Reviews Frequency Power Supply

AOSHIKE TPA3116 DC 12-24v 100W Subwoofer Amplifier Board Support Bass Output Digital Small Power Amplifier Board Video Audio Accessories

  • Frequency response range: input: 20 hz - 20 KHZ, output: 20 hz - 180 hz.
  • Operating voltage range: DC 12-24V(maximum voltage is no more than 24V).
  • This is a pre-amplifier, bass frequency....
  • DC 12-24V power supply, wide operating voltage, power-saving design, more than 90% power efficiency. Maximum support 100W (Bass) bass channel output.
  • Speaker impedance: bass speaker impedance: 2-8 ohm.
  • You can use a good switching power supply adapter, laptop switching power supply, or rectified filter transformer power supply, you can also use....
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Ranjaner 1Hz-50MHz Frequency Counter Kit, DIY Module Board for Oscillator, Crystal Measure Frequency Meter Accessories

  • You can use the universal USB 5V interface power supply, can also use an external DC power supply or 9V battery..
  • The number of components is small, all straight-line components, installation and commissioning simple..
  • Addition and subtraction frequency settings for the measurement of radio transceivers and other equipment..
  • You can select the power saving mode, if the frequency is not obvious changes within 15 seconds automatically turn off the display..
  • Measurable frequency range 1 Hz -50 MHz. Can measure the oscillation frequency of most commonly used crystal..
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7.83HZ Pulse Generator 5V 0.1A Schumann Wave Ultra-low Frequency Audio Resonator for Helping Sleep

  • ✔ MINI USB PORT POWER SUPPLY -- Adopted of Mini Usb port power supply, typically+5V 0.1A,and comes with USB cable.
  • ✔ LOW STATIC CONSUMPTION -- Imported ultra-low static power consumption main control IC,to make the waveform more stable.
  • ✔ 7.83HZ PULSE SQUARE WAVE -- Output 7.83HZ pulse square wave, whose duty cycle is 50%. Frequency can be fine-tuned for correction.
  • ✔ ULTRA-LOW SCHUMANN WAVE -- This product is Schumann wave 7.83HZ very low frequency generator, features high accuracy and stability.
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Liyafy 1Hz-50MHz Crystal Oscillator Tester Frequency Counter Tester Measuring Meter Case Durable DIY Led Kit

  • High abrasion resistance, sturdy and durable, Transparent casing effectively protect the Frequency Counters body..
  • Programmable addition and subtraction frequency setting for the measurement of radio transceiver and other equipment..
  • Automatic range conversion, without human switch.
  • Can measure most commonly used crystal of oscillation frequency..
  • The power saving mode can be selected. If the frequency is not changed automatically in 15 seconds, the display will be closed automatically..
  • The power supply range is wide, which can be powered by USB interface of general motors, or 5-12v or 9V battery for external power supply..
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Rockville, 2 RWM1202VH VHF Wireless Dual Handheld Microphone System w/Mic Receiver v2

  • ...me controls, Rugged metal housing , Comfortable ergonomic composite microphone construction, Low power consumption for longer battery life.
  • Specifications of RWM1202VH: System: Operating Range: 100'-200'(indoor), 65'-165'(outdoor), Channel: Two Channel, Frequency Range: 170MHz - 260MHz, Frequency Response: 80MHz-12000MHz, Frequency Width: 32Mhz, Dynamic Range: 110dB, Operating Temp: 14°F – 122°F..
  • Oscillation Mode: Quartz Crystal, Frequency Stability: 0. 005%, Modulation Mode: VHF, Frequency Response: 80Hz – 8 KHz (3 dB), Harmonic Radiation : < 63dBm, S/N: 60dB, RF Output Power: 10mW, Power Voltage: AC110V/ 220V - 50/60Hz, Mic Battery: 9V.
  • Receiver: Sensitivity: (S/N=30dB) >2mV , De-Emphasis: 50µS , Audio Output Impedance: 600O , Audio Output Level. : 0-0. 5V , Power Supply: AC110V /220V 50/60Hz , Current Consumption: =50mA , Audio Out Connector: 1/4" unbalanced , Transmitter: Frequency Stability: 0. 005% , RF Output Power: =30mW , Modulation Mode: VHF , Maximum Deviation Range: 50KHz , Microphone Mode: Fixed , Pre-Emphasis: 50µS , Power Supply: AA/1. 5V×2 , Current Consumption: =35mA....
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KETOTEK Digital AC Voltmeter Panel Mounting Meter AC80-300V Frequency Counter 45.0-65.0 HZ LED Display Voltage Volt Frequency Meter Tester Gauge

  • 【2 in 1 Multimeter】Voltage and frequency can be displayed with different color on the LED screen, red for voltage, green for frequency. It is clear and convenient to read..
  • 【Wide measuring range】Voltage: AC 80~300V, Hertz: 45-65Hz, Accuracy: 1% ± 2 digits, with high working efficiency of 2 times/s measuring speed..
  • 【No extra individual power supply】It can directly connect two wires to the tested voltage to measure voltage and frequency without power supply..
  • 【Ultra small size】2.68×1.65×1.5inch / 68x42x38mm. This Voltage Frequency Meter can be installed on anywhere flexibly..
  • 【More information】Operating temperature: 10°F~122°F/-10℃ ~ 50℃. Note: The AC current meter only suits for pure AC 50-60HZ power supply and can NOT be used for square wave, inverter output and sine wave circuit measurement of modified sine wave, otherwise the meter will be damaged..
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RockvilIe RWM1203VH Wireless (2) Handheld Microphones 4 Church Sound Systems

  • Ultra signal stability eliminates unwanted distortion, Transmitter automatically links to receiver for ease of use, Use two handheld mics at once, Individual microphone volume controls, Low power consumption for longer battery life, System comes in 4 different frequency options. You can request a specific one in the notes A. 255.1/227.1 MHZ, B. 224.9/256.9 MHZ, C. 228.9/253.4 MHZ, D. 230.8/255.8 MHZ.
  • Specifications of RWM1203VH: System: Operating Range: 150 feet or more, Channel: Two Channel, Frequency Range: 210MHz - 270MHz, Frequency Response: 40Hz-18KHz, S/N.:>103dB (1KHz-A), Operating Temp: 14°F – 122°F, Oscillation Mode: Quartz Crystal, Frequency Stability: ±0.005%, Harmonic Radiation :< 63dBm.
  • RF Output Power: 10mW, Power Voltage: AC110V- 60Hz, Mic Battery: AA x 2, Receiver: Sensitivity: (S/N=30dB) >2mV, Audio Output Impedance: 600O, Audio Output Level.: 0-0.5V, Power Supply: AC110V 60Hz, Current Consumption: =50mA, Audio Out Connector: 1/4" unbalanced, Transmitter: Frequency Stability: ±0.005%, RF Output Power: =10mW.
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Rockville RWM1203VH VHF Wireless Dual Handheld Microphone System/Digital Display

  • ... dual filter design to limit feedback and interference. Ultra signal stability eliminates unwanted distortion..
  • Transmitter automatically links to receiver for ease of use. Use two handheld mics at once. Individual microphone volume controls. Low power consumption for longer battery life..
  • System comes in 4 different frequency options. You can request a specific one in the notes, A. 255. 1/227. 1 MHZ , B. 224. 9/256. 9 MHZ, C. 228. 9/253. 4 MHZ, D. 230. 8/255. 8 MHZ.
  • Operating Range: 150 feet or more. Channel: Two Channel. Frequency Range: 210MHz - 270MHz. Frequency Response: 40Hz-18KHz. S/N. : 003e103dB (1KHz-A)..
  • Operating Temp: 14° F 122° F. Oscillation Mode: Quartz Crystal. Frequency Stability: ± 0. 005%. Modulation Mode: VHF. Harmonic Radiation : 003c 63dBm..
  • RF Output Power: 10mW. Power Voltage: AC110V- 60Hz. Mic Battery: AA x 2. Sensitivity: (S/N=30dB) 003e2mV. Audio Output Impedance: 600Ω . Audio Output Level. : 0-0. 5V..
  • Power Supply: AC110V 60Hz. Current Consumption: ≤ 50mA. Audio Out Connector: 1/4" unbalanced. Transmitter: Frequency Stability: ± 0. 005%. RF Output Power: ≤ 10mW..
  • Modulation Mode: VHF. Maximum Deviation Range: ± 50KHz. Microphone Mode: Fixed. Power Supply: AA/1. 5V× 2. Current Consumption: ≤ 35mA..
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KOOBOOK 1Set 1Hz-50MHz Frequency Counter Meter Crystal Oscillator Digital Tester Meter DIY Kit 5-Digital LED Display

  • This is a PIC microcontroller based on the frequency meter, with a crystal measurement function and programmable addition and subtraction frequency settings..
  • Five digital display, easy and intuitive, all use of in-line components, the circuit is simple and easy to produce..
  • You need to solder and assemble by yourself, all the components are directly inserted, and the wire is printed correctly according to the PCB. After welding, the signal is input with the standard signal source, and the yellow adjustable capacitor is adjusted to make the display value equal to the signal frequency..
  • The power supply can use a USB to 3.5mm power cable, or you can directly input a 5-9V DC power supply at the - and + pads..
  • It can measure the frequency range from 1 Hz to 50 megahertz (1Hz-50MHz), can measure the oscillation frequency of most common crystal oscillators, and measure equipment such as radio transceivers..
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Differential Amplifiers 200 MHz (1 piece)

  • Power supply EMI filter is a kind of reactance-type low-pass filter, installed at the power supply input of electronic equipment..
  • It can inhibit noise transmitted through grid power cable, and can inhibit high-frequency interference signals generated by the electronic device itself..
  • High quality imported components provide obvious filtering effect..
  • EMI has become a must have device installed in electronic equipment..
  • Widely used for precision measuring instruments, building automation, precision machinery, elevator lifting equipment, automated system, calculator inverter office equipment, servo system inverter equipment, frequency conversion equipment, lighting equip.
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4 Alpine SPE-6090 6x9 600 Watt Car Audio Speakers+4 Channel Amplifier+Amp Kit

  • ...e pearl mica injection. 3/4" Silk soft dome tweeter. Tweeter Magnet: Neodymium. Woofer Magnet: Ferrite. 4 ohms impedance. Square voice coil. Injection molded frame.
  • Peak Power Handling Per Pair: 600 watts. Peak Power Handling Each: 300 watts. RMS Power Handling Per Pair: 150 watts. RMS Power Handling Each: 75 watts. Frequency Response: 65-18,000 Hz. Sensitivity: 91 dB. Top-Mount Depth: 3". Mounting Diameter: 5-15/16" x 8-3/4". Features: Alpine BBX-F1200 600 Watt 4/3/2 Channel Amplifier Car Stereo Amp Class-A/B 2-ohm. Terminal Layout: Two-Sided. Screw Mount / Wire Cover: Integrated Wire and Mounting Screw Terminals.
  • Alpine BBX-F1200 600 Watt 4/3/2 Channel Amplifier Car Stereo Amp Class-A/B 2-ohm. Amplifier Type: Class-A/B. Channel Design: 4/3/2 Channel. Thermal Control: Thermal Management Control. Power Supply: DC-DC PWM Power Supply. Power Supply Design: MOSFET Power. Current Protection: Over-Current, Over-Voltage and Thermal Protection. Crossover: Variable Low-Pass / High-Pass. Green/red status LED. 2 pair RCA pre-inputs. Max Power Output Ratings. Total Max Power: 600W. RMS Power Ratings.
  • Per Channel into 4ohms (%THD+N): 4 x 50W. Per Channel into 2ohms (%THD+N): 4 x 70W. Bridged into 4ohms (%THD+N): 2 x 130W. Sound Tuning. Crossover Frequency (Variable....
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Differential Amplifiers EL5172ISZ 200MHZ DIF REC (50 pieces)

  • Power supply EMI filter is a kind of reactance-type low-pass filter, installed at the power supply input of electronic equipment..
  • It can inhibit noise transmitted through grid power cable, and can inhibit high-frequency interference signals generated by the electronic device itself..
  • High quality imported components provide obvious filtering effect..
  • EMI has become a must have device installed in electronic equipment..
  • Widely used for precision measuring instruments, building automation, precision machinery, elevator lifting equipment, automated system, calculator inverter office equipment, servo system inverter equipment, frequency conversion equipment, lighting equip.
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DC12V-24V 2.1 Channel TPA3116 Subwoofer Amplifier Board High Power Bluetooth Audio Amplifier Board 50W+50W+100W (Bluetooth Amp),Bluetooth Amp

  • tpa3116 amplifier 100W Subwoofer Amplifier Board.
  • Frequency response range: input: 20 hz - 20 KHZ, output: 20 hz - 180 hz.
  • tpa3116 2x50w amplifier board Operating voltage range: DC 12-24V(maximum voltage is no more than 24V).
  • This is a pre-amplifier, bass frequency processing, with bass volume potentiometer control of the bass amplifier board..
  • bluetooth amplifer board DC 12-24V power supply, wide operating voltage, power-saving design, more than 90% power efficiency. Maximum support 100W (Bass) bass channel output.
  • Speaker impedance: bass speaker impedance: 2-8 ohm.
  • You can use a good switching power supply adapter, laptop switching power supply, Here is our 24V power diy amplifier.
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