With high-quality components, the HDJ-1500s deliver perfectly balanced sound across all frequencies. The headphones feature copper-clad aluminum wire voice coils, large 50 mm driver units, rare earth magnets and 38?m-thick diaphragms, guaranteeing accurate reproduction of deep base notes and clear delivery of other low to medium frequencies, such as kicks and snares. Output levels are 1 dB greater than Pioneer's HDJ-1000 headphones, and a lower impedance offers even greater sensitivity, so DJs g