Audiobahn AEX250X, 20-Band Equalizer Crossover / Line Driver, Incl. Remote control for subwoofers, Var. Lowpass crossover 40Hz - 400Hz, Var. High pass filter 40Hz - 8kHz, Var. Band pass filter high pass 40Hz - 800Hz + lowpass 2 kHz - 7 kHz, Subwoofer Boost 45Hz 0dB - 18dB Phase Shift 0 - 180, Maximum Output: 8 Volts 18dB slope, 20 band equalizer + 3-way crossover AX 306X, digital voltmeter, Var. Input / output level control, mono / stereo switch for SUB OUT, bandpass, highpass, midrange switch, RCA front / rear inputs, low, band, high, full output, Dimensions (LxWxH): 12 x 9 3/4 x 2 1