Best Variable Frequency Power Supply

DC Power Supply Variable, 30V 10A Bench Power Supply with 4-Digits LED Display, USB Interface, Adjustable Regulated Switching Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button

  • 【Overcurrent Protection】When the OCP function is turned on, if the load equipment is short-circuited during operation, the adjustable power supply will automatically stop output and send a buzzer to alert the user. Protect the adjustable power supply and load from damage..
  • 【Precise 4-digit LED Display】The variable power supply with a high-definition 4-digit display, which can display three values of voltage, current and power at the same time. The data is accurate to 0.01V and 0.001A. The bright white digital display helps you to operate as usual in the dark, and you can adjust the brightness of the screen as needed..
  • 【Compact and Lightweight】The measures of the variable dc power supply is only 7.51*3.56*5.81inch and the weight is only 2.47 pounds, which saves more space on your workbench and is convenient for you to carry when you need it. NANKADF dc power supply is the best choice for beginners or professional electricians..
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Kungber DC Power Supply Variable, 30V 5A Adjustable Switching Regulated DC Bench Linear Power Supply with 4-Digits LED Power Display 5V/2A USB Output, Coarse and Fine Adjustments with Alligator Leads

  • ...tion】 Different from other dc power supplies, WANPTEK DPS1203U dc power supply can automatically calculate the power value according to the voltage and current, but also can simultaneously display the 4-digit voltage, current and power values, numerical accuracy of 0.01V and 0.001A..
  • 【5V/3.6A USB Interface】The variable power supply has built-in fast charging protocol identification chip that supports USB fast charging function, which is different from the ordinary USB charging interface in that it has a 5V/3.6A output that can quickly charge your mobile phones and or other devices or be used to charge the device to be repaired..
  • 【Short Circuit Alarm】In order to improve the safety of the dc power supply and prolonging its service life, we have designed a short circuit alarm for the dc power supply. When a short circuit occurs, the variable DC power supply will stop output and send out an alarm to remind you. Bench power supply also have safety protections such as overvoltage, overcurrent, overheating and overload..
  • 【Wide Applications】The adjustable power supply features an intelligent temperature-controlled fan and heat sink for excellent heat dissipation and is especially suitable for laboratory, electronic repair DIY, communication equipm....
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BOSS Audio Systems R2000M Monoblock Car Amplifier - 2000 Watt Amp, 2/4 Ohm Stable, Class A/B, Mosfet Power Supply, Great for Car Subwoofers

  • ...al current. It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry.
  • Variable Low Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction.
  • Variable Bass Boost - Bass Boost allows you to adjust the low bass within the boost range to just the way you like it.
  • Variable Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier.
  • Low & High Level Inputs - A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers.
  • Specs - Dimensions: 11.5 x 10.44 x 2.25, Weight 7.8 lbs..
  • Warranty - BOSS Audio Systems provides a Powerful 6 Year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.Com. We strongly encourage professional installation of this product to ensure proper and safe functionality.
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Universal Compact Bench Power Supply - 50 Amp Variable Linear Regulated AC to DC Power Converter/Power Supply Adjustable DC Voltage Supply with Amperage Gauge Volt Meter USB Port - Pyramid PSV500

  • CONVERTS AC TO DC: Features AC to DC power supply variable linear / regulated design. Provides convenient and reliable AC-to-DC power conversion w/....
  • USB AND SCREW-TYPE TERMINALS: This workbench linear variable power supply features dual USB charge port and universal screw connection terminals....
  • PLUG-IN OPERATION: The simple plug-in operation provides a constant source of DC voltage, allowing for quick and consistent power conversion.....
  • SHORT-CIRCUIT PROTECTION: Equipped w/ built-in electronic overload and short circuit protection to ensure the safety of the operator and any connected....
  • AMP GAUGE AND VOLT METER DISPLAY: This DC bench power supply is equipped with rotary control for the adjustable power supply DC and analogue gauge....
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PowerSmart 4400W Open Frame Inverter Generator, 3500W Rated Gas Outdoor Generator,Single-cylinder Forced Air Cooling System, Home Backup

  • GENERATOR FUNCTION DESIGN: Variable frequency generator includes single-cylinder single-cylinder forced air cooling system, 4-stroke, OHV, rated power 3500W, surge power 4400W, powerful power can meet any demand..
  • MULTIFUNCTION SUPPLY: The generator includes a 120V RV-ready TT-30R socket, two 120V household sockets and two 5V USB adapters. It can handle multiple jobs at the same time, and safely power a variety of sensitive electronic devices..
  • QUIET TECHNOLOGY: 68 decibels noise at 23 feet of the generator, quiet technology, can work well to reduce noise and provide users with a quiet environment..
  • PARALLEL SYSTEM: The generator has a parallel operation system, which can connect two 2800w or higher power inverter generators to increase the total output power. When used outdoors, it can provide more power..
  • SERVICE: Our team provides high-quality and high-quality services. Our products have a 2-year warranty. If you have any questions, you can contact us and we will reply within 24 hours..
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Galaxy DX-959B Mobile CB Radio with Blue Frequency and Channel Digits and Backlit StarLite Faceplate

  • Five-digit frequency counter with large blue digits, two-digit channel display with larger blue digits. Large Galaxy meter with 4 scales: "S" Meter indicates up to 60 dB over S9. Modulation Percentage Scale for use on AM. Power Scale Calibrated for AM and SSB. SWR Scale.
  • The Galaxy StarLite faceplate features back lighting of the white faceplate lettering in blue or red color back lighting. All faceplate lettering is white during daylight. The picture shows how the color back lighting turns the lettering blue or red. Frequency and Channel LED digits are always blue - day or night.
  • Large, easy-to-read meter with scales for power output, modulation, SWR and incoming signal.
  • Variable power output control, variable talkback circuit with on/off switch, automatic SWR circuit and an SWR alert LED, Roger Beep with on/off switch.
  • Variable dimmer control with push switch to turn off the meter lamp, display digits and Star Lite back lighting, 3-position tone switch for receive, proprietary Galaxy Noise Filter (GNF) Circuit reduces noise to aid in the recovery of weak SSB signals.
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DC Power Supply Variable, Adjustable Switching Regulated Power Supply (0-30 V 0-10 A) with 4-Digits LED Display, 5V/3.6A USB Quick-Charge Interface, Short Circuit Alarm, Coarse and Fine Adjustments

  • ...tion】 Different from other dc power supplies, WANPTEK DPS3010U dc power supply can automatically calculate the power value according to the voltage and current, but also can simultaneously display the 4-digit voltage, current and power values, numerical accuracy of 0.01V and 0.001A..
  • 【5V/3.6A USB Interface】The variable power supply has built-in fast charging protocol identification chip that supports USB fast charging function, which is different from the ordinary USB charging interface in that it has a 5V/3.6A output that can quickly charge your mobile phones and or other devices or be used to charge the device to be repaired..
  • 【Short Circuit Alarm】In order to improve the safety of the dc power supply and prolonging its service life, we have designed a short circuit alarm for the dc power supply. When a short circuit occurs, the variable DC power supply will stop output and send out an alarm to remind you. Bench power supply also have safety protections such as overvoltage, overcurrent, overheating and overload..
  • 【Wide Applications】The adjustable power supply features an intelligent temperature-controlled fan and heat sink for excellent heat dissipation and is especially suitable for laboratory, electronic repair DIY, communication equipm....
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BOSS Audio Systems AR3000D Class D Car Amplifier - 3000 Watts, 1 Ohm Stable, Digital, Monoblock, Mosfet Power Supply

  • ...and double the power that is being sent to your subwoofer(s). You now have the ability to connect more subwoofers to take advantage of the extra power.
  • Variable Subsonic Filter - To prevent your subwoofer(s) from bottoming out, the variable subsonic filter filters out frequencies below the subwoofer(s) specified low frequency limits and allows the driver to reach a maximum safe excursion.
  • Variable Low-Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction.
  • Specs - Dimensions: 12.31 x 6.50 x 2.80, Weight: 6.86.
  • Warranty - BOSS Audio Systems provides a powerful 6-year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality.
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Brute Magnetics | 2400 lb Pull Force Huge Rare Earth Neodymium Fishing Magnet | 4.21' Double Sided Powerful Magnet, Eyebolts + Threadlocker | Strong Magnets for Fishing in Lakes or Rivers

  • ...al current. It controls the output voltage & current precisely by removing the output current sensing loss & eliminating all secondary feedback circuitry.
  • Variable Low Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction.
  • Variable Bass Boost - Bass Boost allows you to adjust the low bass within the boost range to just the way you like it.
  • Variable Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier.
  • Low & High Level Inputs - A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers.
  • Specs - Dimensions: 11.5” x 10.44” x 2.25”, Weight 7.8 lbs..
  • Warranty - BOSS Audio Systems provides a Powerful 6 Year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.Com. We strongly encourage professional installation of this product to ensure proper and safe functionality.
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Premium Series 4 PIN Power Microphone for Cobra/Uniden - ProComm PSM4PM

  • CONVERTS AC TO DC: The bench DC power supply features AC-DC converter variable linear / regulated design. Provides reliable AC-to-DC power conversion....
  • DUAL USB PORTS: This workbench variable power converter features two (2) USB charge ports and universal banana plug connection terminals compatible w/....
  • 7 AMP: The simple plug-in operation provides a constant source of DC voltage, allowing for quick and consistent power conversion. Constant amperage is....
  • SHORT-CIRCUIT PROTECTION: This PSU is equipped w/ built-in electronic overload and short circuit protection to ensure the safety of the operator and....
  • CIGARETTE LIGHTER: This desktop bench power supply is equipped w/ cigarette lighter, a power socket adapter to provide power to portable devices.....
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