2 bi-amplified Event 20 / 20bas monitors, original vintage version, bought in 1997. Served exclusively in the studio, 1 owner, almost like new condition (see photos). I include the user manual in English. Must sell the pair. 20/20basSPECIFICATIONS LF Driver: HF Driver: Frequency Response: Crossover: Acoustical Crossover: LF Amplifier Power: HF Amplifier Power: Input Connector: Polarity: Input Impedance: Input Sensitivity: Input Level Control Range: LF Trim: 8" mineral filled polypropylene cone with 1½" diameter high temperature voice coil, damped rubber surround and magnetic shielding. 1" natural silk dome with ferrofluid voice coil coolant and magnetic shielding 38Hz - 20kHz, ±2dB, Ref 500Hz Active fourth order 2.6kHz 130W continuous 70W continuous Combo XLR - ¼" connector with gold contacts accepts balanced or unbalanced sources Positive signal at + input produces outward cone displacement 40kW balanced, 20kW unbalanced 1.1V input produces full output with Input Level control at maximum 20dB Continuously variable control calibrated in 1dB increments; Max boost/cut settings produces ±3dB @ 100Hz, ±2dB @ 400Hz HF Trim: Subsonic Filter: Protection: Indicators: Power Requirements: Cabinet: Dimensions: Weight: Continuously variable control calibrated in 1dB increments; Max boost/cut settings produces ±3dB above 2.6kHz -3dB @ 30Hz RF interference, output current limiting, over temperature, turn-on/off transient, subsonic filter, resettable mains circuit breaker Combination Power ON / Clip LED indicator Factory programmed for either 120V~ 60Hz, 220-240V~ 50/60Hz or 100V~ 50/60Hz, 200VA; Power via detachable 3 circuit IEC type linecord 5/8" vinyl laminated lock-mitered MDF 10¼" W x 14¾" H x 11¾" D 30 lbs. each