Rockford Fosgate Power T40001bd

Bass Tone Controls: 0dB to +18dB @ 35-70Hz * Phase: 0/180 Degrees * Low Level Inputs: 1 RCA pair * Pre-Amp Outputs: Low Level Outputs: 1 RCA pair * Butterworth Filter: Preamp Output Crossover: HP/AP/LP 12db/Octave Butterworth * 1/0 AWG Power Wire Input * 8 AWG to 18 AWG Speaker Wire Input * Cast Aluminum Heat Sink * Fan Cooled * ParaPunch Bass EQ Remote Control * Power On, Thermal Status and Speaker Protection Visual Indicators * Frequency Response: 20Hz to 300Hz +/- 0.5 dB * Dimensions: 2.6 x 12.8 x 33 (in)