The KL 300 is a 12V linear amplifier designed for use in the HF frequency range, with a drive power of 1 to 10W in FM/AM mode and 2 to 20W in SSB mode.
| Frequency: | HF |
| Input Power: | 1–10W/2–20W SSB |
| Transmitting power: | 140W AM-FM/250W SSB |
| Operating voltage: | 13V DC ± 1V |
| Input current: | 20 A |
| Fuse: | 2x 12 A |
| Input VSWR: | 1.1-1.5:1 |
| Dimensions: | L 230 W 120 H 40 mm |
| Weight: | 853 gr |