Product Price Frequency Response (Hz) Crossover Frequencies (Hz) Slope (dB/Octave) Phase Alignment Impulse Response DSP Algorithm
Danville Signal dspNexus 2x8
US
£2984.91 96 dB per octave time alignment in increments of 5 microseconds IIR and FIR filtering (Audio Weaver)

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.

★ Ideal for

Ideal because it provides IIR and FIR filtering, 96 dB per octave slope and 5 microsecond time-alignment resolution, enabling precise phase and crossover control required for professional studio monitor crossovers.

miniDSP SHD Studio
US
£708.17 48 dB/octave ten-band parametric EQ per channel, FIR/IIR processing with Dirac Live support

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.

★ Ideal for

Ideal for professional studio monitor crossover use because it supports crossovers up to 48 dB/octave, 32-bit/96 kHz processing and Dirac Live room correction for accurate matching and integration.

Trinnov Amethyst
US
£7462.26 Optimizer (Trinnov Optimizer)

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.

★ Ideal for

Ideal because its Trinnov Optimizer provides precise time and frequency correction, 64-bit processing and an intelligent 2-way active crossover suited to professional studio monitor crossover duties.