What Yamaha has to say:
The DZR15 is a 2-way bi-amped powered loudspeaker that offers superb clarity at an impressive maximum SPL of 139dB. With best-in-class SPL performance, sophisticated DSP processing, and unrivaled low-frequency sound reproduction, the DZR15 realizes a truly professional sound delivered with a level of power that belies its compact, lightweight design.
2-way powered loudspeaker with a 2” HF and a 15" LF Maximum 139dB SPL and 34Hz-20kHz frequency range is ideal for today's professional audio demands High power 2000W Class-D amplifier module 96kHz DSP and FIR filter for true high-resolution sound with super low latency Features Advanced FIR-X tuning, the combination of FIR filtering and correct EQ for minimizing phase distortion Access a variety of DSP functions and load presets, or make precise adjustments to PEQ, delay and routing etc. via the intuitive LCD display D-Contour and highly reliable protection circuits Floor monitoring setting enables mirroring configuration Lightweight yet very durable plywood cabinet with premium grade Polyurea coating Optional speaker cover (SPCVR-DZR15) Rotatable horn and variety of U-bracket options (UB-DZR) for rigging allow for very flexible setup and speaker placement