Skip to main content
Pyramid Universal Compact Bench Power Supply- 12 Amp Linear Regulated Home Lab Bench-top AC-to-Dc 12V Converter w/ 13.8V Dc 115V AC 270W Power Input, Screw Type Terminals, Cooling Fan- PS14KX.5
Pyramid

Pyramid Universal Compact Bench Power Supply- 12 Amp Linear Regulated Home Lab Bench-top AC-to-Dc 12V Converter w/ 13.8V Dc 115V AC 270W Power Input, Screw Type Terminals, Cooling Fan- PS14KX.5

Bottom line: The Pyramid Universal Compact Bench Power Supply- 12 Amp Linear Regulated ($65.83 on Amazon as of 2026-10-06): Linear regulated 13.8V DC output, the standard voltage for mobile radio gear; main trade-off: fixed 13.8V output; no adjustable voltage range listed.

$65.83

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Buy on Amazon — $65.83 Compare to similar power supplies

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Linear regulated 13.8V DC output, the standard voltage for mobile radio gear
  • ✓ 12A continuous with 14A surge headroom for transmit peaks
  • ✓ Screw-type terminals accept bare wire leads for quick hardwired setups
  • ✓ Electronic overload and short-circuit protection plus auto-reset fuse
  • ✓ Cabinet heatsink and built-in cooling fan for extended bench sessions

Cons

  • ✗ Fixed 13.8V output; no adjustable voltage range listed
  • ✗ No voltage or current meter listed in the specs
  • ✗ 115V AC 60Hz input only; not suited to 230V regions
  • ✗ 12A continuous may fall short for 100W HF transceivers at full power

Manufacturer description

Need steady 13.8V DC on your workbench or radio desk? The Pyramid PS14KX bench power supply converts 115V AC wall power into a regulated 13.8V DC output. It delivers 12 amps continuous and 14 amps surge from a 270W input. Its linear, regulated design keeps the DC voltage constant, so it suits CB radios, ham radio rigs, scanners and other 12V gear you would otherwise run from a battery. Universal screw-type terminals handle the hookup. You can hardwire leads for component testing, device operation and performance checks without hunting for a matching plug. A power on/off switch turns the…

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored Pyramid Universal Compact Bench Power Supply- 12 Amp Linear… using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Pyramid's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

What voltage and amperage does the Pyramid PS14KX put out?

It outputs 13.8V DC with 12 amps continuous and 14 amps surge, drawing up to 270W from a 115V AC 60Hz outlet.

Can I use this power supply for a CB or ham radio?

Yes. Pyramid lists CB radios, ham radios, scanners and cellular phones as compatible uses. Check that your radio's peak current draw stays within the 12A continuous / 14A surge rating.

Is the output voltage adjustable?

The product listing describes a fixed 13.8V DC output and does not mention a voltage adjustment control. If you need variable voltage, check the manufacturer's listing before buying.

How do I connect my devices to it?

It uses universal screw-type terminals. You strip and clamp your device's DC leads directly to the terminals, which works for hardwired equipment, component testing and device operation.

What protection features does it have?

It has built-in electronic overload and short-circuit protection and a fuse that resets itself. A cabinet heatsink and a cooling fan help prevent overheating. Check the product listing for current warranty terms.

Key Features

  • CONVERTS AC TO DC: The Pyramid Bench power supply features a linear/regulated design. Provides convenient and reliable AC-to-DC Power conversion (12V DC) W/ constant source of DC voltage. Works w/ cellular phones, CB radio, scanner, ham radio, etc
  • SCREW-TYPE TERMINALS: Features universal hardwired Screw-Type connection terminals that ensure compatibility with a wide range of devices, equipment, and components. Used for component and device equipment testing, operation, and performance
  • PLUG-IN OPERATION: The simple plug-in operation provides a constant source of DC voltage, allowing for quick and consistent power conversion. Switch-activated power control eliminates the need for an external battery or additional power source
  • SHORT-CIRCUIT PROTECTION: Equipped with built-in electronic overload & short circuit protection to ensure the safety of the operator & any connected electrical devices. The fuse is also protected with auto reset. Safe for tabletop or desktop placement
  • BUILT-IN COOLING FAN: The power converter features a cabinet Heatsink and a built-in cooling fan to prevent the device from overheating. Constant Amperage is 12a and surge is 14a W/ power output of 13. 8V DC and 115V AC 60Hz 270W power input

Full Specifications

BrandPyramid
ColorBlack
Plug TypeType A
Unit Count1.0 Count
Plug FormatType A
Model NumberPS14KX.5
Power SourceAC adapter
CompatibilitySwitch
Input Voltage115 Volts
Item Type NameComponent
Output Voltage13.8 Volts (DC)
Mfr Part NumberPS14KX.5
Number of Outlets1
Global Trade Identification Number00842893118444

Ready to buy?

Pyramid Universal Compact Bench Power Supply- 12 Amp Linear Regulated Home Lab Bench-top AC-to-Dc 12V Converter w/ 13.8V Dc 115V AC 270W Power Input, Screw Type Terminals, Cooling Fan- PS14KX.5 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $65.83

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Related Power Supplies

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →
Pyramid Universal Compact Bench Power Supply- 12 Amp Linear Regulated Home Lab Bench-top AC-to-Dc 12V Converter w/ 13.8V Dc 115V AC 270W Power Input, Screw Type Terminals, Cooling Fan- PS14KX.5
$65.83
View on Amazon →