Metro Audio Systems DSP-206, ψηφιακός επεξεργαστής σήματος 2in / 6 out. Διαθέτει παραμετρικά EQ (11 για κάθε είσοδο και 7 σε κάθε έξοδο), High Pass (low cut) και low pass (high cut) φίλτρα Butterworth, Linkwitz-Riley, και Bessel, gain, delay και limiter για κάθε κανάλι.

Modern Acoustics DSP-306 Digital Audio Processor, 3in / 6 out with 20Hz-20KHz frequency response.

dbx Drive Rack PA2 2in/6out- Ψηφιακός επεξεργαστής σήματος για τη διαχείριση ηχείων.

Modern Acoustics DSP-306 Digital Audio Processor, 3in / 6 out with 20Hz-20KHz frequency response. Features, parametric EQs 15 in each input and 10 in each output, High Pass (low cut) / low pass (high cut) crossover with Butterworth, Linkwitz-Riley and Bessel filters. Each channel has a 1000ms delay, Gain is -60+15dB and also includes limiter & compressor. The DSP-306 supports RS232 and USB port and features wired TCP/IP protocol and Audio Matrix Routing.

Metros new DSP-44 digital audio processor features 4 inputs and 4 outputs. The sampling rate is 48 kHz and the D/A converter has a resolution of 24 bits / 192 kHz. The in/out connectors are from Neutrik. It has a delay with a max delay time of 850msec, EQ types: PEQ, HP, LP, shelv, All pass, band pass, notch filter, compressor, limiter, interface via ethernet (TCP/IP & M-LAN) as well as digital output S/PDIF.