Taramp's DSP30001 DSP 3000W 1 Ω Class D Amplifier<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Crossover: Digital filters for DSP</li><li>H.P.F (High Pass Filter): Full to 1KHz， 24dB/Octave Variable</li><li>L.P.F (Low Pass Filter): 50Hz to Full， 24dB/Octave Variable</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41VOUO6iUUL.jpg" noproxy>