Dangerous Music BAX 500; 500 Series Equaliser; Baxandall high and low shelving EQ with ±5 dB gain per band; detented potentiometers; high cut and low cut filters with 12 dB per octave; DC-coupled signal path without transformers for maximum transparency and clear bass; Relay-controlled hardwired bypass for unadulterated A/B comparisons; Construction: API Series 500 format, requires a 500