500-Series Audio

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XQP 541 Optical Compressors on the bench.

XQP Products

Below is our current line of products:

531A Optical De-esser

Updated version of the 531 optical de-esser

535 Program EQ

Baxandall EQ with very gradual slopes

541 Optical Compressor

Smooth feedback-style opto compression

545 Optical Disrupter

Compression with asymmetrical clipless distortion

570 Mic Preamp

Articulate mic preamp w/ Lundahl input transformer

Colour Kits

XQP-designed modules for the DIYRE Colour 500 Kit