The 104LN is a high-performance line amplifier for composite or SDI video signals. It includes differential circuitry to help eliminate noise often found on the input cable in a long run. High Bandwidth – 423MHz (-3dB). Differential Circuitr…y – Reduces noise & hum found in long cable runs. Level (Gain) and EQ (Peaking) Controls. Compact Kramer TOOLSÂȘ – 3 units can be rack mounted side-by-side in a 1U rack space with the optional RK-3T rack adapter. Applications: Any system requiring a compact distribution amplifier and line driver. Auditoriums, churches, schools, home theater systems. Rental and staging applications. Product Features:Increase the power of electric signals and enhance performance with this signal amplifierSupports up to 423 MHz frequencyDifferential circuitry – reduces noise & hum found in long cable runs