DBX 3BX III, 3-Band Dynamic Range Expander Condition:* Used, Tested For Basic Operation Fine. Sold As-Is. As Pictured. * Some Scuff Marks On Top Of Unit. Additional Notes:* Expansion: To 50% increase,maximum 12 dB upwardand 20 dB downward* Impact Restoration: To +12 dB (upwardonly), program-dependent* Frequency Response: +0.5 dB 20 Hz 20 kHz, Any Setting* Dynamic Range: 107 dB* Total Harmonic Distortion (THD), No Expansion: 0.15%* Intermodulation Distortion (IMD) IHF or SMPTE: 0.1% Any Setting* Equivalent Input Noise: -90 dBV* Attack Rates: Program-dependent,optimized for each band* Release Rates: Linear expander program-dependent, optimized;impact restorer adjustable* Maxminum Input and Output: 7 VDBX 3BX III3BX Series 3