Indoor multiband amplifiers equipped with switching power supply, ideal for the distribution of DTT signals in the E02÷E48 range. With broadband inputs, channel inputs or broadband and channel inputs. Indicated for small, medium or medium/large size TV systems. Made with components with a high quality standard. Separate amplification for VHF and UHF bands. Each input is equipped with one or more coaxial attenuators (0÷20 dB) as level regulators and a switch to enable remote power supply.