RM BLA703 - Radioworld UK
RM BLA703 - Radioworld UK
RM BLA703 AMP - Radioworld UK
RM BLA703 Base station AC powered 500W amplifier for CB Radio - Radioworld UK
RM BLA703 Base station AC powered 500W amplifier - Radioworld UK
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RM BLA703 - Radioworld UK
RM BLA703 AMP - Radioworld UK
RM BLA703 Base station AC powered 500W amplifier for CB Radio - Radioworld UK
RM BLA703 Base station AC powered 500W amplifier - Radioworld UK

RM Amplifiers – Italian Linear Amplifiers for CB & Ham Radio

RM BLA703 500W Base Station Amplifier for CB Radio – “The CB Burner”

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£849.95
(£708.29 exc. VAT)
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Product code: RM-BLA703
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£849.95
12 Months 14.9% APR
£84.99
£73.24
£963.93
£849.95
18 Months 14.9% APR
£84.99
£48.83
£963.93
£849.95
24 Months 14.9% APR
£84.99
£36.62
£963.93
£849.95
36 Months 14.9% APR
£84.99
£24.41
£963.93
£849.95
48 Months 14.9% APR
£84.99
£18.31
£963.93
£849.95
12 Months 19.5% APR
£84.99
£76.18
£999.11
£849.95
18 Months 19.5% APR
£84.99
£50.78
£999.11
£849.95
24 Months 19.5% APR
£84.99
£38.09
£999.11
£849.95
36 Months 19.5% APR
£84.99
£25.39
£999.11
£849.95
48 Months 19.5% APR
£84.99
£19.04
£999.11

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RM BLA703 - Radioworld UK

RM BLA703 500W Base Station Amplifier for CB Radio – “The CB Burner”


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RM BLA703 Base Station AC-Powered 500W Amplifier for CB Radio – "A CB Burner"

The RM BLA703 is a powerhouse base station amplifier designed for serious CB radio operators. With 500W output power, this AC-powered unit covers the 25–30MHz frequency range and is built for high efficiency and reliability.

Key Features

  • Power Output: Up to 500W

  • Input Power Range: 1W to 35W

  • Frequency Range: 25–30MHz

  • Power Supply: Integrated switched-mode AC supply

  • Cooling: Dual large fans with a high-efficiency heatsink

  • Protection: Overdrive, high VSWR, overheating, out-of-band transmission

  • Input Attenuator: Three-stage (LOW, MID, HIGH) for flexible drive control

  • SSB Mode Support: RTX relay delay for smoother voice transmission


Design & Build

  • Form Factor: Base station unit

  • Use Case: Ideal for AM, FM, and SSB modes

  • Durability: Engineered for continuous operation below the saturation point to minimise distortion

This amp is affectionately dubbed "A CB burner" for good reason—it delivers serious punch while maintaining clean, intelligible signal quality. Whether you're chasing DX or powering a local net, the BLA703 is built to perform.

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  • The product is identical to ours in brand, colour, size and model number.
  • The price must be the advertised price clearly on the competitor's online site.
  • The item must be in stock and available for immediate purchase (rather than available to order), with the authorised stockist able to complete delivery within 2-3 days.

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