New ! The New LASE K Series Professional Loudspeaker Bi-Amped Power-Amplifier Module,the Compatible Replacement for QSC K8, K10, K12, KW152, KW153 has same number of unique control features as the original plus locking IEC connection for a remote gain control Specifications : Controls : Power - Gain A; Gain B- Mic/Line. LF Mode - (Ext Sub/Norm/ Ent Sub.). HF Mode - (Vocal/ Boost / Flat.) Front LEDs ( On/Off/Limit). Indicators : Power, Signal A / Signal B / Stand By / Limit / Mic. Cooling : On Demand 50mm Variable speed fan. Amplifier Protection :Thermal Limiting/ Output over current / Over temperature muting. Transducer Protection : Thermal Limiting / Excursion Limiting. Power Output :1000 W continuous Class D (500 W LF,500 W HF) Frequency Response(+o/-0.3dB,1W/8Ω) : 48 Hz - 20 kHz Crossover Frequency : 1.7 Khz THD : 20 Hz - 20 kHz for 1 W 112 dBA Channel separation : (Crosstalk) at 1 kHz >70 dB Input Connectors (per channel) : Balance Female XLR/1/4" Line/Mic.Stereo RCA Line Level Input Output Connector: Dual Balanced male XLR Full range line level out / Balanced Male XLR " Mix Out". Remote Gain Control, locking IECpower connector Class : TD Operating voltage : 220 V / 110 V nominal 190-240 V / 90-130 V selectable