Dual-channel design, two Handheld (or Lapel) wireless microphone can be used together without interference. High-precision quartz crystal locked frequency. Looking noise to solve the problem of noise interference which is hard for general wireless receiver to overcome. High sensitivity and high S/N ratio, long receiving distance, and never staccato, never wander. Built-in noise reduction compress-expand circuit. Excellent selectivity, multi-channel simultaneously, without mutual interference. Standard metal casing, avoid interference effectively. Most suitable for Studio,Karaoke,Broadcast etc. Operating distance is up to 50 meters in ideal environment and 30-40 meters in the complex environment. Product Features: VHF220-270MHz wave band Frequency Response: 60Hz-16KHz3dB SNR:>90dB frequency stability:0.005% Output power:0-400mV T.H.D
VogUe small cabinets, real uhf wireless microphones, high performance-price ratio. Easy to use, stable performance, the optimal; equipment for small performances or family used. Product Features: Frequency Range: 720-820MHz Frequency Stability: 30ppm Dynamic Range:9 0dB T.H.D.: 0.5% Frequency Response: 80Hz-18KHz (3dB) Audio Output: Separate: 0~500mV Audio Output: Hybrid: 0~300mV.
UHF 740-790MHz frequency band Channels: 100CH (L/R channel is available), Super heterodyne; double frequency; conversion, with high receive sensitivity, Pilot precise, interference resistance, Multi-level high-performance SAW filter, with excellent anti-jamming capability, Auto mute and anti-skip circuit, it completely eliminates the impact of noise when microphone; turn on and turn off, Professional Audio Output: XLR balanced output and 1 / 4 "jack unbalanced output, Using AA; batteries, Double step-up design, the battery charge does not affect the transmission power, Manual frequency-selecting, correspond frequency in infrared ray, automatic searching frequency, High reliability surface mount technology (SMT) production. Product Features: UHF 740-790MHz wave band output level:#160; 0~300mV Frequency Response:50~15KHz(3dB) systematic distortion: 90dB dynamic range: >100dB Operating range: 30~50 meters for KTV / can be expanded to 100 meters for special request.
Vogue small cabinets, real uhf wireless microphones, high performance-price ratio. Easy to use, stable performance, the optimal; equipment for small performances or family used. Product Features: Frequency Range: 720-820MHz Frequency Stability: 30ppm Dynamic Range: 90dB T.H.D.: 0.5% Frequency Response: 80Hz-18KHz (3dB) Audio Output: Separate: 0~500mV Audio Output: Hybrid: 0~300mV.
1. Professional tuning button, high pitch bass/volume/accompany/reverberation all can be adjusted via this microphone 2. Bluetooth wireless microphone and speaker 2 in 1, can work independently without extra connection 3. 2200 mAh battery for up to 6 hours of singing, enjoy KTV karaoke effects with the smartphone app 4.High compatibility, fit for IOS and android smartphone iPad tablet, can read USB card, Bluetooth connection
1.COTT-QD60 high sensitivity audio monitoring microphone specially designed for public security organs and procuratorate industry for synchronous monitoring recording. 2.Classic black and white with clear lines, the overall design does not lack of fashion and retro-style. 3.Using advanced squelch circuit design, super strong noise reduction, its ability which can resist to the squeal is strong. 4.High fidelity silver plated vibration membrane capacitor microphone, audio monitor range up to 100 square meters. 5.Adopt Dolby Pro Logic surround sound system, equip with high-speed voice processing units, two level dynamic noise reduction processing, and automatic gain circuit to enhance distance voice, so that the effect of audio playback is more clear. 6.The "electronic noise dynamic closed loop suppression circuit" of unique design, completely eliminate "hiss" electronic noise. 7.The latest digital module maximally improves the processing time, solves the delay situation of previous digital sound pick-up . 8.Long audio signal transmission technology, use the RVVP3*0.5mm2 shield cable, it is distortionless within 3km. 9.Integrated professional front audio amplifier circuit, direct drive active speakers, DVR, earphones, etc. 10.Widely used in public security organs, procuratorate industry, banks, schools, interrogation room, prison and other indoor environment for synchronous video audio monitor recording.
Built with human satisfaction in mind this is the best solution
* EZ-TOK M6 is the premium product we have developed with our world proven digital audio and wireless technology bringing the whole new education experience to a teacher and students. * Built with human satisfaction in mind, this is the best solution for the fast changing education environment.
1.1. This system consists of one or two 2.4 ghz digital transmitter(s) + one 2.4 ghz digital receiver or one 2.4 ghz digital receiver + digital stereo amplifier or one 2.4 ghz receiver + digital stereo amplifier + speakers (all-in-one unit). 1.2. Performed uninterrupted transmission and true regeneration of audio Signals to a level of cd quality sound. 1.3. Unlike other conventional analog systems available in the market, the frequency employed, intrinsic characteristics of the digital technology and aeis engineering know-how and skills incorporated into this system made it possible for this system to perform the following unique and convenient functions in addition to ordinary functions of Transmitting audio inputs wirelessly to a receiver unit. leave no or extremely minimal room for radio wave interferences for 2.4 ghz being far Away from most commercially used bands of uhf and by digitally pairing ids between a Transmitter and a receiver. This system allows users to select one of 99 id sets for Pairing between the transmitter and receiver. enable a mp3 player to transmit its output from the transmitter to the receiver to Entertain audiences. control the receivers output remotely and wirelessly from the transmitter. This unit Has a built-in volume control knob as an added convenience for users to be able to Control the output of a receiver by adjusting the knob. As a result, users do not have To run to the receiver to adjust the speaker volume when necessary. This functionality Is possible only because this system is a full digitally communicating unit between a Transmitter and a receiver. 1.4. This system can be a very useful and effective tool for the following occasions. lecturing at classrooms preaching at churches presenting at conferences entertaining at indoor or outdoor social/family gatherings
UHF dual channel wireless receiver can receive two wireless microphones or two lapel microphone or a handheld microphone and a lapel microphone, and parallel to control the microphone volume. Quartz lock with a fixed frequency UHF band, with the latest "noise detection" mute control, it can completely eliminate the noise generated by loud noise interference. Dual-channel receiver audio output is a mixture of two-channel output, and separate balanced output can meet the input characteristics of a variety of Amplifiers. Metal chassis and SMT circuit, there are 30 groups frequencies between 760-920 MHz for choice . Product Features: Frequency Range: 740-920MHZ Modulation System: quartzcrystal control Rf stability: 0.005%(-10-50) Frequency Resopone :50Hz-18KHz3dB RF Power:10mW Noise Ratio:>100dB T.H.D: 0.5%.
Features professional performance Radius distance 150 meters Receiver parameters: Modulation: FM Carrier frequency band: UHF 600-900 MHz Sensitivity: 15dBuV Leader Suppression: 65dB Mirror frequency suppression: 75dB Audio output: 350MV Output impedance: XLR connector: 200©1 / 4 " Connector: 1K© Signal to noise ratio: 100dB Distortion:
Features â?� professional performance â?� Radius distance â?¥ 150 meters Receiver parameters: Modulation: FM Carrier frequency band: UHF 600-900 MHz Sensitivity: 15dBuV Leader Suppression: 65dB Mirror frequency suppression: 75dB Audio output: 350MV Output impedance: XLR connector: 200©1 / 4 " Connector: 1K© Signal to noise ratio: 100dB Distortion:
Features: 1.9 ms ultra-low latency,20 m barrier-free reception,it can use outdoor live broadcast and take a small video. 2.It doesn't need APP,plug-and-play,one-click connection,easy to wear. 3.Intelligent noise reduction,long endurance of 10 hours,easy to cope with all kinds of noisy environment,worry-free shooting,meet your needs for a day. 4.360 full pointing pick up,record every detail of the sound. 5.Small and convenient,it compatible with various devices,support mobile phone, tablet, camera, notebook,etc
Professional speaker , power amplifier & wireless microphone.
The microphone unit has discussion and auto-tracking of functions. It using the flocking to process. It has built-in antena and rechargeable lithium battery for each unit and equip mini usb charger. The annular blue indicator lamp can show the working state on the microphone. The chairman unit can set the system working model:fifo, limit and free. The unit has built-in high fidelty of capacitor sound head , its sound quanlity is clear and low noise. The chairman unit can turn down the delegate unit for anytime by priority button. Its design patent of appearance. Power:dc3.7v-5v Power consumption:â?¦360mw(standby state), â?¦630mw(working) Working temperature:-10â??-40â?? Length of gooseneck:380mm Frequency range:500mhz-950mhz Maximum modulation:60k Radiation power:â?¦+9dbm Frequency deviation:
We have good quality Used and New Laptops of all brands. Product Name Used laptops Processor CPU Series: Intel Core i7 4-generation family CPU Type: Intel Core i7 4702MQ CPU frequency: 2.2GHz Core frequency: 3200MHz Bus Specifications: DMI 5 GT / s Three cache: 6MB Core Architecture: Haswell Core / thread count: quad-core / eight thread Storage Device Memory Capacity: 4GB (4GB Ã?? 1) Memory Type: DDR3L (low voltage version) 1600MHz Hard disk capacity: 500GB Hard Description: Support the expansion turn mSATA SSD hard drive Drive Type: No built-in optical drive Display Touch screen: does not support touch Screen Size: 14 inches Aspect Ratio: 16:9 Screen Resolution: 1366x768 Screen technology: LED backlit, matte glare mask Graphics Graphics Type: Dual Graphics (fever-level graphics card + integrated graphics) Graphics chip: NVIDIA GeForce GTX 760M + Intel GMA HD 4400 Memory Capacity: 2GB Memory Type: GDDR5 Memory Interface: 128bit Number of stream processors: 768 Multimedia devices Camera: 720p HD webcam Audio System: Built-in audio chip Speaker: Built-in speaker Microphone: Built-in microphone Network Communications Wireless LAN: 802.11b/g/n wireless protocol Wired LAN: 100Mbps Ethernet card I / O interfaces Data interface: 1 Ã?? USB2.0 +2 Ã?? USB3.0 Video Interface: VGA, HDMI Audio interface: headphone / microphone combo interface Other interfaces: RJ45 (network interface), power connector Reader: Multi-in-1 card reader Input Devices Pointing device: Touchpad Keyboard Description: Full-size keyboard Power Description Battery: 6-cell lithium battery, 5900 mA Life time: 5 hours, the specific time depending on use environment Power adapter: 100V-240V 90W AC power adapter adaptive Exterior Laptop Weight: 2Kg Length: 339.2mm Width: 239.5mm Thickness: 26.4mm Shell material: composite material Case Description: Black Notebook accessories Packing list: Host x1 notebook Power adapter x1 Power cord x1 Manual x1 Warranty card x1 Shipping DOCS 1. Commercial Invoice 2. Packing list 3. Certificate of Origin 4. Bill of Loading 5. Form A/Form E 6. Other documents are according to customer's
audio equipment, amplifier, wireless microphone, jukebox, mixer, stage lighting public broadcasting..
Amplifiers and microphones, amplifiers, microphones, wireless amplifiers.
Specification: Screen Size: 50Inch Interface Type: Composite A/V, DisplayPort, LAN, Separate Video, Toslink, usb, VGA, Component Video, Digital Audio, support HDMI input Resolution: 2K 4K Receiving System: NTSC, PAL, SECAM Brand Name: OEM Display Format: FHD UHD Backlight Type: LED OSD Language: Multi-language OSD Optional Keyword: 2K 4K LED TV Interface: DC 12v Warranty: 12 Months
New Mini LED Light Portable Wireless Speaker IPX5 waterproof Bluetooth Speaker strong bass Zealot speaker S53 Main Features: 1.Bluetooth music player 2.Support TF card 3.3.5mm stereo jack can connect Audio player 4.Portable, easy to carry 5.Good touch feeling 6.Colorful LED lighting Parameter: Bluetooth version: 5.0 Charge voltage:DC5V/1A Speaker:4 10w 57mm Transmission distance:10M Frequency response: 20Hz-20KHz Outpower: 10W S/N: 90dB Working voltage:3.7V Distorsion:1% Talking time:5H Music time:4H Standby time:>90days Charge time:2h Battery capactiy:3000mA