Filter type¡êo Professional active crossover filter Active crossover frequency 3.0khz Bass adjust +2/0/-2db(200hz) Mid range adjust 0/-2/-4db(500hz) Treble adjust +1/0/-1db(10khz) Signal-to-noise >94db Harmonic distortion 80hz - 20khz ¡¨¹1%(85db/1m) Input sensitivity 350mv Input impedance 12k|¸ Other parameter Finished Black piano lacquer finish / silver aluminium panel Dimension (w¡¨¢h¡¨¢d) 8.5"¡¨¢10.9"¡¨¢14.8" Net weight Main speaker:16.5 lbs vice speaker:15.9 lbs
Amplifiers System Rated Power 78W Signal-to-Noise >85dB Distortion THD
M20-5.1mkii Wer amplifier circuit, which consists of three components; front end input circuit with digital volume control, power control circuit, and six-channel post-stage power amplifier circuit. The result is a system with almost twice as much power handling as the previous revision with improved dynamic sound and deep powerful bass. Included in the revisions was also a convenient remote with digital volume control for easy operation. The m20-5.1mkii provides 8|¸¡¡¡§|1khz ) Frequency range 120hz-20khz Signal-to-noise >92db Distortion Thd
We have in-ear headphone, vertical in-ear headphone, over-the-ear headphone, noise cancelling headphone, iphone accessories, hands free accessories, earbuds, earphones w/ mic for voip and portable speaker.
* 800 W continuous program power capacity * 97dB Sensitivity 1w/1m * Smooth requency response up to 4.0kHz * 3" high temperature voice coil with fiberglass former * Triple roll surround and exponential cone geometry * Ideal for high quality compact 2 or 3-way systems: 1. Nominal Diameter : 15 inch 2.Rated Impedance : 8 ohm 3.Nominal Power handling: 400 Watts 4.Program Power: 800 Watts 5.Sensitivity(lw/lm): 97 dB 6.Frequency Range: 33~4.0k Hz 7.Minimum Impedance(Zmin): 6.8 ohm 8.Voice Coil Diameter: 3 inch.
2012 hot sale!bluetooth headset for iphone: 1.Support systems: audio equipments with bluetooth functions, such as pc, cellphone, mp3. 2.Bluetooth protocol standards: bluetooth v2.1+edr 3.Receiver range: 10m/360 degree, 4.Carrier frequency: 2402mhz-2480mhz 5.Usb interference: high speed USB2.0 6.Battery: chargeable lithium-ion polymer battery(3.7v/320ma/h) 7.Charger power: computer usb interface dc5v,dc5v(500ma),travel charger,dc5v(500ma)car charger 8.Successive working time: about 10 hours 9.Frequency response: 20hz-20khz 10.S/n ratio: -82db Speaker parameter: 1.Speaker diameter: 40mm 2.Impedance:32 3.S.P.L.:106db s.P.L.At 1khz 4.Rated power:20mw 5.Aggregate capability:40mw 6.Frequency response:20hz-20, 000hz. Blister packing and papercard.
Colorful 2.4g wireless earphones features: 1.Chatting online; 2.Transmission range:larger than 10m; 3.Sound:full acoustic fidelity and strong bass voice; 4.Invisible noise reduction mic inside guarantees acoustic fidelity; 5.Battery:180 hours long standby/lithium battery inside lasts for 8 hours; 6.Intelligence code system:share music online with friedns with one emitter. Detailed specifications: 1.Frequency range(ghz): 2.404~2.476. 2.Avaiable range(m): 10.. 3.Baud rate(bps): typ:4m.. 4.Successive working time: about 8hours. 5.Battery: chargeable lithium-ion polymer battery (3.7v/320ma/h)... Two part:...Speaker parameter: 1.Speaker diameter: 40mm.. 2.Impedance: 32 3.S.P.L: 118db s.P.L.At 1khz.. 4.Rated power:20mw...... 5.Aggregate capability:40mw.. 6.Frequency response:20hz-20, 000hz Microphone parameter. 1.Microphone unit: 4*1.5mm.. 2.Directivity:omnidirectional. 3.S.P.L:-58 4.Impedance: 5.Frequancy response:30hz-16, 000hz.. 6.Operating voltage:3.0v. Blister and papercard
Fm radio card wireless headphone with exotic art work 1.Support computer system: windows98, win2000, win xp, win vista 2.Usb interface: high speed USB 2.0 3.Support memory card: TF Card 4.Capacity of support card: 16gb. 5.Support music format: mp3, wma.. 6.Battery: chargeable lithium-ion polymer battery (3.7v/320ma/h). 7.Charger power: computer USB interface 5v or dc 5v.. 8.Successive working time: about 10 hours 9.Frequency response: 20h 20khz. 10.S/n ratio: -82db. Two part:...Speaker parameter: Speaker diameter:40mm.. Impedance: 32 S.P.L: 108db s.P.L.At 1khz.. Rated power:20mw . Aggregate capability:40mw .. Frequency response:20hz-20, 000hz. Blister and papercard
Web cam Video enthusiasts get ready... our new QuickCam was made just for you. By combining a digital zoom, built-in microphone, and high-quality VGA CCD sensor, the QuickCam Pro 4000 lets you express your creativity like a pro. Now you can create amazing videos and shoot 1.3 megapixel still photos with ease. Or add live video to Yahoo! Messenger, MSN?Messenger, and AIM while you chat. You may also make live video calls, set up a video monitoring system, or send photos and video along with your email. You can even add video to your eBay auctions. Enhance the way you communicate and animate your life. FEATURES Enjoy 640x480 video resolution with the advanced VGA CCD sensor and high-quality 1.3 megapixel photo resolution Add live video to Yahoo!?Messenger with integrated software. Use Logitech's free IM Video Companion?to add live video to Create movies like a pro with studio-quality MGI?editing software
*complain with the h.264/mpeg4 *6mhz band wide *sti5202 chipset for sd, sti710x chipset for hd Maximum size(w*h*d) 300mmx60mm*210mm
2.0 USB direct transmisson of power,pure music embodies.High-quality IC engines,aweet pure sound quality. External control internal circuit of low-power shutdown mode.stereo headphines to enlarge mode,and internal thermal shutdown protection mechanism,and make use of circuit and characteristics of the most large extent the decrease of noise (clicks and crack) and distortion. Specifications 1)R.M.S.:1W*2 2)P.M.P.O.:320W 3)Drive Unit:2.25" 4)S/N:
-LCD Digital Display: display song title and synchronous lyrics -SD/MMC reader and USB reader-WAV/MP3/WMA audio capable -AUX input port available for PC, MP3/4/5, music mobile and PSP audio source -DSP FM digital radio with strong anti-jamming ability and reception ability -Support radio auto save -Calendar, Clock, Alarm and scheduled shutdown -Full-functional remote control -Multiple EQ modes: SRS WOW, normal, pop, rock, classic, jazz, soft, super bass -Power Supply: built-in lithium battery; USB; DC power - 5V (support playing while in charging) -Frequency Response: 60Hz-20KHz -Signal to noise ratio: >85dB 225X115X92mm
Overall shape, classical and elegance; separate power amplifier to provide good quality for output; in the high-density wooden cabinet materials, pure tone; 5 inch woofer, powerful. Peak power 380watt Speaker:5 inch+3 inch x 2 Output power :20w + 9w x2(rms) Frequency range : 55hz-18khz.
Simple styling, small and beautiful, volume keying, bump key surface design, easy to operate, speakers magnetically shielded, placed arbitrarily to listen, the best partner of mp3 and mp4 notebook computers. USB powered. Peak power 30watt Speaker:2 inch x 2 Output power:1.5w x 2(rms) Frequency range : 60hz-18khz.
S-100 Speaker computer Speaker Power: 20 Watts RMS per channel (2 channels) Frequency Response: 40Hz ~ 20kHz Dimension (H x W x L): Products (with stand):D120*W100*H250mm*2 Driver Unit: 3 inches * 2 + 1.5 inches *2 Subwoofer Enclosure Material: Wood Signal-to-Noise Ratio (SNR): 80dB Dimension (H x W x L): Products (with stand):D120*W100*H250mm*2 Driver Unit: 3 inches * 2 + 1.5 inches *2.
S888a 2.1 ch subwoofer speaker vibration speaker Speaker power:10 watts rms per channel (2 channels) 30 watts rms subwoofer Frequency response:40hz ~ 20khz Satellite speakers (with stand):d82mm x w8mm x h1204mm Subwoofer: d21mm x w240m x h160mm Driver unit: 4 inchs + 3 inchs *2 Subwoofer enclosure material:wood and plastic Signal-to-noise ratio (snr):80db With fm vfd ok function , usb sd slot, remote controller Compatible with vcd , cd, ld stereo system High sound quality for pc games, music etc. Low distortion design for pc, notebook or mp3 player For both outdoor and domestic uses. Excellent frequency response . Satellite speakers (with stand):d82mm x w8mm x h1204mm Subwoofer: d21mm x w240m x h160mm Driver unit: 4 inchs + 3 inchs *2.
S-600c 5.1 ch speaker home theater system, multi media speaker home audio speaker Speaker power:60 watts rms Frequency response:40hz ~ 20khz Driver unit woofer: 5.25 inch satellite 3inchx5 Subwoofer enclosure material: wooden and plastic Signal-to-noise ratio (snr):45db Power supply:220v 50~60hz ·with fm VFD ok function, USB SD slot, remote controller ·compatible with VCD/CD/LD/stereo system ·high sound quality for pc games, music etc. ·low distortion design for pc, notebook or mp3 player ·for both outdoor and domestic uses ·excellent frequency response ·super woofer, powerful amplifier circuit, hi-fi surround sound ·amazing price. . Driver unit woofer: 5.25 inch satellite 3inchx5.
Speaker size:5.25"+3"*2 Output power:30W+10W*2 Function:USB,SD,Karaoke,FM,VFD display Piano black,Remote control to USB,SD,FM 3pcs 2030IC;57*38 Transformer Power supply:AC220V/50Hz. Color box size:37.6*24.5*48CM Carton size:75.5*39*49.5CM.
Product name: wood computer speaker box support SD/MMC,USB disk Specifications: Built-large-capacity lithium batteries Support USB,SD,MMC card mp3 player songs LED lights instructions Support one,the next song,adjust volume,play/pause;Mode switching. Three power supply:Lithium own power supply,computer USB power supply,DC power supply Remote control functions Other information: 1. Stable raw material with high quality 2. Fast shipment 3.We do supply best services to all the customers. The more you order , the better price you will get . 4. If you have problem with the price or other problems , please contact with our sales directly at any time Packing by Color box Product size:150*60*66mm Color box size:190*80*75mm Carton size:40*42*39.5CM Caron quantity:50PCS
Specifications: Output:RMS3w+3w S/N Ratio:60dB Isolated Rate:60dB Impedance:4ohms Power:USB5V Speakerunit:3W*2 Feature : 1.Accompanying speaker for PC,Mp3,MP4 and notebook 2.Mellow and clear timbre 3.Built-in active amplifier 4.Pure and elegant sound quality with unsurpassed effect 5.In compliance with acoustics and aesthetics rationable Other information: 1. Stable raw material with high quality 2. Fast shipment 3.We do supply best services to all the customers. The more you order , the better price you will get . 4. If you have problem with the price or other problems , please contact with our sales directly at any time Packing by color box carton size:705*395*370mm q'ty:40pcs/ctn
