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 B07F2YMMKC Availability: Currently unavailable Score: 1000.000 Category: Electronics Rating: 3.7 Votes: 27 Find similar productsAntrader Mini Audio Pickup Security Mic CCTV Microphone RCA Power in/Out Surveillance Device for CCTV Camera 3pcs/lot. The Best Product to Save Your Time and Money! Specification： Audio monitoring range: 10-150 square meter, volume adjustable Wiring: Red (power in), white (audio), Black (power out) Listening range: From 5 to 120 square meters Operating Voltage:DC 6V-12V Current: 10mA Output level: 0V - 6V Frequency Range: 200-10KHz Frequency Respond: 2.5dB Output Impedance: 600 ohm Operating temperature: -20 °C ~ + 50 °C Weight:77g Package Content: 2pcs x Audio Monitor Note: 1).The colors may have difference as the different display, please understand. 2).Please allow 1-2mm error due to manual measurement, please make sure you do not mind before you bid. QUALITY GUARANTEE: If there is any quality problem, please feel free to contact us. Refund or Replacement for any quality problem. |  B09Z68Q3NP Availability: Currently unavailable Score: 10.753 Category: Electronics Rating: 3.1 Votes: 5 Find similar products5pcs CCTV Microphone Security High Sensitive DC Audio Mic Outdoor for DVR Preamp Amplified Pickup Surveillance Security External Camera Sound Waterproof. . |
 B00RDU0R6W Availability: Currently unavailable Score: 8.929 Category: Electronics Rating: 3.7 Votes: 26 Find similar products5 Pack CCTV Security Camera Inline Mini Microphone with RCA Output Cable. . |  B076XD981T Price: $6.99 Score: 7.143 Category: Electronics Rating: 2 Votes: 4 Find similar productsHDView High Sensitive Audio Pickup Device Mini Microphone for Security CCTV Surveillance Sound Voice Monitor. -It is compatible with devices that accept AV input, like TV, VCR, DVR. -Max output Voltage: 5V. -Work Voltage: DC12V. -Frequency: 200-6000HZ. -Work current: 5mA-60mA. -Sensitivity: 200mA/ubar. |
 B071HL6YS3 Availability: Currently unavailable Score: 6.369 Category: Electronics Rating: 3.8 Votes: 156 Find similar productsQ-See QSPMIC Powered Microphone with Power Supply and Cable. Great for audio detection, the Q-See QSPMIC Powered Microphone is compatible with any surveillance camera for easy manageability. A supplied 60-foot cable featuring RCA connectors allows you to extend it to greater lengths, thus covering a wider distance. The Q-See QSPMIC Powered Microphone has a 20 to 30 feet audio range, providing you ease-of-use and clear sound recognition. This high-powered microphone is the missing link you need for your security system. Pick up your Q-See QSPMIC Powered Microphone today!. |  B00PZO0TI4 Price: $8.49 Score: 5.618 Category: Electronics Rating: 5 Votes: 1 Find similar productsuxcell 10PCS 2 Wire Cable MIC Electret Condenser Microphone 4.5 x 2mm. Electret condenser microphone, back electret type, small in size, in general use.An acoustic-to-electric transducer or a sensor that converts sound into an electrical signal.Widely applied to telephone, mobile phone, MP3, MP4, laptop, digital camera, intercom, monitor, etc. |
 B07NW1Y7P1 Price: $21.99 Score: 5.587 Category: Electronics Rating: 4 Votes: 7 Find similar productsYXQ 6Pcs Ground Loop Isolator BNC Male to Female Coaxial Video Balun Passive CCTV Camera M/F. No power supply required,Coaxial Video Ground Loop Isolator, Solve the interference caused by different ground potential differences during the transmission of video signals, Protected from damage caused by induced overvoltage, overvoltage and electrostatic discharge, Restore video standard signals,Ensure that the received image is clear, Effectively eliminates tearing, crosstalk, and scrolling problems.Widely used in security monitoring, KTV various complex system environment. Specification: Insertion Loss : 0.5dBCoaxial Input/Output Resistance : 75 OhmFrequency Response:0-3db at 10mhzIsolation Voltage : DC 600V (Min)Insulation Resistance : 100M OhmTransient Voltage Suppressors : 12 VrmsDimensions : 58 x 31 x 20mmCable Size:10cm Material : PlasticWeight:170g Package include: 6-Pack BNC Male to BNC Female Ground Loop Isolator. |  B09PD9TQ56 Availability: Currently unavailable Score: 5.525 Category: Electronics Rating: 2.7 Votes: 4 Find similar productsColiao 6pcs MAX4466 Electret Microphone Amplifier Module GY-MAX4466 Microphone Amplifier with Adjustable Gain Blue Breakout Board. The MAX4466 is a micropower operational amplifier optimized for use as a microphone preamplifier. It is a nice combination of optimized gain bandwidth products and supply current, as well as low voltage operation in an ultra-small package. The MAX4466 has gain stability, requiring only 24μA of supply current to provide a 200kHz gain bandwidth. After decompression, a minimum stable gain of +5V/V can be achieved, and a 600kHz gain bandwidth product is provided. These amplifiers also have rail-to-rail output, high AVOL, and good power supply rejection and common-mode rejection ratio, suitable for working in noisy situations. Widely applied in cellular phones, digital repeaters, earphones, hearing aids, microphone preamplifiers, portable computers, and voice recognition systems. Using Introduction: Connect GND to ground, VCC to 2.4-5VDC. The audio waveform will come out of the OUT pin. The output will have a DC bias of VCC/2 so when its perfectly quiet, the voltage will be a steady VCC/2 volts (it is DC coupled). If the audio equipment you're using requires AC coupled audio, place a 100uF capacitor between the output pin and the input of your device. If you're connecting to an audio amplifier that has differential inputs or includes decoupling capacitors, the 100uF cap is not required. The output pin is not designed to drive speakers or anything but the smallest in-ear headphones- you'll need an audio amplifier (such as 3.7W stereo amp) If you want to connect the amp directly to speakers. If you're connecting to a microcontroller pin, you don't need an amplifier or decoupling capacitor - connect the OUT pin directly to the microcontroller ADC pin. For audio-reactive projects, we suggest using an FFT driver library which can take the audio input and 'translate' it into frequencies. Package Included: 6* MAX4466 Electret Microphone Amplifier Module. |
 B07VT1XDBM Price: $9.39 Score: 5.405 Category: Electronics Rating: 4.2 Votes: 52 Find similar productsBNYZWOT Electronic Buzzer Continuous Sound Decibel Piezo Buzzer IC Alarm Speaker 120db DC12V 2Pcs. Length of Wire: 1m/ 39.4in Sound Level: 120dB Standard Voltage: 9- 12V Standard Current: 100-150mA Equipped with sticker on its bottom, very easy to install Adopt 3.5mm plug, solid and durable Material: ABS plastic Diameter: 50mm/ 1.97in; height: 52mm/ 2.05inPackage Includes: 1× 12V DC Electronic Buzzer Alarm Siren Security Horn (Red) 1× 12V DC Electronic Buzzer Alarm Siren Security Horn (White). |  B005E4MS0M Price: $17.95 Score: 5.376 Category: Electronics Rating: 5 Votes: 1 Find similar products6 PAIRS (12 Pcs) Mini CCTV BNC Video Balun w/pigtail. Straight Video Balun: * 1 Channel Passive Video balun. * Full-motion CCTV Video at distances up to 2000ft(600m). * Outstanding interference rejection and transient protection * Male BNC allows connection directly to the camera or DVR * No power required; Specifications: * Maximum Output: 1.1Vp-p * Loss Ratio: >2dB * Rejection Ratio: <15dB * Interference: >40dB * Transmission Distance: 2000 Ft * BNC Resistance: 75ohm * UTP Resistance: 100ohm. Feathers: * Easy installation, using the standard UTP cable system * Support all video device, such as camera, monitor, DVR card and recorder etc. * Lower budget, the price of CAT 5 cable is much less than co-axial cable * Using UTP cable ( CAT 5, RJ45) to transmit video, audio signal instead of co-axial. |