用于专业用途的监听音箱，哪些 DSP 分频器（DSP crossovers）是最好的？

The dspNexus 2x8 is an 8-output SHARC-based DSP audio processor with modular AKM DAC options, supplied with Audio Weaver software for designing crossovers, room correction and time alignment. It offers multiple digital and analog inputs, high-resolution upsampling, and expandable ADC/DAC modules for audiophile or OEM integration. It is aimed at experienced users and speaker builders who want a fully active DSP crossover solution.

The SHD Studio is a 2-in, 4-out all-digital high-resolution streaming processor aimed at professional and pro-audio use, offering network streaming, USB audio, AES-EBU/SPDIF I/O and built-in Dirac Live room correction. It provides extensive DSP including per-channel parametric EQ, crossovers up to 48 dB/octave, compressor/limiter and a 2x4 matrix mixer, suitable for active speaker and subwoofer integration workflows.

The Trinnov Amethyst is a high-end stereo preamplifier and processor that combines a 24-bit/192kHz DAC, Trinnov's Optimizer room and speaker correction, and an intelligent 2-way active crossover engine. It targets audiophiles and professional users who need precise time- and frequency-domain correction and flexible active crossover control for bi-amped or subwoofer-equipped stereo systems.