"KL 300 P HF linear amplifier front view showing preamp switch and cooling fins"
"KL 300 P HF linear amplifier front view showing preamp switch and cooling fins"
"KL 300 P 12V amplifier with compact metal casing and LED indicators"
"KL 300 P rear panel with power input, antenna connectors, and ventilation slots"
"KL 300 P amplifier with 25dB preamplifier switch highlighted on front panel"
"KL 300 P HF amplifier setup with power cable and coaxial connectors on white surface"
"KL 300 P compact HF amplifier – 140W AM/FM, 250W SSB output rating label visible"
Click the image to enlarge
"KL 300 P HF linear amplifier front view showing preamp switch and cooling fins"
"KL 300 P 12V amplifier with compact metal casing and LED indicators"
"KL 300 P rear panel with power input, antenna connectors, and ventilation slots"
"KL 300 P amplifier with 25dB preamplifier switch highlighted on front panel"
"KL 300 P HF amplifier setup with power cable and coaxial connectors on white surface"
"KL 300 P compact HF amplifier – 140W AM/FM, 250W SSB output rating label visible"

RM Amplifiers – Italian Linear Amplifiers for CB & Ham Radio

KL 300 P HF Linear Amplifier – 140W AM/FM, 250W SSB, 12V

£199.96
(£166.63 exc. VAT)
£229.96
(£191.63 exc. VAT)
Fast uk delivery
Worldwide delivery
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Product code: 23-215
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£229.96
12 Months 14.9% APR
£23.00
£19.82
£260.79
£229.96
18 Months 14.9% APR
£23.00
£13.21
£260.79
£229.96
24 Months 14.9% APR
£23.00
£9.91
£260.79
£229.96
36 Months 14.9% APR
£23.00
£6.61
£260.79
£229.96
48 Months 14.9% APR
£23.00
£4.95
£260.79
£229.96
12 Months 19.5% APR
£23.00
£20.61
£270.31
£229.96
18 Months 19.5% APR
£23.00
£13.74
£270.31
£229.96
24 Months 19.5% APR
£23.00
£10.30
£270.31
£229.96
36 Months 19.5% APR
£23.00
£6.87
£270.31
£229.96
48 Months 19.5% APR
£23.00
£5.15
£270.31

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"KL 300 P HF linear amplifier front view showing preamp switch and cooling fins"

KL 300 P HF Linear Amplifier – 140W AM/FM, 250W SSB, 12V


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KL 300 P 12V HF Linear Amplifier – 140W AM/FM, 250W SSB

The KL 300 P is a compact and powerful 12V linear amplifier designed for the HF frequency range, ideal for amateur radio operators seeking reliable signal enhancement. With a drive power of 1–10W (FM/AM) and 2–20W (SSB), it supports a wide range of transmission setups.

Key Features:

  • Output Power: 140W (AM/FM), 250W (SSB)

  • Drive Power: 1–10W (FM/AM), 2–20W (SSB)

  • Frequency Range: HF

  • Voltage: 12–14 Vcc

  • Max Input Current: 20 A

  • Input VSWR: 1.1 to 1.5:1

  • Preamplifier: 25dB gain with electronic switching

  • Dimensions: 230 × 120 × 40 mm

  • Weight: 864 g

The front panel features a switchable preamplifier for enhanced reception, boosting flexibility and performance. Its low VSWR ensures signal integrity, while the compact form factor makes it ideal for mobile or desktop setups.

Whether you're operating in SSB, AM, or FM, the KL 300 P delivers clean, efficient amplification with user-friendly controls and rugged reliability.

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