The Boomer Deluxe 400 is a classic mobile linear amplifier (often called a "kicker" or "boots") designed to boost the transmit signal of CB and 10-meter radios. Because these units are typically aftermarket or hobbyist-made, official printed manuals are rare; most "guides" are based on community expertise. Quick Start & Operating Guide

While the unit can be used for SSB, users often debate the cleanliness of the signal due to the lack of a formal biasing circuit. Technical Specifications