Cosmo Valdemar Posted August 29, 2018 Share Posted August 29, 2018 (edited) I used this briefly for experiments in bi-amping. Very simply, the box splits your signal according to where you set the frequency knob, allowing you to send lows and highs to different amps. Excellent condition, some very minor scuffs on the outer casing. Price includes postage to mainland UK. Official stuff: The SX21 is a 24dB/Octave two-way frequency divider intended for small sound reinforcement applications. It has Input, Low and High Output jacks, and Input, Crossover Frequency, Low and High Output controls. Edited December 3, 2018 by Cosmo Valdemar Link to comment Share on other sites More sharing options...
Cosmo Valdemar Posted November 20, 2018 Author Share Posted November 20, 2018 Offers welcome... Link to comment Share on other sites More sharing options...
Cosmo Valdemar Posted December 3, 2018 Author Share Posted December 3, 2018 SOLD Link to comment Share on other sites More sharing options...
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