3.Dimension of the speaker box: L164×W155×H105mm4.Frequency response: 100HZ-20KHZ5.Power requirement: AC220V/50HZ6.S/N Ratio≥75 ...

Supplier: Anji Tengfei Electronic Co., Ltd.

[China Manufacturers]

highly recommend beautiful high power 8w rgb led spot

Feb 24, 2013

... for the sensing, representation, and display of images in electronic systems, such as televisions and computers, though it has also been ... the color elements (such as phosphors or dyes) and their response to the individual R, G, and B levels vary from ...

Supplier: Eajer Electronics Co., Ltd.

[China Manufacturers]

SMD light bulb led 8w

Mar 31, 2013

... cost comparing with traditional bulbs5) Stable:constant current driver,fast response,less heat,easy installation6) excellent photometric design:no ill glare ... : 1. Instead of the traditional incandescent lamp2. meeting room/school classroom/show room3. office buildings/hospitals/factories4. hotels/supermarkets5. other commercial ...

Supplier: Shenzhen Olamda Lighting Technology Co., Ltd.

[China Manufacturers]

AVR/stabilizer

Mar 08, 2013

... voltage:380V±2-5%adjustable Frequency 50HZ/60HZ Efficiency ≥95% Response time ≤1.5s(against 10% input voltage deviation) Ambient temperature ... Name & Model No. Available Date-Expired Date CE Electronic Technology Systems Dr. Genz GmbH G3M20212-1616-E-16 Magnetic Starter & QCX5 ... 2002/12/27 --- 2049/12/31 CE Electronic Technology Systems Dr. Genz GmbH G3M20212-1614-E-16 Air-conditioner AC ...

Supplier: Wenzhou Yuanda Electrical Equipment Co., Ltd.

[China Manufacturers]

Martin Brother line array Series W8LC Pro Audio

Aug 12, 2012

... live sound, corporate and fixed installation fields. W8LC grids allow systems to be flown or ground stacked as required.Though compact ... 3 x 1" (25mm) exit HF compression drivers, horn loadedFrequency response: 60Hz-18kHz ± 3dBRated Power: LF: 400W AES, 1600W peak MF ...

Supplier: Guangzhou Futiankaiye Audio Manufacturing Limited

[China Manufacturers]

low cost 8 inch tablet pc

Jul 20, 2012

... bit rate: 8KBps-392KBps; WMA, WMV Bitrate: 5KBps-192KBps; Frequency response: 20Hz-20KHz; signal to noise ratio:90dB; Distortion: <0.05 ... : 550g Other features: Picture Format: JPG, JPEG, BMP, GIF; support systems: Windows98SE, 2000, ME, XP; support for SimplifiedChinese, Traditional Chinese, English ...

Supplier: Guangzhou Chuangmao Electronics Digital Firm

[China Manufacturers]

Pro speaker NF series

Mar 31, 2013

... speakerpro audio equipments,loudspeakers,professional loudspeaker,line array speaker systems,active speakers, professional speakers,pa speakers,pro sound ... monitoringClub installsNF-1812SYSTEM TYPE: 2-way 12'' FREQUENCY RESPONSE: 60 Hz-20KHz DISPERSION: 70°×100°(H×V) ... 20KgSHIPPING WEIGHT: 22KgNF1815NF-1815SYSTEM TYPE: 2-way 15'' FREQUENCY RESPONSE: 55Hz-20KHz DISPERSION: 70°×100°(H×V) HANDLING POWER ...

Supplier: Zomax Pro-Audio Factory (Guangzhou)

[China Manufacturers]

Stainless Steel Pressure Transmitter 631T

Mar 27, 2012

... and mechanical shock, and corrosive chemical.APPLICATIONSAdvanced HVAC Controllers,Refrigeration Systems,Automotive Test Stands,Gas compressors,Industrial process control, Pumps and ... Compressors,Hydraulic/Pneumatic Systems,Agriculture Equipment,Energy and Water ManagementSpecifications Supply Voltage5.0 ± 0 ...

Supplier: Joint Sensor Instruments (Shenzhen) Co., Ltd.

[China Manufacturers]

PS-153 3-way pa sound system

Jan 27, 2013

... 75"X1. 2. Usage: theater, church, club, multifunctional sound systems. pa sound system pa system outdoor sound system1. PS-153 ... soft and clean sound, with the intensity lower response and mid high response very clean& bright sound.3. As the speaker ... places, such as theater and night club, multifunctional sound systems. Specification ModelPS-153Frequency response55Hz-18KHzSpeaker unitLow 15"X1+ Mid ...

Supplier: Guangzhou Langyuan Audio Equipment Co., Ltd. Shawan Branch

[China Manufacturers]

Mixing power amplifier

May 02, 2012

... and protection, over-heat warning and distortion warning available. The systems connect -picture within Amplifier: Mixing power amplifier

Supplier: Guangzhou Quanzhiyun Electronic Technology Co., Ltd.

[China Manufacturers]

10kva automatic voltage regulator and voltage stabilizer

Mar 05, 2013

... DescriptionModelAF50W-110010Inputphase voltage160-260VACFrequency50Hz/60hzPhase1 phaseoutputphase Voltage220VACCapacity10KVAPhase1phasefrequency50Hz/60hzVoltageRegulation≤±1-3%response time< 1seffeciency>90%protectionDouble protectionover voltage protection,over load ... military level,industrial level solution in kinds of ac power systems,and fight to give customers the best service and ...

Supplier: Xi'an Jerrystar Instrument Co., Ltd.

[China Manufacturers]

**4*1800W de dj pro switching amplifier(PS-4180)**

Mar 31, 2013

... transistors. Reliable, durable performance can match all kinds of loudspeaker systems.PS-Series offer smooth and responsive handling with massive power ... meters, equiped with advanced processing lines and sound online testing systems. R&D department, production, QA, engineering, overseas sales department, domestic ...

Supplier: Guangzhou CVR Pro-Audio Factory

[China Manufacturers]