A method for high power broadband decoupling for a magnetic resonance scanner comprising a main magnet providing a static magnetic field B 0 of 7 T or greater in a region in which an observed subject, in particular a patient, is placed, and at least one radio frequency coil (26, 28) driven by at least one RF amplifier (32, 44), said method comprising: inducing magnetic resonance in an observed nuclear species by aligning spins of the observed nuclear species in the static magnetic field B 0; and perturbing the spins of the observed nuclear species with a radio frequency pulse centered at the resonant frequency of the observed nuclear species; applying at least two decoupling pulse trains including a plurality of broadband decoupling radio frequency pulses configured to decouple a spectrum of a coupled nuclear species from the observed nuclear species, wherein the pulse trains are derived from a WALTZ sequence, such as WALTZ-16, and enhance a Nuclear Overhauser Effect; introducing pauses between adjacent broadband decoupling radio frequency pulses of the decoupling pulse trains, wherein the pauses are shorter than a coupling time between the observed nuclear species and the coupled nuclear species, such that at least one of decoupling and the Nuclear Overhauser Effect enhancement is not adversely affected, and longer than a phase change loading time of the at least one RF amplifier (32, 44), wherein the pulse trains are amplified by the at least one RF amplifier (32, 44) whose energy storage capacity would be exceeded if the pulse trains were applied without the pauses, wherein the pauses are long enough to provide recovery time to the at least one RF amplifier (32, 44); acquiring magnetic resonance data of the observed nuclear species; and introducing a second type of pause between consecutive decoupling pulse trains of the at least two decoupling pulse trains, wherein a duration of the second type of pause is longer than durations of pauses between adjacent broadband decoupling radio frequency pulses of each one of the at least two decoupling pulse trains. inducing magnetic resonance in an observed nuclear species by aligning spins of the observed nuclear species in the static magnetic field B 0; and perturbing the spins of the observed nuclear species with a radio frequency pulse centered at the resonant frequency of the observed nuclear species; aligning spins of the observed nuclear species in the static magnetic field B 0; and perturbing the spins of the observed nuclear species with a radio frequency pulse centered at the resonant frequency of the observed nuclear species; applying at least two decoupling pulse trains including a plurality of broadband decoupling radio frequency pulses configured to decouple a spectrum of a coupled nuclear species from the observed nuclear species, wherein the pulse trains are derived from a WALTZ sequence, such as WALTZ-16, and enhance a Nuclear Overhauser Effect; wherein the pulse trains are derived from a WALTZ sequence, such as WALTZ-16, and enhance a Nuclear Overhauser Effect; introducing pauses between adjacent broadband decoupling radio frequency pulses of the decoupling pulse trains, wherein the pauses are shorter than a coupling time between the observed nuclear species and the coupled nuclear species, such that at least one of decoupling and the Nuclear Overhauser Effect enhancement is not adversely affected, and longer than a phase change loading time of the at least one RF amplifier (32, 44), wherein the pulse trains are amplified by the at least one RF amplifier (32, 44) whose energy storage capacity would be exceeded if the pulse trains were applied without the pauses, wherein the pauses are long enough to provide recovery time to the at least one RF amplifier (32, 44); wherein the pauses are shorter than a coupling time between the observed nuclear species and the coupled nuclear species, such that at least one of decoupling and the Nuclear Overhauser Effect enhancement is not adversely affected, and longer than a phase change loading time of the at least one RF amplifier (32, 44), wherein the pulse trains are amplified by the at least one RF amplifier (32, 44) whose energy storage capacity would be exceeded if the pulse trains were applied without the pauses, wherein the pauses are long enough to provide recovery time to the at least one RF amplifier (32, 44); acquiring magnetic resonance data of the observed nuclear species; and introducing a second type of pause between consecutive decoupling pulse trains of the at least two decoupling pulse trains, wherein a duration of the second type of pause is longer than durations of pauses between adjacent broadband decoupling radio frequency pulses of each one of the at least two decoupling pulse trains.