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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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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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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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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Schlage Electronics PS902-2RS Class 2 Power Supply with 2 Relay Output Board

  • Ultra High Output Power:All-copper high-frequency transformer, large output power, can meet one access control controller, 2 electric plug locks or 2 280 kg magnetic locks work at the same time..
  • Quality Material:This access control has an aluminum alloy casing that is rugged, shielded and resistant to interference. The rear of the power supply has a lifting hole that can be placed on the antenna board or hung on the wall..
  • Good Heat Dissipation:This access control power supply has cooling holes, and the side is also equipped with cooling holes, which hae excellent heat dissipation performance, but also fireproof, long serice life and low price. You will not regret it when you buy it back!.
  • high leel, low leel, switching quantity control three ways. Circuit protection: oercurrent, oeroltage, short circuit protection.
  • Buy With Total Confidence:We proide 1 month free return and exchange serice. If you find any quality problems during this period, except for man-made damage, you can contact us and we will gie you one within 24 hours.....
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Yamaha DXR12MKII, 12\ 1100W Powered Speaker Cabinet

  • ...igh power 15" woofer with 3" KSV voice coil provides incredibly deep bass and acoustic power. A microphone/line selectable input gives you the flexibility of plugging in a mixer signal, microphone, keyboard, or your guitar..
  • LINK OUT connection via combo balanced XLR - 1/4" TRS preamp output for multi speaker setup. Frequency Response: 45Hz-20KHz. Maximum SPL @1w/1m: 96dB peak..
  • High-power 2-way pro sound stage monitor speaker system for live sound and playback applications. Wedge shaped enclosure provides the perfect angle for stage monitoring use..
  • Compact and light weight system delivers distortion free sound even at extreme SPL. Great power to weight ratio. Linear Class AB amplifier technology: high power, transparent sonic performance..
  • Internal switch-mode power supply for low distortion audio with superior transient response. State-of-the-art 1.75" titanium diaphragm compression horn driver for crystal clear high frequency reproduction..
  • Ultra-wide dispersion, large-format Elliptical wave guide horn. Custom Molded Steel Grill. Ergonomically shaped handle for easy carrying and setup. Aviation Grade Black Carpet. Rubber Isolating Feet..
  • Mic / Line level control. Built-In 3 band Equalizer allows you to control High, Mid, and Low frequencies to attain y....
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Rockville RWM132V VHF Wireless Dual Handheld Microphone System/High Sensitivity

  • ...o 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 with no interference, Individual microphone volume controls, Low power consumption for longer battery life, System comes in 5 different frequency options. You can request a specific one in the notes-A. 225. 1/227. 1 MHZ, B. 224. 9/256. 9 MHZ, C. 228. 9/253. 4 MHZ, D. 230. 8/225. 8 MHZ..
  • Microphone Length: 9. 69”, Microphone Windscreen Diamater: 3. 15”, Microphone Body Diameter: 2. 22”, Receiver Dimensions: 8. 27” x 5. 4” x 1. 57”.
  • Specifications: 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%, Modulation Mode: VHF, Harmonic Radiation : 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, Modulation Mode: VHF, Maximum Deviation Range: 48KHz, Microphone Mode: Fixed, Power Supply: AA/1. 5V×2, C....
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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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Rockville 1000 Watt 2-Way Powered Active Stage Floor Monitor Speaker, Black, 12 inch (RSM12A)

  • ... coil provides incredibly deep bass and acoustic power. A microphone/line selectable input gives you the flexibility of plugging in a mixer signal, microphone, keyboard, or your guitar.
  • Link out connection via combo balanced XLR - ¼ " TRS preamp output for multi speaker setup. Led power and clipping LED indicators. Frequency response: 45hz-20khz. Maximum SPL @1W/1M: 93dB peak.
  • High-power 2-way Pro sound stage monitor speaker system for live sound and playback applications. Wedge shaped enclosure provides the perfect angle for stage monitoring use.
  • Compact and light weight system delivers distortion free sound even at extreme SPL. Great power to weight ratio. Linear Class AB amplifier technology: High power, transparent sonic performance.
  • Internal switch-mode power supply for low distortion audio with superior transient response. State-of-the-art 1" Titanium diaphragm compression horn driver for crystal clear high frequency reproduction.
  • Ultra-wide dispersion, large-format elliptical wave guide horn. Custom molded steel grill. Ergonomically shaped handle for easy carrying and setup. Aviation grade black carpet.
  • Rubber Isolating feet. Mic/ line level control. Built-in 3 band equalizer allows you to control high, mid, and low frequencies to attain your prefe....
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Anti-Interference High Reliability 433MHz New Denoise Bandpass Filter BPF SMA Interface for Block Frequencies

  • 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..
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Pulse Generator, High Strength Practical for Home

  • Adopted of Mini Usb port power supply, typically+5V 0.1A,and comes with USB cable.
  • Imported ultra-low static power consumption main control IC,to make the waveform more stable.
  • Output 7.83HZ pulse square wave, whose duty cycle is 50%. Frequency can be fine-tuned for correction.
  • This product is Schumann wave 7.83HZ very low frequency generator, features high accuracy and stability..
  • For audio-visual space - to enhance the sound field and audio-visual effects,For the bedroom - to help sleep soothe the nerves, adjust insomnia, For office - to relax and improve work efficiency, Used to create space - to improve inspiration,For the tea.
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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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