which are FlexMount20 adapter rings

wahlweise in cm oder msec

carefully milled model numbers

As is usual with the large QL and QE stand-alone DSPs

Features:✓ High level input with automatic switch-on✓ Butterworth crossover with 12 dB/octave✓ High pass/low pass 50-250 Hz✓ Full range punch EQ✓ 0-18 dB bass boost (45 Hz)✓ 0-14 dB treble boost (12 kHz)✓ Unobtrusive

HiFonics ZRX12DUAL 8" (20cm) Audio System Italy which are FlexMount20 adapter ringsHiFonics Zeus ZRX Series By far the best selling bandpass series in the world has been given a fresh new look. For more than a decade HiFonics ZEUS bandpass cabinet subwoofers have dominated the SPL scene with incredible bass and powerful levels. Whether in a single or dual enclosure the ZEUS ZRX bandpass systems once again live up to their name. The high performance ZX1254 subwoofer with cast aluminum basket, double magnet and long wound voice coil