12 Volt

All the amplifiers listed below are for use on a 12V supply.
If you require one for use in a truck, please ensure you either have a large enough voltage dropper or choose one of our 24V amplifiers.
The output power quoted for SSB is maximum PEP Power.
Refurbished Stock
Add to cart
Refurbished Stock - 6 months guarantee

A popular small amplifier from Zetagi, this is very compact and ideal for hiding away mobile.

On/Off switch allows you to bypass the amplifier when no required.

Refurbished Stock
Add to cart
Refurbished Stock - 6 months guarantee

A popular mid range amplifier from Zetagi, this is more or less the same as the B150 but uses mosfet transistors instead of the single MRF transistor.

Output is probably nearer 80W than the 100W maximum listed in the specs.

Add to cart

RM KL35  35W amplifier

A small amplifier for AM/FM only - can not be used on SSB.

Although the amplifier does not have a switch on it, it does have a built-in relay so that you can switch it on/off by putting a switch in the power cable. This allows you to hide the amp away.

Add to cart

A compact amplifier with on/off switch, suitable for use on FM, AM and SSB.

Relay switched, which minimises insertion loss, and can be bypassed using the on/off switch on the front of the amp.

Selectable for AM/FM or SSB.

Add to cart
RM KL 203  80W amplifier

Compact mobile amplifer with on/off switch.

Mosfet amplifier with maximum output of 100W  (typical output 80W).

Add to cart
RM KL 203p  100W with pre-amp

Compact mobile amplifier with switchable pre-amplifier.

Mosfet transistors.

Neither the output nor the pre-amp gain are variable.

Add to cart
RM KL200  100W amplifier
A popular compact amplifier giving a maximum output of 100W on AM/FM and 200W PEP SSB.
Add to cart
RM KL 200p  100W with pre-amp

Compact mobile amplifier with switchable pre-amplifier.

Neither the output nor the pre-amp gain are variable.

Sold Out

A high power broadband amplifier with fixed output power.

The output is a maximum 150W AM/FM and 300W PEP on SSB).

For more details download the instruction manual.

Add to cart

RM KL 405  200W amplifier with pre-amp

A high power broadband amplifier with variable output power and switchable pre-amplifier (not variable), this is a replacement for the KL400 (RM351p).

The features are all the same as the KL400, but the amplifier uses new transistors, has an updated look to it, and the power cable connection is improved on the rear.

The output can be adjusted in 6 stages, from approximately 50W minimum to 200W maximum (AM/FM).

For more details download the instruction manual.

Add to cart

A high power broadband amplifier with variable output power and switchable pre-amplifier (not variable), this is a replacement for the KL500.

The features are all the same as the KL405, but the amplifier uses Mosfet transistors.

The output can be adjusted in 6 stages, from approximately 60W minimum to 250W maximum (AM/FM).

Note: new stock is now in a silver case rather than blue as in picture.

For more details download the instruction manual.

Add to cart
HF Professional Linear Amplifier

A full range HF amplifier with automatic or manual band switching.

Ideal for use with the Yaesu FT817 & FT897 and Icom 703, but suitable for use with any low power HF radio.

  • Microprocessor controlled band switching
  • 6 internal low pass filters
  • LED band indicator
  • Baragraph LED output meter
  • Auto TX/RX switching
  • SSB delay switch
  • High SWR protection
  • Over temperature protection
  • High/Low output level
Add to cart
HF Professional Linear Amplifier

A full range HF amplifier with automatic or manual band switching.

Ideal for use with the Yaesu FT817 & FT897 and Icom 703, but suitable for use with any low power HF radio.

  • Microprocessor controlled band switching
  • 6 internal low pass filters
  • LED band indicator
  • Baragraph LED output meter
  • Auto TX/RX switching
  • SSB delay switch
  • High SWR protection
  • Over temperature protection
  • High/Low output level