Product indtroduction: Professional D2 Series Amplifier  are very powerful two channels amplifier with built-in active crossover.

Product Description

       Professional 2-channel amplifier with built-in active crossover.
       Power stereo 4Ω; 2X450W (1kHz, THD+N)
       Power bridge 8Ω; 900W (1kHz, THD+N)
       Very compact housing, only 2U (88mm) high
       Oversized power supply guarantees a powerful bass reproduction
       Built-in active crossovers no need for separate crossover units to setup an active system.
       Each channel equipped with a 24dBoctave crossover adjustable crossover point (90~250Hz) and 3 operation modes HPF
       (high pass filter) + LPF (low pass filter) + OFF (no filter)
       Two amplifier modes stereo and bridge
       Peak limiters can be switched onoff
       Soft start power supply
       Very efficient cooling
       DC fault protection
       High temperature protection
       Overload and short circuit protections
       Balanced inputs with XLR connectors
       XLR-outputs daisy chaining of several amplifiers
       3 Speakon outputs left + right channels + bridge
       3 models with different output power available

:: Technical Information

       Power stereo 8Ω; 2X300W(1kHz, THD+N
       Power stereo 4Ω; 2X450W (1kHz, THD+N )
       Power bridge 8Ω; 900W (1kHz, THD+N)
       Freq. Resp. (+/-0.5dB) = 20-20.000Hz
       Built-in active crossover ：24dB/oct. crossover 90~250Hz
       Input sensitivity：770mV
       Input impedance ：20kΩ; Balanced, 10kΩ; unbalanced
       S/R ratio ： >90dB
       Damping factor：8Ω;/1kHz >600
       Cooling ：Dual speed fan cooling
       Input Connections ： XLR (bal and unbal)
       Output Connections ： 3 Speakon for Stereo & Bridge Output
       Power Supply：230Vac / 50Hz
       Dimensions(mm)：482 x 473 x 88
       Weigth (kg) ： 17
       THD: Crosstalk @ Rated Output 8Ω;/1kHz = Protection: Soft Start, Short Circuit, Limiter, DC Fault, AC Line Fuse Thermal Cut